Backer IoT Smart User manual

Backer IoT Smart
Temperature Controller
& Immersion Heater
HRDi/HRDc
Operating Manual
Manual Revision 0.6 08.06.2021 *IP/IoT enabled.

HRDc/HRDi Controller -
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
Tel:[phone] Fax:[phone] Email:
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Contents Page
1. INTRODUCING THE
HRDi/HRDc
2. GETTING STARTED
_____________
Network Connection
Network Requirements & Troubleshooting
Initial Configuration: Backer
IoT App
Provisioning Summary
3. SETTINGS&CONFIGURATION
Device Status Dashboard
Hardware Configuration
Controller Settings
Built-in Timer Modes
Ramp Function
Timer Mode
Timed Set Point Mode
LAN Interface Configuration
Hardware displays & Buttons
Mode Setting
General B
utton Actions
Timer Mode
Timer Setpoint Mode
Critical Error States &
Reporting
Network Status LED
Mobile IoT App Error Logging
MODBUS
Devman - Web UI
Dashboard UI
Devman
Device Settings
Scheduling
Sensor Control &
Data Logging
Process Data Modelling Service
Devman Error
Logging
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
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HRDi/HRDc
CONTROLLER ________
___________________________
_____________
_________
__________________________________
4
Network Requirements & Troubleshooting
5
IoT App
5
9
___________________________
___________________
10
10
13
14
15
15
Timed Set Point Mode
16
17
17
17
utton Actions
18
18
19
Reporting
19
20
Mobile IoT App Error Logging
20
21
25
26
Device Settings
28
29
Data Logging
30
Process Data Modelling Service
31
Logging
32
pg. 1
___________________________
2
__________________________________
3
___________________
____ 10

HRDc/HRDi Controller -
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
Tel:[phone] Fax:[phone] Email:
info@heatr
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
1.
Introducing the
The HRDc electronic controller is
a versatile
applications.It is able run/
operate three independent PID controllers, which may be configured
constant temperature control or timed one
industrial field-bus protocols and
secured Internet (IoT
and maintenance.
Once connected to Backer’s secure IoT server
management user interfaces
, including weekly scheduling and energy
visualisation.
Once configured HRDc controller will continue to operate scheduled control
IP connectivity of the HRDi/HRDc allows for a greatly simplified user interface
configuration,
and safety modes available. An Android application is provided for provisioning your device securely so
that only you and your team can access your device.
Digital control includes closed loop PID temperature contr
contactors and has one internal 5A/1KW mechanical
inputs plus an optional thermocouple input are provided in addition to 4
to any controller for completely flexible multi
Relay s
aving algorithms that optimise the accuracy of the controller whilst minimising switching operations. When
connected to the
internet, the unit can also time synchronise to support integrated supervisory control features
including setpoint and activity scheduling.
The HRDi device can be configured to
switch up to 3 internal relays or 3 external Solid State Relays (SSRs) indep
for stepped output power operation. The internal PSU has a wide voltage from 110vac to 440vac so that additional
supply cables are not required for the controller, which can use the element ac power directly.
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
info@heatr
od.com
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
Introducing the
HRDc/HRDiController
a versatile
high performancecontroller with
features for
operate three independent PID controllers, which may be configured
constant temperature control or timed one
-shot heating profiles. The HRDc
is network enabled to accommodate
secured Internet (IoT
) connectivity for unparalleled
process
Once connected to Backer’s secure IoT server
, users are able to access a wide range of
supervisory control and energy
, including weekly scheduling and energy
state-of-
the art thermal modelling and
Once configured HRDc controller will continue to operate scheduled control
.
IP connectivity of the HRDi/HRDc allows for a greatly simplified user interface
(UI)
and safety modes available. An Android application is provided for provisioning your device securely so
that only you and your team can access your device.
Digital control includes closed loop PID temperature contr
ol
of 3 high speed low power SSR outputs to drive external
contactors and has one internal 5A/1KW mechanical
relay for lower power application.
Two PT100
inputs plus an optional thermocouple input are provided in addition to 4
-20mA and 0-10v
inputs, which can be assigned
to any controller for completely flexible multi
-input-multi-output control applications.
aving algorithms that optimise the accuracy of the controller whilst minimising switching operations. When
internet, the unit can also time synchronise to support integrated supervisory control features
including setpoint and activity scheduling.
switch up to 3 internal relays or 3 external Solid State Relays (SSRs) indep
for stepped output power operation. The internal PSU has a wide voltage from 110vac to 440vac so that additional
supply cables are not required for the controller, which can use the element ac power directly.
pg. 2
features for
industrial heating
operate three independent PID controllers, which may be configured
individually for precise
is network enabled to accommodate
process
monitoring, configuration,
supervisory control and energy
the art thermal modelling and
to the powerful control,
and safety modes available. An Android application is provided for provisioning your device securely so
of 3 high speed low power SSR outputs to drive external
Two PT100
temperature sensor
inputs, which can be assigned
aving algorithms that optimise the accuracy of the controller whilst minimising switching operations. When
internet, the unit can also time synchronise to support integrated supervisory control features
switch up to 3 internal relays or 3 external Solid State Relays (SSRs) indep
endently
for stepped output power operation. The internal PSU has a wide voltage from 110vac to 440vac so that additional
supply cables are not required for the controller, which can use the element ac power directly.

HRDc/HRDi Controller -
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
Tel:[phone] Fax:[phone] Email:
info@heatr
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
2. Getting Started
The HRDc and HRDi controllers
default to manual control mode when first powered on. T
controller’s
capability the devices should be connected to a network
accessible from mobile UI devices or the I
be accessed.
If you do not have network access initially the devices can be configured to provide basic constant temperature PID
control using the front panel buttons:

The HRDc defaults to using the first PT100 input
for duty control.

Once setup the first time the unit is powered it will go through a self
is fully operatio
nal. After 10 seconds the display should
measured temperature in the top display.
Figure 1: Front panel of the HRDc
 The network light will blink
initially because the device has not been provisioned.
enabled network the LED
will blink green
IP network connectivity
available,
basic constant temperature control

To set a desired temperature u
displayed on the lower display marked SV.
control LED switch to red to indicate the relay is closed and heating is active.
relay switching cycle time to avoid rapid relay ware. The opera
connected UIs.

