HW Group STE 2 User manual

User Manual

HW group
2Safety warning
Safety warning
The device meets the requirements of standards valid in the Czech Republic, has undergone live
testing and is delivered in operational condition. To maintain the device in this condition, it is
necessary to observe the safety and device maintenance requirements set forth below.
If the device is not used in the manner recommended by the manufacturer, the security offered
by the device may be breached!
The power socket or point of disconnecting the device from power supply must be freely accessible!
The device must not be used in particular if:
• it is visible damaged
• it does not work properly
• there are loose parts inside the device
• it was exposed to long-term humidity or got wet
• it underwent unqualified repair by unauthorised personnel
• the power adapter or its supply cable are visible damaged
• if the device is used in a manner other than the designated manner, the protection provided
by the device may be breached
• the switch or fuse and other power surge protection resources must be part of the overall
construction unit
The manufacturer is liable for the device only if it is powered by the supplied or approved power source.
Should you have any problems with installation and start-up, you can contact our technical support:
HW group s.r.o.
http://www.hw-group.com
email: [e-mail]
Rumunská 26/122
Prague, 120 00
Phone: [phone]
Before contacting technical support, prepare the precise model of your device (on the manufacturing label
and the firmware version (see below), if you know it.

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Contents
Contents
Safety warning 2
Contents 3
STE2 – Basic features 4
Basic features 5
Application 5
Connectors and wiring 6
Recommended connection 7
First start-up 8
WWW interface 10
Home tab 10
General Setup tab 11
Security tab 12
WiFi tab 13
Sensors tab 16
Digital Inputs tab 17
E-mail tab 18
SMS tab 19
Alarms 20
SNMP tab 21
Time tab 23
Portal tab 24
System tab 26
Technical parameters 28
Physical dimensions 29
WiFi Radio 30
WiFi signal strength 30
Impact of device position vis-à-vis the transmitter 31
Supported interfaces 32
Dry contact inputs 32
RJ11 – 1-Wire bus 32
Active / Passive 1-Wire port 33
Sensor Hysteresis 33
Connecting STE2 to the SensDesk portal 34
Using the mobile phone app 39
Firmware upgrade in STE2 units 40

HW group
4STE2 – User Manual
STE2 – Basic features
STE2 is a thermometer with an Ethernet and WiFi interface, HTTPS support
and option of connection to the SensDesk portal.
STE2 is a device with HTTPS and SNMP support designated for measuring temperature and
humidity from external sensors, with the option of connection to the internet via classic cable or
WiFi. If the permitted range of values is exceeded, it allows the sending of an alarm via e-mail,
via the SensDesk portal or via SMS. Support of monitoring system is a matter of course and the
device is supplied with free HWg-PDMS software to create graphs and export data to MS Excel.
The packaging includes a power adapter and temperature sensor.

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Basic features
Basic features
• Contains classic Ethernet and WiFi – 802.11 b/g/n (2.4 GHz)
• Support of current Ethernet and WiFi operation (for easy configuration)
• 5V or PoE power supply
• Simple installation, supports DHCP
• Built-in WEB server with HTTPS support – no need for any software other than a standard
internet browser
• Can be connected to NMS (SNMP MIB)
• Support for simultaneous traffic to both HTTP and HTTPS with the option of disabling one or the
other protocol for security reasons
• Sends an e-mail if the temperature is too high / low
• Support of TLS authorisation (GMAIL)
• Password protected
• Supplied with Windows HWg-PDMS software for drawing graphs and exporting data to MS Excel
Application
A/C outages
Changes in temperature alert you to outages of the A/C cooling unit.
Heating monitoring
Remote monitoring of the heating system, alert via e-mail or SMS about the risk of freezing
(e-mail-2-SMS).
Monitoring of provided services
Using the provided HWg-PDMS software, you can easily create reports with temperature graphs
at one or several locations. You can have an overview of the quality of outsourced services.
Fridge and freezer monitoring
Sends an e-mail to alert you of refrigerator outages. Logging of operation and storage conditions.
Heating optimisation
Cost savings for heating andA/C.
Food storage
Monitors optimal storage conditions.
Protocols for HACCP can be created
using the application software.
LAN (WiFi)
3m

