Gude 8801 User manual

Manual
Expert Transfer Switch 8801
© 2021 GUDE Systems GmbH
Manual Ver. 1.6.0
from Firmware Ver. 1.6

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Table of contents
1. Device Description 5
1.1 Security Advice ....................................................................................................... 6
1.2 Content of Delivery ................................................................................................. 6
1.3 Description ............................................................................................................. 6
1.4 Installation ............................................................................................................. 7
1.5 Switching Operation ............................................................................................... 8
1.6 Technical Specifications ........................................................................................ 10
1.6.1 Electrical Measurement ......................................................................................... 10
1.7 Sensor .................................................................................................................. 11
2. Operating 14
2.1 Operating the device directly ................................................................................ 15
2.2 Control Panel ........................................................................................................ 15
2.3 Maintenance ........................................................................................................ 16
2.3.1 Maintenance Page ................................................................................................. 17
2.3.2 Configuration Management .................................................................................. 19
2.3.3 Bootloader Activation ............................................................................................ 20
3. Configuration 22
3.1 ETS ....................................................................................................................... 23
3.2 Ethernet ............................................................................................................... 23
3.2.1 IP Address ............................................................................................................... 24
3.2.2 IP ACL ..................................................................................................................... 25
3.2.3 HTTP ....................................................................................................................... 26
3.3 Protocols .............................................................................................................. 27
3.3.1 Console ................................................................................................................... 28
3.3.2 Syslog ..................................................................................................................... 29
3.3.3 SNMP ...................................................................................................................... 29
3.3.4 Radius ..................................................................................................................... 30
3.3.5 Modbus TCP ........................................................................................................... 32
3.3.6 MQTT ...................................................................................................................... 33
3.4 Clock ..................................................................................................................... 34
3.4.1 NTP ......................................................................................................................... 34
3.4.2 Timer ...................................................................................................................... 35
3.4.3 Timer Configuration ............................................................................................... 35
3.5 Sensors ................................................................................................................. 42
3.6 E-Mail ................................................................................................................... 43
3.7 Front Panel ........................................................................................................... 44
4. Specifications 45
4.1 Automated Access ................................................................................................ 46

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Table of contents
4.2 Messages .............................................................................................................. 46
4.3 IP ACL ................................................................................................................... 48
4.4 IPv6 ...................................................................................................................... 49
4.5 Radius ................................................................................................................... 49
4.6 SNMP ................................................................................................................... 50
4.6.1 Device MIB ............................................................................................................. 52
4.7 SSL ........................................................................................................................ 54
4.8 Console ................................................................................................................. 56
4.8.1 SSH ......................................................................................................................... 59
4.8.2 Console Cmd 8801 ................................................................................................. 60
4.9 Modbus TCP ......................................................................................................... 67
4.10 MQTT ................................................................................................................... 73
4.10.1 Example HiveMQ .................................................................................................... 75
5. Support 77
5.1 Data Security ........................................................................................................ 78
5.2 Contact ................................................................................................................. 78
5.3 Declaration of Conformity ..................................................................................... 79
5.4 FAQ ...................................................................................................................... 79
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Index