Your HRD should now be controlling your process

There are further control modes available for the HRD, which can be accessed using the Mode button on the
HRDc or using a long press on the s
displayed is “X.” where X can be a mode number from 0 to
o
“0.” is disabled. The controller will retain
or outputs.
o “1
.” is the Manual mode the HRD defaulted to when powered on and after a fact
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
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od.com
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
default to manual control mode when first powered on. T
o
get the maximum use of the
capability the devices should be connected to a network
so that
they can be securely provisioned to be
accessible from mobile UI devices or the I
nternet-based Devman server. This UI allows
all configuration of the device to
If you do not have network access initially the devices can be configured to provide basic constant temperature PID
The HRDc defaults to using the first PT100 input
as the temperature sensor and the mechanical relay output
Once setup the first time the unit is powered it will go through a self
-
check routine to check internal
nal. After 10 seconds the display should
settle to show 0.0 for the S.V. and the currently
measured temperature in the top display.
initially because the device has not been provisioned.
If connected to an Interne
will blink green
. If the network is a private LAN the LED will blink yellow. If there is no
available,
the LED will bl
ink red. In any of these states the devi
basic constant temperature control
using the front panel buttons
as described below.
To set a desired temperature u
se the up/down buttons to change the desired setpoint value, which will be
displayed on the lower display marked SV.
Press the SET bu
tton to apply the SV and you should shortly see the
control LED switch to red to indicate the relay is closed and heating is active.
HRD devices default to a 5 minute
relay switching cycle time to avoid rapid relay ware. The opera
tion speed can be increase
Your HRD should now be controlling your process
es temperature using PID control.
There are further control modes available for the HRD, which can be accessed using the Mode button on the
HRDc or using a long press on the s
et button for the HRDi range of controllers. On
c
displayed is “X.” where X can be a mode number from 0 to
4:
“0.” is disabled. The controller will retain
itssettings,
but no output duty will be applied to any relays
.” is the Manual mode the HRD defaulted to when powered on and after a fact
pg. 3
get the maximum use of the
they can be securely provisioned to be
all configuration of the device to
If you do not have network access initially the devices can be configured to provide basic constant temperature PID
as the temperature sensor and the mechanical relay output
check routine to check internal
hardware
settle to show 0.0 for the S.V. and the currently
If connected to an Interne
t
. If the network is a private LAN the LED will blink yellow. If there is no
ink red. In any of these states the devi
ce can be configured for
as described below.
se the up/down buttons to change the desired setpoint value, which will be
tton to apply the SV and you should shortly see the
HRD devices default to a 5 minute
tion speed can be increase
d later via theIP
There are further control modes available for the HRD, which can be accessed using the Mode button on the
c
e pressed the mode will be
but no output duty will be applied to any relays
.” is the Manual mode the HRD defaulted to when powered on and after a fact
ory reset.

HRDc/HRDi Controller -
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
Tel:[phone] Fax:[phone] Email:
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o “2.” is
scheduled mode where the controller’s setpoint values
the Devman user portal.
o “3” is
“timer” mode, which assert
pressed on the front pan
o
“4” is a Timer setpoint mode where the duration of heating is triggered when the
temperature reaches to required SV
*More details of timed heating modes are in the
Network Connection
To access all but the most basic features of the controller an Ethernet connection is
HRDi/HRDc
device will connect to any standard Ethernet router (or via a switch) and will attempt
standard DHCP services (see figure 2b). Temporary or independent access to a the
also be achieved using an inexpensive
Wi
configured as a router and access point. It is not
router, however
HRD devices need to confirm thetime with a network time service hosted on the Devman server to use
any of the scheduling mode (mode #2).
Figure 2a Left:
Temporary commissioning or dedicated mini
Figure 2b Right:
Normal Industrial LAN connection
The HRD devices include a network connectivity indicator showing status of the connection:
● Red –
there is no IP connection available to a
connection or the devic
e has not been provided with an IP address
configuration.
● Yellow –
There is local network connectivity but a route to the Devman device manag
available. In this state devices can still be provisioned using the Android mobile application on a private local
network.
● Green –
There is full outbound Internet connectivity for the device.
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
info@heatr
od.com
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
scheduled mode where the controller’s setpoint values
will follow a weekly schedule defined in
the Devman user portal.
“timer” mode, which assert
s a setpoint for a limi
ted period of time e
pressed on the front pan
el or the 0-10V input is set to 4V or more*.
“4” is a Timer setpoint mode where the duration of heating is triggered when the
temperature reaches to required SV
.
Heating duty will stop after the prescribed duration*.
*More details of timed heating modes are in the
Settings & Functions section of
this manual.
To access all but the most basic features of the controller an Ethernet connection is
required for
device will connect to any standard Ethernet router (or via a switch) and will attempt
standard DHCP services (see figure 2b). Temporary or independent access to a the
HRDi/HRDc
Wi
-Fi extender (see figure 2b) such as the
Netgear EX2700
configured as a router and access point. It is not
mandatory to have internet access if this is not available from the
HRD devices need to confirm thetime with a network time service hosted on the Devman server to use
Temporary commissioning or dedicated mini
-LAN connection method
Normal Industrial LAN connection
The HRD devices include a network connectivity indicator showing status of the connection:
there is no IP connection available to a
local router. This state is reached if there is no Ethernet
e has not been provided with an IP address
and gateway
via DHCP
There is local network connectivity but a route to the Devman device manag
available. In this state devices can still be provisioned using the Android mobile application on a private local
There is full outbound Internet connectivity for the device.
pg. 4
will follow a weekly schedule defined in
ted period of time e
ach time the set button is
“4” is a Timer setpoint mode where the duration of heating is triggered when the
measured
Heating duty will stop after the prescribed duration*.
this manual.
required for
HRD devices. The
device will connect to any standard Ethernet router (or via a switch) and will attempt
to self-configure using
HRDi/HRDc
from a mobile device can
Netgear EX2700
, which can be
mandatory to have internet access if this is not available from the
HRD devices need to confirm thetime with a network time service hosted on the Devman server to use
local router. This state is reached if there is no Ethernet
via DHCP
or manual
There is local network connectivity but a route to the Devman device manag
ement server is not
available. In this state devices can still be provisioned using the Android mobile application on a private local