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6STE2 – User Manual
Connectors and wiring
Description of connectors
• Ethernet – Serves for internet connection via cable for operation in a classic computer network
and for configuration of operation on WiFi. The connector supports power supply from the
computer network via PoE.
• Temp/Humidity – Serves to connect up to 3 temperature or humidity sensors. The sensor length
may be up to 60 metres in each port.
• Power – Connector for 5V power supply in the case of power supply from an external adapter.
• Digital Inputs – Serves to connect sensors with digital output.
LED diodes on the front panel
• Link – A green LED signalises connectivity to the computer network.
• Activity – A yellow flashing LED signalises ongoing communication on the cable connection to
the computer network.
• WiFi – A blue LED signalises establishment of a connection to the WiFi connection point. When
establishing a connection, it signalises the state by flashing.
• Alarm LED – Two LEDs hidden in the Port1 and Port2 connectors. Shining LEDs indicate Alarm state.
• Alarm SENS – Shining LEDs signalises Alarm state on one of the temperature or humidity sensors.
• Alarm DI – Shining signalises Alarm state on one of the digital inputs.
Description of button function
• Reset – serves to restore factory settings on the device.
1. Switch the device off.
2. Press and hold the button.
3. Switch the device on and press the button for another 5 seconds.
4. All the LEDs will gradually light up.
5. Restart the device. Factory settings will be restored.
Power Jack
Reset
Power
5V
WiFi
DI1Port2
Alarm DI
Port1
Alarm SENS
DI2Ethernet
Temp/Humidity
WiFi LED
Reset Button
Alarm LED Digital Inputs
Link
Activity

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3m
Power
Adaptor 12V
Original
Power
Adaptor 5V
3m
3m
3m
LAN (WiFi)
3m
3m
Sensor connection options:
Smoke sensor connection:
Recommended connection
Recommended connection

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8
First start-up
First step
Cable connection
• Connect the device to the Ethernet (direct cable to the switch, crossed to PC).
• Connect the power adapter to the grid and connect it to the device power supply connector.
• The green LED in the Power & Mode RJ45 connector will light up.
• If connection to the Ethernet, is functional, the LINK (yellow) LED should light up shortly afterwards
and switch off during data transfer to the Ethernet (Activity signalisation).
• A quickly flashing yellow LINK LED signalises communication with the DHCP server.
Setting of the IP address - HWg-Config
The HWg-Config program is located in the main director on the enclosed CD (version for Windows
and Linux).
The program can be downloaded at www.HW-group.com Software -> HWg-Config.
• Click on the icon to launch the HWg-Config program – the program automatically searches for
connected devices.
• Launch the search by clicking on the Find Devices icon.
• The program searches for devices in your local network. Click on the MAC address of the device
to open the dialogue window for device settings.
1
2
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Set device network parameters:
• IP address/HTTP port (80 by standard)
• Your network ask
• IP address of your network gateway
• Device name (optional parameter)
Save the settings by clicking on Apply Changes.
Restore default settings:
• Right-click on the device MAC address. The default
values from the HWg-Config can be restored by
software mode during the first 60 settings after
start-up.
• Press the RESET button, hold it down and
connect the power source. Hold the button down
for another 5 seconds until all the LEDs light up.
Device website
Options of opening the website:
• Enter the device IP address in the browser window.
• Click on the IP address in the HWg-Config program.
• Click on the underlined IP address in the HWg-Config application.
First step
3
First start-up

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WWW interface
Home tab
Base Information section
• Device Name – The device name serves to distinguish specific devices in larger installations. Can
be set in the General Setup tab.
• Time – Current device time. The time can be set automatically from the internet or manually
in the Time tab. In the case of automatic setting, the correct value is the indicator of device
access to the internet.
• Date – Current device date. The date can be set automatically from the internet or manually
in the Time tab. In the case of automatic setting, the correct value is the indicator of device
access to the internet.
Sensors & Digital Inputs section
Lists the current values of sensors and digital DI inputs (Dry contacts)
• State – Input or sensor state.
• Normal – Idle state, all normal.
• Alarm High – Value exceeded the permitted upper limit.
• Alarm Low – Value dropped below lower bottom limit.
• Alarm – Digital input in the Alarm state (according to the Alarm Alert setting at the Digital
Inputs tab).
• Name – Sensor name for better identification in larger systems. The name can be set in the
Sensors or Digital Input tab.
• Type – Sensor type; indicates what type of sensor is in question (temperature /humidity / digital
input).
• Current Value – Current value including unit of measure.
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General Setup tab
General section
• Device Name – Device name (STE2), allow you to distinguish individual the device in the network.
• WWW Info Text – Text at the foot of the website.
• Temperature Unit – Unit for displaying temperature. You can choose between Celsius / Fahrenheit/
Kelvin. The Safe Range values will automatically be converted based on this option.
• Periodic Restart – Function to improve device stability in exposed networks allowing regular
automatic restart of the device.
Network section
Only the cable connection parameters (RJ-45) are set here. Wireless connection parameters
are set in the WiFi tab.
• DHCP – Permits the function of IP address setting by the DHCP server, if available. Enabling or
disabling DHCP depends on the needs of the user and network administrator.
• IP Address – IP address of the device, allocated by the network administrator.
• Network Mask – Network mask, allocated by the network administrator.
• Gateway – IP address of the default gateway, allocated by the network administrator.
• DNS Primary / DNS Secondary – IP address of the DNS server, allocated by the network administrator.
WWW interface