Device Description

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
1 Device Description
1.1 Security Advice
·The device must be installed only by qualified personnel according to the following
installation and operating instructions.
·The manufacturer does not accept responsibility in case of improper use of the
device and particularly any use of equipment that may cause personal injury or ma-
terial damage.
·The device contains no user-maintenable parts. All maintenance has to be per-
formed by factory trained service personnel.
·This device contains potentially hazardous voltages and should not be opened or
disassembled.
·The device can be connected only to 230V AC (50 Hz or 60 Hz) power supply sock-
ets.
·The power cords, plugs and sockets have to be in good condition. Always connect
the device to properly grounded power sockets.
·The device is intended for indoor use only. Do NOT install them in an area where ex-
cessive moisture or heat is present.
·Because of safety and approval issues it is not allowed to modify the device without
our permission.
·The device is NOT a toy. It has to be used or stored out or range of children.
·Care about packaging material. Plastics has to be stored out of range of children.
Please recycle the packaging materials.
·In case of further questions, about installation, operation or usage of the device,
which are not clear after reading the manual, please do not hesitate to ask our sup-
port team.
·Please, never leave connected equipment unattended, that can cause damage.
·Connect only electrical devices that do not have limited on-time. I.e. in case of
failure, all connected appliances have to cope with a continuous on-time without
causing damage.
1.2 Content of Delivery
The package includes:
·Expert Transfer Switch 8801
·2 x Power Supply cable (IEC C19, max. 16 A)
·Quick Start Guide
1.3 Description
The Expert Transfer Switch 8801 is an automatic transfer switch (ATS) for redundant
supply of power consumers.
·Automatic transfer to alternate power supply B if blackout of power supply B occurs
·Calculation of Phase offset
·Switches supply even if phase is shifted
·Possible automatic switch back when power supply A returns

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
·Transfer time at in-phase condition:
oby pushing button: typ. 7 ms
oby automatic: typ. 15 ms
·Transfer time at phase-shift condition:
oby pushing button: typ. 10 ms
oby automatic: typ. 18 ms
·Metering of energy, current, power factor, phase angle, frequency, voltage and act-
ive/apparent/reactive power
·2 energy meters, one meter continuously, the other resettable
·Clearly visible LED display for total current, IP address, and sensor data
·2 interfaces for optional sensors for environmental monitoring (temperature and hu-
midity)
·Console commands via SSH and Telnet
·SSH support with public key and passwords
·Programmable timetables for console commands
·Dual TCP/IP stack with IPv4 and IPv6 support (IPv6-ready)
·Control and monitoring of the device via Ethernet with an integrated web server with
SSL encryption (TLS 1.1, 1.2, 1.3)
·Configuration with CGI parameters and JSON messages via HTTP (REST API)
·SNMP (v1, v2c and v3, traps)
·MQTT 3.1.1 Support
·Modbus TCP support
·Radius support
·Generation of messages (e-mail, syslog and SNMP traps) depending on sensor
measurement limits
·Firmware update during operation via Ethernet possible
·Encrypted e-mails (SSL, STARTTLS)
·Access protection through IP access control
·Low own consumption
·Developed and produced in Germany
1.4 Installation
1. Status LED
2. Select button
3. Ok button
4. Ethernet connector (RJ45)
5. External sensor connectors (RJ45)
6. D-Sub 9 Connector (Signaling)
7. Plain text displays (A / B) for the state of the two inputs
8. Plain text display for phase coincidence ( "phase 0 degree" / "reverse phase")
9. Plain text display (A / B) which power supply is connected to the load outputs
10.Current power consumption of the connected line (7-segment display)
D-Sub 9 Connector (Signaling)

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
1. Relay NO for Input A
2. not connect!
3. not connect!
4. Relay middle contact (CO) for Input A
5. not connect!
6. Relay NO for Input B
7. Relay middle contact (CO) for Input B
8. Relay NC for Input B
9. Relay NC for Input A
1. 1 x Load output (IEC C19, max. 16 A)
2. 6 x Load outputs (IEC C13, max. 10 A)
3. Mains supply B (IEC C20, max. 16 A)
4. Mains supply A (IEC C20, max. 16 A)
Start-up the device
·Connect input A with your primary mains and input B with your secondary mains.
The cable connectors are secured as regards their type against unintentional loosen-
ing. They must be inserted up to the stop, otherwise there is no secure connection.
The plug must not wobble in the socket, or there is no tight connection.
·Plug the network cable into the Ethernet socket (RJ45).
·If needed, establish a connect to the signaling connector (D-Sub 9).
·Insert the optional external sensors into the sensor connectors.
·Connect the consumers with the load outputs (IEC C20, max. 16 A) or (IEC C13,
max. 10 A).
1.5 Switching Operation