HRDc/HRDi Controller -
Operating Manual
Heatrod Elements Ltd. Unit 10 Top Deck, Smethurst lane, Farnworth, Bolton BL4 0AN
Tel:[phone] Fax:[phone] Email:
info@heatr
Printed copies valid on day of print only. Check quality document register QM00 to ensure latest version prior to use
Network
Requirements & T
The HRD devices
communicate with the Devman server using
authentication and encryption
is used to protect your device and data
times from initial bootof the HRD
product so that you can benefit from logged data from the
Devman user portal to check up on your device, process and system performance
HRD devices use port 8883 to connect (outbound) to the Backer Devman server. Devices will also
mobile application connection requests. This access level can be disabled after provisioning or left e
subsequent authenticated LAN-
only mobile app access. Th
on the local network
from an authenticated mobile device.
HRD products
also allow local network access from the
powered on from factory reset state,
accounts. Accounts can be created
using
the mobile device can be connected to the LAN on which the HRD is connected
no Internet connectivity available on the LAN.
Assuming you are expecting
some level of network connectivity for your device and you encounter problems, the
network status LED should provide the following guidance for
 If the network light is red:
You should first check the RJ45 connection status LEDs normally found on Ethernet
switch sockets a
nd also on the HRDc Ethernet socket. If there is no sign of activity on these LEDs
likely there is a cable
issue to resolve
IN this case you may
initially need to connect you HRD to a network
Ethernet router as described above)
configuration screen provided.
 If the network light is yellow
: this may be
cloud Devma
n server and the LAN has no Internet connectivity. If connectivity is expect
that the
connection is being blocked by firewall rules (see port information above).
The next section describes
the simple provisioning process that bands devices to user accounts and identifies them for
later access in Devman or in the B
acker App.
Initial Configur
ation: Backer IoT App
Once an IP connection to the
HRDi/HRDc
application to provision and configure your device:
●
Download & install the Backer IoT device
following URL from your mobile device’s web browser:
○
https://iotbacker.com
○
You may be asked for
device.
●
Start the IoT application (Backer logo branded) and create a new user using the
an existing account if you already have one). Once you
or other Backer devices available on the local network
Operating Manual
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Requirements & T
rouble Shooting
communicate with the Devman server using
secured
MQTT messaging
is used to protect your device and data
. This mode of communication is secure at all
product so that you can benefit from logged data from the
Devman user portal to check up on your device, process and system performance
.
HRD devices use port 8883 to connect (outbound) to the Backer Devman server. Devices will also
mobile application connection requests. This access level can be disabled after provisioning or left e
only mobile app access. Th
is allows all the features of the HRD to be accessed
from an authenticated mobile device.
also allow local network access from the
Backer IoT mobile application,
for a limited period after they are
,
so that installers can securely “provision” d
evices and bond them to their
using
the Backer IoT app when
there is Internet connectivity available, after which
the mobile device can be connected to the LAN on which the HRD is connected
to provision the device even if
no Internet connectivity available on the LAN.
some level of network connectivity for your device and you encounter problems, the
network status LED should provide the following guidance for
diagnosing the issue:
You should first check the RJ45 connection status LEDs normally found on Ethernet
nd also on the HRDc Ethernet socket. If there is no sign of activity on these LEDs
issue to resolve
. Thered flashing status may also occur if
the LAN does not support DHCP
initially need to connect you HRD to a network
that does
support DHCP
Ethernet router as described above)
so that you can provision the device and
: this may be
normal if you are not intending for the HRD unit to connect to the
n server and the LAN has no Internet connectivity. If connectivity is expect
connection is being blocked by firewall rules (see port information above).
the simple provisioning process that bands devices to user accounts and identifies them for
acker App.
ation: Backer IoT App
HRDi/HRDc
has been established,
you can access it using the Backer IoT mobile
application to provision and configure your device:
Download & install the Backer IoT device
application for any Android phone or tablet by accessing the
following URL from your mobile device’s web browser:
https://iotbacker.com
/media/hr-iot-app.apk
You may be asked for
agreement to allow
your device’s file manager to install
Start the IoT application (Backer logo branded) and create a new user using the
‘
register
an existing account if you already have one). Once you
have signed in you will be able to see your
or other Backer devices available on the local network
.
pg. 5
MQTT messaging
. Industry standard TLS1.2
. This mode of communication is secure at all
product so that you can benefit from logged data from the
moment you access the
HRD devices use port 8883 to connect (outbound) to the Backer Devman server. Devices will also
listen port 80 for
mobile application connection requests. This access level can be disabled after provisioning or left e
nabled for
is allows all the features of the HRD to be accessed
directly
for a limited period after they are
evices and bond them to their
there is Internet connectivity available, after which
to provision the device even if
there is
some level of network connectivity for your device and you encounter problems, the
You should first check the RJ45 connection status LEDs normally found on Ethernet
nd also on the HRDc Ethernet socket. If there is no sign of activity on these LEDs
, it is most
the LAN does not support DHCP
.
support DHCP
(e.g. a WiFI +
so that you can provision the device and
set it’sIP address in the
normal if you are not intending for the HRD unit to connect to the
n server and the LAN has no Internet connectivity. If connectivity is expect
ed then it is possible
the simple provisioning process that bands devices to user accounts and identifies them for
you can access it using the Backer IoT mobile
application for any Android phone or tablet by accessing the
your device’s file manager to install
applications on your
register
’ option (or sign in with
have signed in you will be able to see your
HRDi/HRDc

HRDc/HRDi Controller -
Operating Manual
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Figure 3a
: Signing up and logging into your
Figure 3b
: Signing up and logging into your account
Devices will be identified on the
LAN by the mobile application once you are signed
account to provision some devices
you will see these marked with green ticks indicating you can
immediately and view and modify settings.
provisioning as an additional level of security).
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: Signing up and logging into your
account
: Signing up and logging into your account
LAN by the mobile application once you are signed
in. If you have already used your
you will see these marked with green ticks indicating you can
immediately and view and modify settings.
(to make modificat
ions you will need the PIN number you used when
provisioning as an additional level of security).
pg. 6
in. If you have already used your
you will see these marked with green ticks indicating you can
connect to them
ions you will need the PIN number you used when

HRDc/HRDi Controller -
Operating Manual
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If you have devices that you have previously provisioned
be on a different LAN than the device o
r the device is offline.
If you see a device with a red no-
entry icon next to it that means the device has been provisioned by another user who
is not part of your organisation
. It is only possible for two accounts to be able to access the
Administrator has enabled this,
by adding relevant accounts to the same organization
Devices marked
with a yellow triangle indicate devi
an account. Devices should not be left on networks in this state to avoid potential access by
identified the device’s PIN number required to provision a device.
Further information for devices listed can be seen
Figure 4: Device information
Initially your device will be “
unprovisioned
provisioned to secure access its user interfaces via IP. Provisioning will also bind the
account. Provisioning requires the following:
o The HRDi/HRDc device’s 5 digi
t PIN (this is printed on to a label on the inside of the enclosure)
o Your Devman
account password
Operating Manual
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If you have devices that you have previously provisioned
, but that
are shown with a red tick
r the device is offline.
entry icon next to it that means the device has been provisioned by another user who
. It is only possible for two accounts to be able to access the
by adding relevant accounts to the same organization
in Devman
with a yellow triangle indicate devi
c
es that have not been provisioned and are available to be bound to
an account. Devices should not be left on networks in this state to avoid potential access by
third
identified the device’s PIN number required to provision a device.
Further information for devices listed can be seen
by selecting
a device and then the 3 dots in the top right of the app.
unprovisioned
”
and is listed with a yellow warning triangle. Your device must be
provisioned to secure access its user interfaces via IP. Provisioning will also bind the
HRDi/HRDc
account. Provisioning requires the following:
t PIN (this is printed on to a label on the inside of the enclosure)
account password
pg. 7
are shown with a red tick
, this means you may now
entry icon next to it that means the device has been provisioned by another user who
. It is only possible for two accounts to be able to access the
same device if an
in Devman
.
es that have not been provisioned and are available to be bound to
third
parties who may have
a device and then the 3 dots in the top right of the app.
and is listed with a yellow warning triangle. Your device must be
HRDi/HRDc
to you Devman
t PIN (this is printed on to a label on the inside of the enclosure)

HRDc/HRDi Controller -
Operating Manual
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o
It is often useful initially to know the
that may be connected to your LAN (This is
o Note:
You must have logged into the Backer IoT Mobile application while your mobile had internal access
within the last 5 days to ensure you have a valid provisioning certificate at the time of provision
Figure 5. Provisioning your HRDi/HRDc
to provisioning to allow validation of initial installation.
●
Once your PIN and password has been accepted you can give the device a memorable name and location to
identify your devices more easily in the future which is also reflected in the
●
Once provisioned you will be presented with the dashboar
type allows. Self-
registered users that do not share devices within an organisation
to the device’s configuration pages.
○
Demonstrator devices should not require any changes to
●
All subsequent connections to the device will go directly to the dashboard page after successful provisioning.
○
To allow other users to access devices you have provisioned with a personal account
conta
ct the support team to convert your account to a team member account.
Operating Manual
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It is often useful initially to know the
HRDi/HRDc
’s device ID to identify it amongst any other Backer IoT devices
that may be connected to your LAN (This is
9 digit number provided on your device’s paper work)
You must have logged into the Backer IoT Mobile application while your mobile had internal access
within the last 5 days to ensure you have a valid provisioning certificate at the time of provision
device
. A mini dashboard to monitor temperature and duty is provided prior
to provisioning to allow validation of initial installation.
Once your PIN and password has been accepted you can give the device a memorable name and location to
identify your devices more easily in the future which is also reflected in the
Devman
Once provisioned you will be presented with the dashboar
d screen and access to settings that your account
registered users that do not share devices within an organisation
,
default to having full access
to the device’s configuration pages.
Demonstrator devices should not require any changes to
the preconfigured hardware settings.
All subsequent connections to the device will go directly to the dashboard page after successful provisioning.
To allow other users to access devices you have provisioned with a personal account
ct the support team to convert your account to a team member account.
pg. 8
’s device ID to identify it amongst any other Backer IoT devices
9 digit number provided on your device’s paper work)
You must have logged into the Backer IoT Mobile application while your mobile had internal access
within the last 5 days to ensure you have a valid provisioning certificate at the time of provision
ing a device.
. A mini dashboard to monitor temperature and duty is provided prior
Once your PIN and password has been accepted you can give the device a memorable name and location to
Devman
web portal.
d screen and access to settings that your account
default to having full access
the preconfigured hardware settings.
All subsequent connections to the device will go directly to the dashboard page after successful provisioning.
To allow other users to access devices you have provisioned with a personal account
, you will need to
ct the support team to convert your account to a team member account.