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• HTTP Port – Port number on which the built-in WWW server tunes in. A change of the port
number is suitable e.g. for multiple devices accessible from the external network via a router.
Consult the network administrator about potential changes. The default port is 80. You can turn
off HTTP support by setting the port value to 0.
• HTTPS Port – The port number on which the embedded Web server listens for the secure HTTPS
connection. Changing the port number is appropriate, for example, for multiple devices accesses
from the external network via the router. Contact your network administrator for any change. The
default port is 443. You can turn off HTTPS support by setting the port value to 0.
Device Admin section
• Username / Password – Username and password to secure access to the device.
STE2 – User Manual
Security tab
HTTPS Server Certificate files
Used to manage certificates needed for the HTTPS server. Allows you to upload or delete
apublic key, a private key, or a certificate of the certificate authority (CA) that has issued the
public key certificate.
Generate the SSL key and certificate
Generate a private SSL key and self-signed certificate for closed networks or testing purposes. The
generated certificate is self-signed and will be displayed as untrusted. Please add the certificate

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WiFi tab
When WiFi is off, only the enable option is shown:
All the options are available after enabling:
to the list of exceptions or use a certificate signed by a trusted certification authority. Please
note that the generated data will replace the SSLCertificateFile and the SSLCertificateKeyFile.
Generating the key can take up to 10 minutes. Do not restart the device and do not search for
sensors. Otherwise the key generation will be interrupted.
WWW interface

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WiFi modem state
• Disable – Wifi is disabled.
• Wait for power on – Waits for WiFi module when power on.
• Init – Initializing of WiFi module.
• Connecting – Connecting.
• SSID check – SSID check.
• Connected – Connected to selected WiFi network.
• Network WiFi scan – Scan of available WiFi networks.
• Wait for scan – Waits for Network wifi scan.
Information section
• Current SSID – Current name of the network to which the device is connected. If the parameter
is missing, the device is not connected to any WiFi network.
• Current BSSID – Current identifier of the WiFi network connection point. If the parameter is missing,
the device is not connected to any WiFi network.
• Current RSSI – Relative strength of signal input. The higher the RSSI, the stronger the signal.
• Signal Quality – Strength of WiFi signal in % with graphic indicator.
• Current Channel – WiFi channel on which the device communicates. If the parameter is missing,
the device is not connected to any WiFi network.
WiFi Setup section
• WiFi Enable – Enable or disable WiFi. By standard, the wireless interface is disabled. Device
restart follows enabling.
• SSID – Name of the WiFi network to which should be the device connected. If you do not know
your network name, use the Scan AP function at the bottom of the page.
• Password – Secured network password. If you do not know it, contact your network administrator.
• BSSID – Identifier of the WiFi network connection point (MAC address of the connection point).
Optional data.
Network section
WiFi network parameters. Only the wireless interface is set here. Cable Ethernet (RJ-45) is set
in the General Setup tab.
• DHCP – Permits the function of IP address setting by the DHCP server, if available. Enabling or
disabling DHCP depends on the needs of the user and network administrator.
• IP Address – IP address of the device, allocated by the network administrator.
• Network Mask – Network mask, allocated by the network administrator.
• Gateway – IP address of default gateway, allocated by the network administrator.
• DNS Primary / DNS Secondary – IP address of the DNS server, allocated by the network administrator.
WiFi Scan List
• SSID – Name of found WiFi network.
• BSSID – Connection point identifier (MAC address).
• Channel – WiFi channel on which the connection point operates.
• Security – Type of secured WiFi communication.
• Signal – Signal level in DB. The higher the value, the better. WARNING, -60 is more than -90! The
highlighted row indicates the currently connected AP.
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Scan AP
Connecting to found WiFi
• Click on the SSID of the found network to prefill WiFi setting and just enter the Password. The
BSSID remains empty. Standard setting. Reconnects automatically if AP is changed.
• Clicking on BSSID will prefill not only the network name (SSID), but also the MAC address of
the specific AP (BSSID). The device then connects to this AP and will not try to reconnect in the
case of aggregated networks.
WWW interface