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
The device has safety relays, that can isolate the inputs individually from the mains, a
main relay that switches between the inputs A and B, as well as a relay before the load
output. The safety relays only connect an input to the device, when the input is also
connected to the mains supply. If there is no voltage, this input is completely discon-
nected.
In normal operation, the voltage from the two inputs are continuously monitored.
Leaves the voltage waveform of the input the range of a predefined template for too
long, an error condition is achieved. The configuration option Sensitivity defines the
sensitivity of the template. The special ETS configuration options are described in
chapter Configuration - ETS . The unit switches to the other input when the analysis
of the input voltage there does not detect an error. To avoid, that a short fault on an in-
put triggers an unnecessary switching operation, the voltage must leave the permitted
range over a period of approx. 2 ms. The analysis of the voltage detects whether
phase and polarity of the two inputs A and B are the same or not. This information is
shown on the website and display as ( "phase 0 degree" / "reverse phase").
A switching operation from an input to the other is caused by either a manual com-
mand or an error condition. During the switching process, the load is initially separated
from the input, switched to the other input, and then connected again. If the Fast on
Sync option is turned on, and the two inputs A and B do not have a phase shift, the
switch is performed more quickly without having to separate the load.
When possible, it is always advisable to connect the inputs with no phase delay to
the mains, as this results in faster switching times.
Preferred Switching
The Preferred option determines which input is preferred, when the voltage at both in-
puts cannot detect anything wrong. Only if the value "none" is set, it is possible to
switch manually, and the "toggle connected input" button is visible on the control panel
website.
Input Monitoring
If no voltage is present at either of the two inputs A or B, or does not meet the specific-
ations, this is signaled by a red flashing on the display. In addition, the buzzer will
sound if the Beeper Enabled option is activated in the ETS configuration.
D-Sub 9 Signaling
The state of the voltage on the two inputs is also signaled by two galvanically isolated
relays. If the analysis shows, that the voltage at the input is Ok, the corresponding re-
lay is switched to the NO contact (Voltage OK). For the D-Sub 9 pin assignment
see chapter "Installation".
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
1.6 Technical Specifications
Interfaces
1 x Ethernet port (RJ45)
2 x Mains supply (IEC C20, max. 16 A)
6 x Load outputs (IEC C13, max. 10 A)
1 x Load output (IEC C19, max. 16 A)
2 x RJ45 for external sensor
1 x Galvanic isolated signal output (Sub-D 9-pin)
Network connectivity
10/100 MBit/s 10baseT Ethernet
Input voltage range
230V AC / -5% / +5%
Own consumption
(230 V AC, 25° C)
A and B supplied, A connected: typ. 60 mA (5.5 W)
A and B supplied, B connected: typ. 75 mA (7.5 W)
A supplied, A connected: typ. 40 mA (4 W)
B supplied, B connected: typ. 55 mA (6 W)
Switching times (phase-syn-
chronous and Fast On Sync)
15 ms (automatic)
7 ms (manual)
Switching times (phase-shifted)
18 ms (automatic)
10 ms (manual)
D-Sub 9 Relay
DC 30V, 1A
AC 24V, 1A
Environment
·Operating temperature
·Storage temperature
·Humidity
0°C - 50 °C
-20°C - 70 °C
0% - 95% (non-condensing)
Case
powder coated, galvanized steel sheet
Measurements
19" (inches), 1 Rack Unit, (Depth 195 mm)
Weight
approx. 2.5 kg
1.6.1 Electrical Measurement
typical fault tolerances for Ta=25°C, I=1Arms...16Arms, Un=90Vrms...265Vrms