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Figure 6:
Provisioned Device dashboard
Provisioning Summary
●
Provisioning allows local network access to the device’s User Interface (UI). It can be carried out using the LAN
or by direct Ethernet cable connection to a PC or
●
Provisioning also binds the device to the specific user’
is available for the HRDi/HRDc device. This allows others with a team account in the same organisational group
(and with sufficient account privileges) to also view and manage the device remotely.
● Device
s can only be unprovisioned by physical access to the device or via privileged Devman accounts. Once
unprovisioned the device is factory reset to a safe operating mode and all user settings are deleted.
●
Devices will close down the local connectivity option
force attacks or spurious network behaviour. Physical access is required to reset the provisioning process.
●
Provisioning certificates are time
Mobile applications) using multi
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Provisioned Device dashboard
Provisioning allows local network access to the device’s User Interface (UI). It can be carried out using the LAN
or by direct Ethernet cable connection to a PC or
Wi-Fi
dongle & Mobile application.
Provisioning also binds the device to the specific user’
s Organisation on Devman when an internet connection
is available for the HRDi/HRDc device. This allows others with a team account in the same organisational group
(and with sufficient account privileges) to also view and manage the device remotely.
s can only be unprovisioned by physical access to the device or via privileged Devman accounts. Once
unprovisioned the device is factory reset to a safe operating mode and all user settings are deleted.
Devices will close down the local connectivity option
if too many false passwords are provided to avoid brute
force attacks or spurious network behaviour. Physical access is required to reset the provisioning process.
Provisioning certificates are time
-
limited (typically for 5 days) and are validated by HRDi
Mobile applications) using multi
-factor user and device-specific credentials.
pg. 9
Provisioning allows local network access to the device’s User Interface (UI). It can be carried out using the LAN
dongle & Mobile application.
s Organisation on Devman when an internet connection
is available for the HRDi/HRDc device. This allows others with a team account in the same organisational group
(and with sufficient account privileges) to also view and manage the device remotely.
s can only be unprovisioned by physical access to the device or via privileged Devman accounts. Once
unprovisioned the device is factory reset to a safe operating mode and all user settings are deleted.
if too many false passwords are provided to avoid brute
force attacks or spurious network behaviour. Physical access is required to reset the provisioning process.
limited (typically for 5 days) and are validated by HRDi
/HRDc devices (and

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3.
Settings & Configuration
Th
is section will introduce the features and functions of the HRD device via the Backer IoT app Interface. The device
settings and dashboards are
also available on the cloud
browser.
Devman will be covered in a later section, but will assume familiarity with the HRDs features and functions
from reading this section and us
ing the Backer IoT app first.
Before using your HRD you may need to change the hardware settings if you are using your device with multiple
outputs, SSRs, or different sensor connections.
checking devices via the local network. The Hardware and Network settings
frequently, but will be dealt with first as correct setup is necessary depending on the installation you are using. The
controller settings
will be dealt with finally to
configure and optimise the HRD’s controllers
Device Status Dashboard
HRD products have 3 independent PID controllers that can be configured for different
dashboard shows the sens
or values for the first two PID controllers for quick monitoring purposes.
The section at the bottom of the
dashboard
status and network status.
It is also possible to provision devices to show only the min
this is preferred.To make changes
to the device’s configuration and see more detailed device information the setting
tab must be selected.
Hardware Configuration
HRDi/HRDc
devices are supplied with a preset hardware configuration appropriate for
configuration (e.g. 3 wire/4wire 440/340v elements etc.). For re
includes further details.
The hardware configuration tab is largely concerned with
systems and also setting limits on the hardware
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Settings & Configuration
is section will introduce the features and functions of the HRD device via the Backer IoT app Interface. The device
also available on the cloud
-based Devman serverthat
can be accessed remotely
Devman will be covered in a later section, but will assume familiarity with the HRDs features and functions
ing the Backer IoT app first.
Before using your HRD you may need to change the hardware settings if you are using your device with multiple
outputs, SSRs, or different sensor connections.
This section will overview the dashboard which will frequently be u
checking devices via the local network. The Hardware and Network settings
tabs of the apps will be used less
frequently, but will be dealt with first as correct setup is necessary depending on the installation you are using. The
will be dealt with finally to
show how different logical and quantitat
ive parameters can be used
configure and optimise the HRD’s controllers
.
Device Status Dashboard
HRD products have 3 independent PID controllers that can be configured for different
sensors and output options. The
or values for the first two PID controllers for quick monitoring purposes.
dashboard
provides information on the Rea
l Time Clock status, error and warning
It is also possible to provision devices to show only the min
imum
to the device’s configuration and see more detailed device information the setting
devices are supplied with a preset hardware configuration appropriate for
configuration (e.g. 3 wire/4wire 440/340v elements etc.). For re
-
configured devices the advanced settings section
The hardware configuration tab is largely concerned with
configuring
systems and also setting limits on the hardware
to avoid excessive relay operations for example.
pg. 10
is section will introduce the features and functions of the HRD device via the Backer IoT app Interface. The device
can be accessed remotely
via a web
Devman will be covered in a later section, but will assume familiarity with the HRDs features and functions
Before using your HRD you may need to change the hardware settings if you are using your device with multiple
This section will overview the dashboard which will frequently be u
sed if
tabs of the apps will be used less
frequently, but will be dealt with first as correct setup is necessary depending on the installation you are using. The
ive parameters can be used
sensors and output options. The
or values for the first two PID controllers for quick monitoring purposes.
l Time Clock status, error and warning
imum
dashboard information if
to the device’s configuration and see more detailed device information the setting
s
devices are supplied with a preset hardware configuration appropriate for
its internal element
configured devices the advanced settings section
configuring
the HRD’s safety check
to avoid excessive relay operations for example.