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Sensor List section *
• State – Input or sensor state.
• Normal – Idle state, all normal.
• Alarm High – Value has exceeded permitted upper limit.
• Alarm Low – Value has dropped below permitted lower limit.
• ID – Sensor ID identical to ID in Poseidon2 and STE2 units.
• Type – Sensor type; determine what type of sensor is in question (temperature / humidity / DI
input).
• Name – Sensor name for better identification in larger systems. The name can be set in the
Sensors or Digital Input tab.
• Current Value – Current value including unit of measure.
• Safe Range – Range of permitted values. If the current value exceeds the Safe Range, an Alarm
is activated.
• Hysteresis – Defines the insensitivity zone if the limit values are exceeded; prevents the activation
of multiple alarms if the temperature oscillates around the limit value.
• Alarm Target – Specifies the targets for alarm alerts (SMS + E-mail). Target recipients are defined
at the Alarms tab. The drop-down menu allows selecting an existing set of targets or creating
a new one.
• Alarm Trigger Delay [s] – Delays the alarm start alert by a specified time.
• Code – Full ID of the 1-Wire sensor.
• Delete – Button to delete the specific sensor.
* Sensors in Alarm state are highlighted.
Sensors tab
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Sensor List section*
• ID – Indication of the input variable within the device.
• Current State – List of current input state (“0 (Off)” / “1 (On)”).
• Name – Input name in 12 characters (e.g. “2F left door”, “smoke section 1”).
• Alarm Alert – Definition of Alarm state for each input.
• Alarm Target – Specifies the targets for alarm alerts (SMS + E-mail). Target recipients are defined
at the Alarms tab. The drop-down menu allows selecting an existing set of targets or creating
a new one.
• Active if Close – Alarm active if the input is in state 1 (On).
• Active if Open – Alarm active in input is in state 0 (Off).
• Disabled – Input does not have a defined Alarm state.
• Alarm Trigger Delay [s] – Delays the alarm start alert by a specified time.
* DI inputs in Alarm state are highlighted.
Digital Inputs tab
WWW interface
Hysteresis
Hysteresis
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Legend
Temperature range: -15 .. +25 °C
Hysteresis: 5 °C
Alarm ON
Alarm OFF
25
T[°C]
t[s]
20
15
10
5
0
0
-5
-10
-15
-20
-25
Alarm
state
Hysteresis = 5 °C
None Hysteresis

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E-mail Settings
• SMTP Server – IP address or domain address of the SMTP server.
• SMTP Port – Port number on which the e-mail server tunes in – 25 by standard.
• Authentication – Enable authentication; check if the SMTP server requires authentication.
• Secure TLS mode – Check if the SMTP server requires secure communication via SSL/TLS.
• Username – Username for SMTP server authentication. If the Authentication field is not checked,
the content of this field is irrelevant.
• Password – Password for SMTP server authentication. If the Authentication field is not checked,
the content of this field is irrelevant.
• Importance – Sets priority of the e-mail message. Important for filtering and further processing
of alarm messages.
• FROM – Sender’s e-mail address, i.e. of the device. The address may be required by the SMTP
servers and can be used to identify the device or to filter and further process alarm messages.
• Subject of e-mail – The field content can be used to identify the device, or for filtering and further
processing of alarm messages.
Email Test Log section
In this section, the SMTP server settings can be tested. Click Test Email to send a test e-mail to the
specified Email address. The Debug log window shows the communication with the SMTP server.
E-mail tab
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SMS tab
With the Wifi turned off, only the power-on option is shown:
Remote SMS gateway
• Enable – Turns on the SMS sending function. For sending, the SMS alarm action must be set
at the sensor or input.
• SMS Gateway Address – IP address where “HWg-SMS-GW3” is located through which the device
will send SMS. It can be set including service - typically /service.xml
• Port – The TCP port on which the gateway listens.
• Username – User name for authorization in SMS GW.
• Password – Password for authorization in SMS GW.
• SMS + Ring When Alarm – Enables sending a SMS and then dialing the number.
SMS Test Log
In this section, the SMS gateway settings can be tested.
• Test SMS – Sends a test text message to the specified Phone number.
• Test Call – Dials the specified Phone number.
• Debug log window – Shows the communication with the SMS gateway.
WWW interface

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Alarms tab
Alarm targets are defined at this tab. Up to 2 sets of targets can be created; each set can contain
up to 2 addresses for e-mail alerts and 2 phone numbers for text message alerts andcalls. These
sets are then assigned to individual sensors and digital inputs. To create aset, click the + button
at the Alarms tab, or select Add new... when editing a sensor oradigital input.
Alarm Target
Set of targets. For clarity, the set can be given a custom name.
• Email list – E-mail addresses of alarm alert recipients. To send e-mails, the SMTP server must
be properly configured at the Email tab.
• Email address – Each field may contain only one e-mail address.
• SMS list – Phone numbers for text message alarm alerts. To send a message, the SMS gateway
must be properly configured at the SMS tab.
• Phone number – Each field may contain only one phone number.
• Call – When checked, the phone number is dialed after the text message is sent (anincoming
text alone can be easy to overlook).
STE2 – User Manual