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
Electrical Measurement Specification
Category
Range
Unit
Resolu-
tion
Inaccuracy
(typical)
Voltage
230
V
0.01
< 1%
Current
0 - 16
A
0.001
< 1.5%
Frequency
45-65
Hz
0.01
< 0.03%
Phase
-180 - +180
°
0.1
< 1%
Active power
0 - 4000
W
1
< 1.5%
Reactive power
0 - 4000
Var
1
< 1.5%
Apparent power
0 - 4000
VA
1
< 1.5%
Power factor
0 - 1
-
0.01
< 3%
Energy Counter
Active Energy
(total)
9.999.999,999
kWh
0.001
< 1.5%
Active Energy
(temporary)
9.999.999,999
kWh
0.001
< 1.5%
1.7 Sensor
Two external sensors can be connected to the Expert Transfer Switch 8801. The fol-
lowing sensors are currently available
Humidity/Temperature Sensor 7102 (End-of-Life)
Cable length
2m
Connector
RJ45
temperature range
-20°C to +80°C, ±0,5°C (maximum) and ±0,3°C (typical)
air humidity range
(non-condensing))
0-100%, ±3% (maximum) and ±2% (typical)

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
Product Name
7101
7104-1
7105-1
7106-1
Calibrated
Sensor
-
7104-2
7105-2
7106-2
Cable length
2m
2m
2m
2m
Connector
RJ45
RJ45
RJ45
RJ45
temperature range
-20°C to +80°C at
±2°C (maximum)
and ±1°C (typical)
-20°C to +80°C at
±2°C (maximum)
and ±1°C (typical)
-20°C to +80°C at
±2°C (maximum)
and ±1°C (typical)
-20°C to +80°C at
±2°C (maximum)
and ±1°C (typical)
air humidity range
(non-condensing)
-
-
0-100%, ±3%
(maximum) and
±2% (typical)
0-100%, ±3%
(maximum) and
±2% (typical)
air pressure range
(full)
-
-
-
± 1 hPa (typical)
at 300 ... 1100
hPa, 0 ... +40 °C
air pressure range
(ext)
-
-
-
± 1.7 hPa (typical)
at 300 ... 1100
hPa, -20 ... 0 °C
Protection
IP68
-
-
-
Product Name
7201
7202
Cable length
-
-
Connector
RJ45
RJ45
temperature range
-20°C to +80°C at ±2°C (max-
imum) and ±1°C (typical)
-20°C to +80°C at ±2°C (max-
imum) and ±1°C (typical)
air humidity range
(non-condensing)
-
0-100%, ±3% (maximum) and
±2% (typical)

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Device Description
The sensors are automatically detected after connect. This is indicated by the green
LED on the sensor port that is lit permanently. The sensor values are displayed at
the "Control Panel" web page:
A click on the link in the "Name" column opens the display of the Min and Max values.
The values in a column can be reset using the "Reset" button. The "Reset" button in
the name column deletes all stored Min and Max values.