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Figure 7: HardwareConfiguration
To change hardware s
ettings the app user requires the devi
entered the UI will work without re-
entering the PIN for up to 1 hour if the UI is kept open.
Figure 8: Hardware Configuration
Once a pin is entered the “Enter PIN” button will change to say “Save”.
The controller
hardware settings include:
●
Setting a Local name for the device that will be seen on the LAN and connected IoT app UIs. It is also reported
to Devman so that the device
ca
●
Reset allows the device to be rebooted in different modes:
○ Restart –
simply restarts the device, but does not clear any critical error conditions.
○ Clear Errors and Rese
t
during restart.
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ettings the app user requires the devi
c
e’s PIN number as an additional security measure.Once
entering the PIN for up to 1 hour if the UI is kept open.
Once a pin is entered the “Enter PIN” button will change to say “Save”.
hardware settings include:
Setting a Local name for the device that will be seen on the LAN and connected IoT app UIs. It is also reported
ca
n be easily identified later and to remote admini
strators.
Reset allows the device to be rebooted in different modes:
simply restarts the device, but does not clear any critical error conditions.
t
– clears any errors and
restarts the device which will recheck for critical errors
pg. 11
e’s PIN number as an additional security measure.Once
Setting a Local name for the device that will be seen on the LAN and connected IoT app UIs. It is also reported
strators.
simply restarts the device, but does not clear any critical error conditions.
restarts the device which will recheck for critical errors

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○ Factory Reset –
which will remove all configuration the user has provided and will also deprovision
the device so that it is again available to be provisioned by other users.
● Safety Mode selection
○ Enable EN60335-
1 & EN60730
operation.
These tests require the correct power, element and Thermal cutout configurations to be in
place to operate. Even without this mode
many related to EN60335
○
Enable Additional Checks
○
Disable Slow Start Checks
Watchdog timer
reset tests, which are not required for SIL
○ Disable all Hardware
C
■ Periodic self-
checks
■ GPIO/Re
lay output checks.
■
Watchdog timer reset tests
■
Stack corruption tests
■
This option is suitable when high speed control is required, which may other
interr
upted for up to
●
Power connection (HRD variants only) configure the relay checks to expect specific voltages on each of the
three internal mecha
nical control relays
●
Global PID upper limit is in fact a software
any controller’s sensor which
prevents any controller applying heating duty. This value is useful in applications
such as multi-
element tank heating where
the bottom of the tank, where independent heating control is required, but can lead to unsafe temperatures at
the top of the tank.
●
Switching Speed is a hardware saving feature to limit the operation count
accu
mulate under certain circumstances.
between:
○
Mechanical Relay (EMR) mode
to 20 minutes.
○ Solid Stat
e Relay (SSR) mode
all controllers.
This mode should not be set if the external Relays (driven by the low power SSRs) are
mechanical
. Switching speeds between 100m
● EMR Mode switching speed
considerations
○ The default
of 5 minutes provides
of a 12
kW@415v or 9kW@230v could result in little over 1 year life
mechanical relays
(typically upper limit electrical life of control relays is 100,000 operations @ 10
amps).
○
Worst case switching scenarios are typically only approached when constant t
accurately maintained
usage the duty periods are
and life expectancy
of the relays dramatically increases to 10+ years with
settings.
○
Users should refer to the relays electrical operation endurance specifications to make an assessment
of this.
● SSR Mode switching speed
considerations
○
All power contactors must be solid state types.
○
EMC emissions should be
high frequency harmonics.
○
Element thermal stresses can be improved with faster PWM
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which will remove all configuration the user has provided and will also deprovision
the device so that it is again available to be provisioned by other users.
1 & EN60730
-1 -
enables relay status checks on each boot and continuously during
These tests require the correct power, element and Thermal cutout configurations to be in
place to operate. Even without this mode
all EN60730-1
software safety features are maintained and
many related to EN60335
-
1, where these do not depend on specific power connection configurations.
Enable Additional Checks
- currently does not run any additional self-
checks
Disable Slow Start Checks
–
This disables boot checks that are not required on each boot such as
reset tests, which are not required for SIL
-
level 2 safety checks.
C
hecks - disables the “Slow Start Checks” aboveand
also
checks
such as RAM and ROM integrity tests
lay output checks.
Watchdog timer reset tests
Stack corruption tests
This option is suitable when high speed control is required, which may other
upted for up to
0.5 seconds when periodic self-checks
occur during normal operation.
Power connection (HRD variants only) configure the relay checks to expect specific voltages on each of the
nical control relays
.
Global PID upper limit is in fact a software
limit that applies across all controllers. It provides an upper limit for
prevents any controller applying heating duty. This value is useful in applications
element tank heating where
temperatures at the top of
the tank can be significantly diffe
the bottom of the tank, where independent heating control is required, but can lead to unsafe temperatures at
Switching Speed is a hardware saving feature to limit the operation count
that
mulate under certain circumstances.
There are two general modes that all controllers can be switched
Mechanical Relay (EMR) mode
– uses the slower range of switching
speeds
e Relay (SSR) mode
– can only be set/applied
when only external outputs are configured for
This mode should not be set if the external Relays (driven by the low power SSRs) are
. Switching speeds between 100m
s and 10s can be selec
ted for SSR
considerations
of 5 minutes provides
a limit of 288 operations per day, which in
kW@415v or 9kW@230v could result in little over 1 year life
expectancy
(typically upper limit electrical life of control relays is 100,000 operations @ 10
Worst case switching scenarios are typically only approached when constant t
accurately maintained
on systems with little usage. For systems with varying setpoints or frequent
usage the duty periods are
typically
100% and no switching occurs for the vas
of the relays dramatically increases to 10+ years with
Users should refer to the relays electrical operation endurance specifications to make an assessment
considerations
:
All power contactors must be solid state types.
EMC emissions should be
adequately dealt with and zero-
crossing SSRs or
high frequency harmonics.
Element thermal stresses can be improved with faster PWM
frequencies.
pg. 12
which will remove all configuration the user has provided and will also deprovision
enables relay status checks on each boot and continuously during
These tests require the correct power, element and Thermal cutout configurations to be in
software safety features are maintained and
1, where these do not depend on specific power connection configurations.
checks
.
This disables boot checks that are not required on each boot such as
level 2 safety checks.
also
disables
This option is suitable when high speed control is required, which may other
wise be
occur during normal operation.
Power connection (HRD variants only) configure the relay checks to expect specific voltages on each of the
limit that applies across all controllers. It provides an upper limit for
prevents any controller applying heating duty. This value is useful in applications
the tank can be significantly diffe
rent to
the bottom of the tank, where independent heating control is required, but can lead to unsafe temperatures at
that
mechanical relays can
There are two general modes that all controllers can be switched
speeds
available from 10 seconds
when only external outputs are configured for
This mode should not be set if the external Relays (driven by the low power SSRs) are
ted for SSR
“PWM” output.
a limit of 288 operations per day, which in
the worst-case scenario
expectancy
of internal or external
(typically upper limit electrical life of control relays is 100,000 operations @ 10
-15
Worst case switching scenarios are typically only approached when constant t
emperatures are
on systems with little usage. For systems with varying setpoints or frequent
100% and no switching occurs for the vas
t majority of the time
of the relays dramatically increases to 10+ years with
appropriate control period
Users should refer to the relays electrical operation endurance specifications to make an assessment
crossing SSRs or
TRIACs used to minimise