Operating

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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
2 Operating
2.1 Operating the device directly
Manual Switching
The current status can be recognized by the corresponding plain-text displays on the
screen. If you want to switch manually with the buttons, both inputs must have power
(green indicator), and the Preferred option must be set to "none". By pressing "Select"
the name of the target input flashes on the display, that will be connected when you
press the "Ok" button.
Display Information
If "Select" is not pressed, repeatedly pressing the "ok" button will show the IP-address
and the values of the external sensors on the display (7-segment).
Status-LED
The Status LED shows the different states of the device:
·red: The device is not connected to the Ethernet.
·orange: The device is connected to the Ethernet and waits for data from the DHCP
server.
·green: The device is connected to the Ethernet and the TCP/IP settings are alloc-
ated.
·periodic blinking: The device is in Bootloader mode.
2.2 Control Panel
Access the web interface: http://"IP-address" and log-in.
The web page provides an overview of the switching state, energy measurement val-
ues of the connected line, as well as the external sensors, provided that they are con-
nected. The input can be changed by pressing the "toggle connected input" button, if
there is voltage at both inputs and the Preferred option is set to "none". If there is no
"OK" behind the letters for the inputs (A and B), the quality of the input voltage does
not correspond to the defined expectations (see chapter Switching Operation ). This
Sensitivity can be reduced (see chapter Configuration - ETS) .
Optionally the device can be configured via a Perl script or external tools like wget.
More information is available on our support wiki at www.gude.info/wiki.
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
2.3 Maintenance
The actual device generation with IPv6 and SSL allows all maintenance functions in
the web interface to be carried out on the Maintenance Page .
Maintenance in the web interface
The following functions are available from the maintenance web page:
·Firmware Update
·Change the SSL certificate
·Load and save the configuration
·Restart the device
·Factory Reset
·Jump into the Bootloader
·Delete the DNS cache
Upload Firmware, Certificate or Configuration
On the Maintenance Page , select the required file with "Browse .." in the sections
"Firmware Update", "SSL Certificate Upload" or "Config Import File Upload" and press
"Upload". The file is now transferred to the update area of the device and the contents
are checked. Only now, pressing the "Apply" button will permanently update the data,
or abort with "Cancel".
Only one upload function can be initiated with a reboot, eg. you cannot transmit
firmware and configuration at the same time.
If after a firmware update, the web page is not displayed correctly anymore, this
may be related to the interaction of Javascript with an outdated browser cache. If a
Ctrl-F5 does not help, it is recommended that you manually delete the cache in the
browser options. Alternatively, you can test start the browser in "private mode".
During a firmware update, old data formats are sometimes converted to new struc-
tures. If an older firmware is newly installed, the configuration data and the energy
meters may be lost! If the device then does not run correctly, please restore the factory
settings (e.g. from the Maintenance Page ).
Actions in Bootloader mode
If the web interface of the device is no longer accessible, the device can be put into
Bootloader mode (see chapter Bootloader activation ). The following functions can
be executed using the GBL_Conf.exe application:
·Set IPv4 address, net-mask and gateway
·Turn HTTP password on and off
·Turn IP-ACL on and off
·Factory Reset
·Jump into the bootloader (can be switched on and off)
·Restart the device
For devices with relays, entering or exiting the bootloader mode does not change
the state of the relays as long as the operating voltage is maintained.
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
The GBL_Conf.exe program is available free of charge on our website www.gude.info
and can also be found on the enclosed CD-ROM.
Interface GBL_Conf
To check the network settings with GBL_Conf.exe, start the program and choose "All
Devices" in the "Search" menu. From the list select the appropriate device. The lower
part of the left half of the window now shows the current network settings of the device.
If the IP address is displayed with the default settings (192.168.0.2), either no DHCP
server is present on the network, or there could be no free IP address assigned to it.
·Activate the Bootloader Mode (see Chapter Bootloader Mode) and choose in menu
"Search" the item "Bootloader-Mode Devices only"
·Enter the desired settings in the edit window and save them with "Save Config".
·Deactivate the boot loader mode for the changes to take effect. Select again "All
Devices" in the "Search" menu of GBL_Conf.exe.
The new network configuration is now displayed.
Factory Reset
The device can be reset to the factory default via the web interface from the Mainten-
ance Page or from the Bootloader mode (see chapter Bootloader activation ). All
TCP/IP settings are reset in this operation.
If a unit is set to factory defaults, an uploaded certificate or updated firmware will
be preserved.
2.3.1 Maintenance Page
This section provides access to important functions such as Firmware Update or Re-
start Device. It is advisable to set an HTTP password for this reason.
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
Firmware Update: Start a firmware update.
SSL Certificate Upload: Saves your own SSL certificate. See chapter "SSL " for the
generation of a certificate in the right format.
Config Import File Upload: Loads a new configuration from a text file. To apply the new
configuration, a "Restart Device" must be executed after the "Upload".
Config File Export: Saves the current configuration in a text file.
Saving the configuration should only be carried out in an SSL connection, since it
contains sensitive password information (even if it is encrypted or hashed).
Restart Device: Restarts the device without changing the status of the relays.
Some functions such as a firmware update or changing of the IP-address and
HTTP settings require a restart of the device. A jump to the boot loader or a restart of
the device lead by no means to a change of the relay states.
Restore Fab Settings and Restart Device: Performs a restart and resets the device to
factory default .
Enter Bootloader Mode: Jumps into bootloader mode, where additional settings can be
made with GBL_Conf.exe.
Flush DNS Cache: All entries in the DNS cache are discarded and address resolutions
are requested again.
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
Config/Status View: status.html: Displays the status.html page with the JSON data.
Config/Status Download: export.json: Direct file download of JSON data from
status.hml.
2.3.2 Configuration Management
The device configuration can be saved and restored in the maintenance area .
The "Config File Export" function can be used to save the current configuration as a
text file. The syntax used in the configuration file corresponds to the commands of the
Telnet console. If the configuration of a device is to be restored from a text file, load
the file with "Upload" and restart the device with "Restart Device".
Saving the configuration should only be carried out in an SSL connection, since it
contains sensitive password information (even if it is encrypted or hashed). For the
same reasons, it is advisable to carefully handle the generated configuration files when
archiving.
Editing the configuration file
It is possible to customize a saved configuration file with a text editor for your own
needs. For example, one scenario would be to use a script language to automate the
creation of many customized versions of a configuration, then equip a large number of
devices with an individualized configuration. Also Upload and restart with CGI com-
mands can be done in scripting languages. With use of the comment sign "#" you can
quickly hide single commands or add personal notes.
If you modify a configuration file manually, it is not always clear which limits are allowed
for parameters. After uploading and restarting, commands with invalid parameters are
ignored. Therefore, the generated configuration includes comments describing the
boundaries of the parameters. Where "range:" refers to a numeric value, and "len:" to a
text parameter. E.g:
email auth set 0 #range: 0..2
email user set "" #len: 0..100
The command "system fabsettings" from the beginning of a generated configuration
file brings the device into the factory state, and then executes the individual commands
that modify the configuration state. It may be desirable to make the changes relative to
the current configuration, and not out of the factory state. Then the "system fabset-
tings" should be removed.
No output of default values
The configuration file contains (with exceptions) only values which differ from the de-
fault. The command "system fabsettings" (go to the factory state) from the beginning of
a generated configuration file should not be removed, otherwise the device can get in-
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Expert Transfer Switch 8801 © 2021 GUDE Systems GmbH
Operating
completely configured.
Configuration via Telnet
The configuration files can in principle also be transferred in a Telnet session, but then
the settings are changed during operation, and not completely when restarting, as it
would have been the case with an upload. It can happen that events are triggered at
the same time as the device is configured. One should therefore:
a) disable the function
b) completely parametrize
c) reactivate the function
An example:
email enabled set 0
email sender set "" #len: 0..100
email recipient set "" #len: 0..100
email server set "" #len: 0..100
email port set 25
email security set 0 #range: 0..2
email auth set 0 #range: 0..2
email user set "" #len: 0..100
email passwd hash set "" #len: 0..100
email enabled set 1 #range: 0..1
2.3.3 Bootloader Activation
The configuration of the device from the application "GBL_Conf.exe" is only possible, if
the device is in Bootloader Mode.
Activation of the Bootloader Mode
1) via push button:
·Hold both buttons for 3 seconds
2) or
·Remove the power supply
·Hold down the "Select" button. If the push button is recessed, use a pin or paper clip
·Connect the operating voltage
3) by Software: (only if "Enable FW to BL" was previously activated in the
"GBL_Conf.exe" application)
·Start the "GBL_Conf.exe" program
·Do a network search with the "Search" menu action
·Activate in menu "Program Device" the item "Enter Bootloader"
4) via web interface:
Press "Enter Bootloader Mode" on the maintenance web page.
Whether the device is in Bootloader mode, is indicated by the flashing of the status
LED, or it is shown in "GBL_Conf.exe" application after a renewed device search (ap-
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