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○
Faster heating responses can be achieved with faster PWM speeds (e.g. for low thermal ca
processes or flow heating applications).
Controller parameters that will typically be adjusted by users can be found on the Controller Settings screen
below.
Controller Settings
Figure 9: Main dashboard page
The settings t
ab of the app shows all three PID controllers sensor temperatures and device information.
●
The three controller’s parameters are shown depending on the
○
If changes have been made to one controller t
controller’s settings. The
these will be discarded
●
Each controller can be configured to use any of th
○
Sensors can be used on more than one controller
○ 0-10V and 4-
20mA input ranges are mapped to 0
calibration fields described later.
● Mode can select between
○ Disabled –
no PID control duty is applied under any circumstances (but auxiliary scheduling is still
enabled)
○ Manual Set Value –
constant setpoint is used for the controller
○ Scheduled Set Value
–
cycle.
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Faster heating responses can be achieved with faster PWM speeds (e.g. for low thermal ca
processes or flow heating applications).
Controller parameters that will typically be adjusted by users can be found on the Controller Settings screen
Figure 10: Main
configuration settings page
ab of the app shows all three PID controllers sensor temperatures and device information.
The three controller’s parameters are shown depending on the
drop-down menu
If changes have been made to one controller t
hese must be saved before switching to another
controller’s settings. The
drop-down
menu should indicate if there are changes and warn you
these will be discarded
if a new controller page is selected.
Each controller can be configured to use any of th
e PT100, thermocouple (HRDc only), or 0
Sensors can be used on more than one controller
20mA input ranges are mapped to 0
-
100C. This can be changed for PID1 using the user
calibration fields described later.
no PID control duty is applied under any circumstances (but auxiliary scheduling is still
constant setpoint is used for the controller
at all times
–
Setpoints are provided by Devman at up t
o half hourly resolution on a weekly
pg. 13
Faster heating responses can be achieved with faster PWM speeds (e.g. for low thermal ca
pacity
Controller parameters that will typically be adjusted by users can be found on the Controller Settings screen
, as detailed
configuration settings page
ab of the app shows all three PID controllers sensor temperatures and device information.
hese must be saved before switching to another
menu should indicate if there are changes and warn you
that
e PT100, thermocouple (HRDc only), or 0
-10v,4-20mA inputs.
100C. This can be changed for PID1 using the user
no PID control duty is applied under any circumstances (but auxiliary scheduling is still
o half hourly resolution on a weekly

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■
This mode is only available if the RTC has been set (which initially require
■
Schedules can only be crated in Devman and with a
○ Timer –
see previous description of basic use in
■
Uses Timer Set Value as the target temperature to heat to.
■
Timer Seconds is the duration the heater will heat for irrespective of the attained
temperature.
○ Timer Set Point –
see previous
■
Uses Timer Set Value as the target temperature to heat to.
■
Timer Seconds is the duration the heater will heat for once the desired Timer Set Value
temperature has been first measured.
● Duty Control Modes
○ Single Element –
just one relay will be energized during duty
○
Single Element Two Pole
similar to tandem but informs the relay self
○ Two Elemen
t Tandem
○
Three Element Tandem
○
Two Element stepped
subsequently switch a second relay w
field “Stepped Mode Threshold (2)”
○
Three Element stepped
Threshold (3) to determine when a
●
Up to three Outputs for each controller can be selected to support the above tandem and stepped control
modes a single PID controller can
○ Note –
there is no “collision” checking in the UI to prevent mor
output, however the controller itself will not
controller (prioritis
ed by increasing
● PID (Proportional, Integral &
response for a give process under control
○
Default values give conservative control without integration to avoid overshoot of delay
locations.
○
Auto PID tune is availab
●
Ramp (s / C) allows changes in setpoint to be limited to change at rate
seconds. This parameter
applies to all modes including schedule, ma
following section on Built-
in Timer Modes
● User calibration values
○
PID 1’s sensor values can be offset and scaled using the following formula:
■
Temperature =
○
The temperature can also be dynamically scal
flow affects or to include
measure output whenever an output relay is energised for PID1. I.e.
■
Temperature =
■
Built-in Timer modes
HRD units can perform accurate relative timed setpoint profiling with or without an internet connection using the
internal Real Time Clock (RTC)
. For date and time of day based
a clock source to initialise HRD’s RTC
, hence this latter type of scheduling is only configurable in the Devman UI.
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This mode is only available if the RTC has been set (which initially require
Schedules can only be crated in Devman and with a
B
acker IoT service plan
see previous description of basic use in
‘Getting Started’
Uses Timer Set Value as the target temperature to heat to.
Timer Seconds is the duration the heater will heat for irrespective of the attained
temperature.
see previous
description of basic use in Getting Started
Uses Timer Set Value as the target temperature to heat to.
Timer Seconds is the duration the heater will heat for once the desired Timer Set Value
temperature has been first measured.
just one relay will be energized during duty
Single Element Two Pole
–
two relays are used to switch a single element (
similar to tandem but informs the relay self
-
check to know only one has live ac connected.
t Tandem
– switches two element circuits simultaneously.
Three Element Tandem
– switches three elements simultaneously
Two Element stepped
– will switch the first selected element on fo
r the initial duty requirement and
subsequently switch a second relay w
hen the duty required exceeds the
field “Stepped Mode Threshold (2)”
.
Three Element stepped
– is similar to
above but will use the additional threshold “Stepped Mode
Threshold (3) to determine when a
third relay would be energised
for the highest duty requirements.
Up to three Outputs for each controller can be selected to support the above tandem and stepped control
modes a single PID controller can
be configured for.
there is no “collision” checking in the UI to prevent mor
e than one controller using the same
output, however the controller itself will not
energise any output that is being used by another
ed by increasing
Control number).
Differential) parameters can be entered to minimise error,
response for a give process under control
.
Default values give conservative control without integration to avoid overshoot of delay
Auto PID tune is availab
le in a subsequent firmware release (Q3 2021).
Ramp (s / C) allows changes in setpoint to be limited to change at rate
of 1°
C over the given duration in
applies to all modes including schedule, ma
n
ual, timer and Timer Set
in Timer Modes
.
PID 1’s sensor values can be offset and scaled using the following formula:
Temperature =
“Calibration 1” + (“calibration 2”+1) x sensor value.
The temperature can also be dynamically scal
ed depending on the heating duty to compensate for
flow affects or to include
hysteresis-like effects.
The temperature will add Calibration 3 to the
measure output whenever an output relay is energised for PID1. I.e.
Temperature =
“Calibration 1” + “calibr
ation 3” + (“calibration 2”+1) x sensor value.
HRD units can perform accurate relative timed setpoint profiling with or without an internet connection using the
. For date and time of day based
scheduling an Internet connection is required to provide
, hence this latter type of scheduling is only configurable in the Devman UI.
pg. 14
This mode is only available if the RTC has been set (which initially require
s Internet access)
acker IoT service plan
Timer Seconds is the duration the heater will heat for irrespective of the attained
Timer Seconds is the duration the heater will heat for once the desired Timer Set Value
two relays are used to switch a single element (
live and neutral) - this is
check to know only one has live ac connected.
r the initial duty requirement and
hen the duty required exceeds the
thresholdentered into the
above but will use the additional threshold “Stepped Mode
for the highest duty requirements.
Up to three Outputs for each controller can be selected to support the above tandem and stepped control
e than one controller using the same
energise any output that is being used by another
Differential) parameters can be entered to minimise error,
overshoot, and
Default values give conservative control without integration to avoid overshoot of delay
-heavy sensor
C over the given duration in
ual, timer and Timer Set
Point - see
“Calibration 1” + (“calibration 2”+1) x sensor value.
ed depending on the heating duty to compensate for
The temperature will add Calibration 3 to the
ation 3” + (“calibration 2”+1) x sensor value.
HRD units can perform accurate relative timed setpoint profiling with or without an internet connection using the
scheduling an Internet connection is required to provide
, hence this latter type of scheduling is only configurable in the Devman UI.

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The relative timer functions can be configured w
also be achieved
using only the HRD’s front
Ramp Function
If the controller isconfigured
with a non
be used for the relevant PID controller.
change. E.g., a value of
1 would result in the setpoint increasing or decreasing by a value of 1
of change limit is enforced for any change in
Figure 11: Device settings
for ramp function
A ramp value of 0 indicates no ramping will be performed and set point changes will take effect
this mode the dynamic
set point will be displayed in
Hardware displays will
be affected by non 0 ramp values in the following ways:
 HRDc -
Display 2 will flash the “dynamic set point” as
is reached it will cease flashing.

HRDi units will not show the dynamic set point and will show current temperature.
Timer Mode
Mode 3 “Timer” has been added. When this mode is selected on the l
time. Once these are chosen the devices will behave as follows:
 HRDi -
Control LED will flash. Time remaining will be displayed. Pressing either
temperature. Pressing either -
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
 HRDc -
Control LED will flash. Current temperature will be on
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
timer and make the device idle.
Time will be displayed as either 3 digits or 2 digits. 3 di
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same
for setting the timer.
Operating Manual
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The relative timer functions can be configured w
hether on the LAN-
Mobile App or Devman and some configuration can
using only the HRD’s front
panel buttons and display.
with a non
-zero value for “Ramp seconds per degree”a
dynamically adjusted
This will limit any changes in setpoint to the rate of seconds for each degree of
1 would result in the setpoint increasing or decreasing by a value of 1
of change limit is enforced for any change in
setpoint
whither it is the manual or scheduled setpoint.
for ramp function
A ramp value of 0 indicates no ramping will be performed and set point changes will take effect
set point will be displayed in
UIs with
brackets next to the final set point
be affected by non 0 ramp values in the following ways:
Display 2 will flash the “dynamic set point” as
it ramps up to the final set point. Once the final set point
is reached it will cease flashing.
HRDi units will not show the dynamic set point and will show current temperature.
Mode 3 “Timer” has been added. When this mode is selected on the l
ocal UI you will be asked for a set point and then a
time. Once these are chosen the devices will behave as follows:
Control LED will flash. Time remaining will be displayed. Pressing either
-
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
Control LED will flash. Current temperature will be on
display 1. Time remaining will be on display 2.
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
timer and make the device idle.
Time will be displayed as either 3 digits or 2 digits. 3 di
gits indicates the number of minutes remaining. Once the time
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same
pg. 15
Mobile App or Devman and some configuration can
dynamically adjusted
setpoint will
This will limit any changes in setpoint to the rate of seconds for each degree of
1 would result in the setpoint increasing or decreasing by a value of 1
°C every second. This rate
whither it is the manual or scheduled setpoint.
A ramp value of 0 indicates no ramping will be performed and set point changes will take effect
immediately.When in
brackets next to the final set point
.
it ramps up to the final set point. Once the final set point
ocal UI you will be asked for a set point and then a
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
display 1. Time remaining will be on display 2.
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
gits indicates the number of minutes remaining. Once the time
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same

HRDc/HRDi Controller -
Operating Manual
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The timer duration can be set from Devman and Mobile
the local UI or from an external button connected to the 10v sensor.
Figure 12:
Devman configuration for rate of change limited to 30s per degree
Timed Setpoint Mode
Mode 4 of the HRD device is “Timed set point mode” where the time val
setpoint has been reached. This differs from the basic timer mode where the duration of heating from the moment the
timed mode is activated.
This mode is also activated either by pressing the set button or applying > 4V to the 0
input.
When this mode is selected on the local UI you will be asked for a set point and then a time. Once these are chosen the
devices will behave as follows:
 HRDi -
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
the timer will start and the remaining time will be displayed. Pressing either
temperature. Pressing either -
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
 HRDc -
Control LED will flash. Current temperature will be on di
Once the set point is reached the timer will start and the remaining time will be displayed on display 2. Once
finished it will display 00. A short press of set will start the timer again. A long press of set wi
and make the device idle.
Operating Manual
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The timer duration can be set from Devman and Mobile
UIs. However,the
timer can only be started by pressing set on
the local UI or from an external button connected to the 10v sensor.
Devman configuration for rate of change limited to 30s per degree
for 1 10 minute one
Mode 4 of the HRD device is “Timed set point mode” where the time val
ue defines the duration
setpoint has been reached. This differs from the basic timer mode where the duration of heating from the moment the
This mode is also activated either by pressing the set button or applying > 4V to the 0
When this mode is selected on the local UI you will be asked for a set point and then a time. Once these are chosen the
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
the timer will start and the remaining time will be displayed. Pressing either
-
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
Control LED will flash. Current temperature will be on di
splay 1. Display 2 will show time remaining.
Once the set point is reached the timer will start and the remaining time will be displayed on display 2. Once
finished it will display 00. A short press of set will start the timer again. A long press of set wi
pg. 16
timer can only be started by pressing set on
for 1 10 minute one
-shot heating mode
ue defines the duration
of heating once a
setpoint has been reached. This differs from the basic timer mode where the duration of heating from the moment the
This mode is also activated either by pressing the set button or applying > 4V to the 0
-10V
When this mode is selected on the local UI you will be asked for a set point and then a time. Once these are chosen the
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
splay 1. Display 2 will show time remaining.
Once the set point is reached the timer will start and the remaining time will be displayed on display 2. Once
finished it will display 00. A short press of set will start the timer again. A long press of set wi
ll stop the timer

HRDc/HRDi Controller -
Operating Manual
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If a ramp value is set,
this will be applied from the moment the mode is activated and will reduce the heating only after
the
duration has been reached, which will mean heating will continue for
setpoint duration has expired.
LAN
Interface Configuration
Figure 13: Network configuration
Should your host network not support DHCP you will need to configure your device
enabled access point a
s described earlier in t
Netmask for your device.
Hardware Displays and Buttons
Please see the getting started section for a primer on operating the HRDi units from the front panel buttons. This
section provides further details of the user
the error status d
etails that may override the display if error
Mode Setting
The mode button on HRDc performs the same function as a long press of the set button on HRDi. This means the
current mode of the HRDc can be controlled by a press
the current mode is displayed in the third character of the second display. Modes are as follows:
Operating Manual
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this will be applied from the moment the mode is activated and will reduce the heating only after
duration has been reached, which will mean heating will continue for
the
additional
Interface Configuration
Should your host network not support DHCP you will need to configure your device
initially
s described earlier in t
h
is manual. From here you can set a static IP address, gat
Hardware Displays and Buttons
Please see the getting started section for a primer on operating the HRDi units from the front panel buttons. This
section provides further details of the user
functions available from the front panel display and buttons and also details
etails that may override the display if error
s are detected by the controller.
The mode button on HRDc performs the same function as a long press of the set button on HRDi. This means the
current mode of the HRDc can be controlled by a press
of the mode button. Once the mode button has been pressed
the current mode is displayed in the third character of the second display. Modes are as follows:
pg. 17
this will be applied from the moment the mode is activated and will reduce the heating only after
additional
ramp-down time after the
initially
with a temporary DHCP
is manual. From here you can set a static IP address, gat
eway and
Please see the getting started section for a primer on operating the HRDi units from the front panel buttons. This
functions available from the front panel display and buttons and also details
The mode button on HRDc performs the same function as a long press of the set button on HRDi. This means the
of the mode button. Once the mode button has been pressed
the current mode is displayed in the third character of the second display. Modes are as follows:

HRDc/HRDi Controller -
Operating Manual
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 0 - Disabled
 1 - Manual set point
 2 - Schedule
 3 - Timer
 4 - Timer set point (Timer-SP)
When enterin
g Timer mode 3 or 4 the user is able to enter a time using the up/down buttons to configure the mode’s
timer settings.
General Button Actions
User Action
Previous State
Set Temperature
Manual, Schedule,
Timer,Timer-
SP
Disabled
Unfinished actions
Display Flashing
Change temperature
(fine 0.1 steps)
Display Flashing
Change temperaturer
fast (auto 1°C steps)
Display Flashing
Apply temperature
Display Flashing
Change to schedule
mode
Manual/
Schedule/
Timer/Timer-
SP/Disabled
Reset Device
Manual/Schedule/
Timer/Timer-
SP/
Disabled
Factory Reset Device
Manual/Schedule/
Timer/Timer-
SP/
Disabled
Each time ta unit is powered on and also continuously during operation the HRD runs software and hardware integrity
checks.
If a unit is powered up without appropriate sensor or power
state before any control is carried out.
(HRDi only) Part of boot self-
tests will operate the internal relays to check they are switching correctly on boot, which
will operate each relay for less than 1 second).
Operating Manual
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g Timer mode 3 or 4 the user is able to enter a time using the up/down buttons to configure the mode’s
Previous State
Subsequent State
FP Buttons
Manual, Schedule,
SP
Display Flashing
Set, Up, or Down
Display Flashing
Manual/Schedule/ Timer/Timer-
SP/ Disabled
None
Display Flashing
Manual Display Flashing
Short Up or Down
release
Display Flashing
Display Scrolling
Up or Down long
press
Display Flashing
Manual Mode Set
Schedule/
Schedule Mode
Long press set
Manual/Schedule/
SP/
Manual/Schedule/ Disabled
Long press Down
then simultaneous
long press Set
button
Manual/Schedule/
SP/
Manual
Long press Down &
Up then
simultaneous long
press Set button
Each time ta unit is powered on and also continuously during operation the HRD runs software and hardware integrity
If a unit is powered up without appropriate sensor or power
connections,
it will immediately set to a
tests will operate the internal relays to check they are switching correctly on boot, which
will operate each relay for less than 1 second).
pg. 18
g Timer mode 3 or 4 the user is able to enter a time using the up/down buttons to configure the mode’s
FP Buttons
Set, Up, or Down
None
Short Up or Down
release
Up or Down long
press
Long press set
Long press Down
then simultaneous
long press Set
button
Long press Down &
Up then
simultaneous long
press Set button
Each time ta unit is powered on and also continuously during operation the HRD runs software and hardware integrity
it will immediately set to a
n error
tests will operate the internal relays to check they are switching correctly on boot, which

HRDc/HRDi Controller -
Operating Manual
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Tel:[phone] Fax:[phone] Email:
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Timer Mode
Mode 3 “Timer” has bee
n added. When this mode is selected on the local UI you will be asked for a set point and then a
time. Once these are chosen the devices will behave as follows:
 HRDi -
Control LED will flash. Time remaining will be displayed. Pressing either
temperature. Pressing either -
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
 HRDc - Control LED
will flash. Current temperature will be on display 1. Time remaining will be on display 2.
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
timer and make the device idle.
Time will be di
splayed as either 3 digits or 2 digits. 3 digits indicates the number of minutes remaining. Once the time
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same
for setting the timer.
The timer
duration can be set from Devman and Mobile UIs.
local UI or from an external button connected to the 10v sensor.
Timer Set Point Mode
Mode 4 “Timer set point” has been added. When this mode is sel
and then a time. Once these are chosen the devices will behave as follows:
 HRDi -
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
the timer
will start and the remaining time will be displayed. Pressing either
temperature. Pressing either -
press of set will start the timer again. A l
 HRDc -
Control LED will flash. Current temperature will be on display 1. Display 2 will show time remaining.
Once the set point is reached the timer will start and the remaining time will be di
finished it will display 00. A short press of set will start the timer again. A long press of set will stop the timer
and make the device idle.
CriticalError States & Reporting
Error states are reported on the HRDc
’s front panel
detected the display will report the error number in the first two digits
decimal place.
The front panel display reports all error c
distinguishable from normal operation display values. Text format error messages are also disp
App and Devman UIs.
The error number are defined
as in table X below an
Error
#
Error
State
0
Relay Stuck On
1
RelayStuck Off
2
Thermal Cutout
3
Sensor unsafe (Perm)
Operating Manual
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n added. When this mode is selected on the local UI you will be asked for a set point and then a
time. Once these are chosen the devices will behave as follows:
Control LED will flash. Time remaining will be displayed. Pressing either
-
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
will flash. Current temperature will be on display 1. Time remaining will be on display 2.
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
timer and make the device idle.
splayed as either 3 digits or 2 digits. 3 digits indicates the number of minutes remaining. Once the time
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same
duration can be set from Devman and Mobile UIs.
However,
timer can only be started by pressing set on the
local UI or from an external button connected to the 10v sensor.
Mode 4 “Timer set point” has been added. When this mode is sel
ected on the local UI you will be asked for a set point
and then a time. Once these are chosen the devices will behave as follows:
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
will start and the remaining time will be displayed. Pressing either
-
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A l
ong press of set will stop the timer and make the device idle.
Control LED will flash. Current temperature will be on display 1. Display 2 will show time remaining.
Once the set point is reached the timer will start and the remaining time will be di
finished it will display 00. A short press of set will start the timer again. A long press of set will stop the timer
’s front panel
display instead of a measured temperature value. If an
detected the display will report the error number in the first two digits
, with the third blank
and
The front panel display reports all error c
ases in numeric format and display formats that should be
distinguishable from normal operation display values. Text format error messages are also disp
as in table X below an
d are prioritized from 0 (highest)
and 11 (lowest):
Notes
HRDi Only - Can be caused incorrect e
lement
HRDi Only - Can be caused incorrect
power
HRDi Only – Optional &
Can be caused incorrect wiring
A permanent sensor temperature fault
pg. 19
n added. When this mode is selected on the local UI you will be asked for a set point and then a
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
press of set will start the timer again. A long press of set will stop the timer and make the device idle.
will flash. Current temperature will be on display 1. Time remaining will be on display 2.
Once finished it will display 00. A short press of set will start the timer again. A long press of set will stop the
splayed as either 3 digits or 2 digits. 3 digits indicates the number of minutes remaining. Once the time
remaining is below a minute then 2 digits will be shown indicating the number of seconds remaining. This is the same
timer can only be started by pressing set on the
ected on the local UI you will be asked for a set point
Control LED will flash. Current temperature will be displayed until set point is reached. At which point
or + will show the current
or + again will show the time remaining. Once finished it will display 00. A short
ong press of set will stop the timer and make the device idle.
Control LED will flash. Current temperature will be on display 1. Display 2 will show time remaining.
Once the set point is reached the timer will start and the remaining time will be di
splayed on display 2. Once
finished it will display 00. A short press of set will start the timer again. A long press of set will stop the timer
display instead of a measured temperature value. If an
error state is
and
a flashing a ‘0’ after the
ases in numeric format and display formats that should be
easily
distinguishable from normal operation display values. Text format error messages are also disp
layed in both the Mobile
and 11 (lowest):
lement
wiring
power
wiring
Can be caused incorrect wiring