STE2 PLUS
€271.30
Professional SNMP thermometer for remote monitoring of environmental conditions
The HW group STE2 PLUS is a professional LAN and WiFi device for remote monitoring of sensors. External sensors with a total of up to 15 sensor values can be connected to the two RJ11 ports, and external detectors to 2 digital inputs (DI). For maximum security, the STE2 PLUS supports SNMPv3, HTTPS with custom certificates and IPv6.
As soon as a value is too high or too low (or e.g. a door is opened), an alarm is triggered – optionally by e-mail directly from the device (SMTP), as an SNMP trap or via the portal also by SMS, voice call and device failure alarm. Even without a portal, alarms can be sent via an external SMS gateway on the LAN. The sensor values are displayed in the device’s web interface, via API (SNMP or XML), in the portal or on a smartphone or tablet in the HWg Monitor app.
Up to 15 sensor values, 2 detectors and versatile connectivity in a compact device
The STE2 PLUS can be integrated into the network either via LAN (with PoE) or WiFi and combines classic sensor connections with professional IT interfaces.
2x RJ11 (1-Wire UNI)
Up to 15 sensor values in total; sensors can be daisy-chained. A physical sensor can provide several values (e.g. °C + %RH + VoC = 3 values).
2x digital input
Dry-contact inputs for detectors such as smoke detectors, door contacts, motion detectors, water detectors, mains voltage detection or vibration detectors.
LAN & WiFi
Connection via Ethernet (RJ45) or via WiFi (IEEE 802.11 b/g/n, internal antenna).
PoE support
Power supply optionally via Power over Ethernet (IEEE 802.3af, Class 0) or via the supplied 5V power supply (retail package).
8x virtual output (VDO)
Control of relay outputs of other devices on the network depending on the sensor value.
SNMPv3 / HTTPS / IPv6
Professional security features including SNMP traps, HTTPS with customer certificate and TLS for SMTP.
Individually selectable: retail package, base unit or bundle with SMS gateway
The STE2 PLUS is available in three variants. The desired variant must be selected before adding to the shopping cart.
Please note: The variants differ in the scope of delivery. Only the retail package and the bundle include accessories (temperature sensor or power supply); the “plain unit” base unit is supplied without sensor and without power supply. The variant is selected directly above the shopping cart.
Option 1 – STE2 PLUS (retail package)
Professional environmental monitoring in the retail package, including 3-metre temperature sensor (IP67) and international power supply (EU/UK/US). Features: 2x RJ11 (max. 15 sensor values), 2x DI, PoE, IPv6, SNMPv3, LAN, WiFi, HTTPS, TLS for SMTP, cloud.
Option 2 – STE2 PLUS plain unit
Base unit without accessories. Features: 2x RJ11 (max. 15 sensor values), 2x DI, PoE, IPv6, SNMPv3, LAN, WiFi, HTTPS, TLS for SMTP, cloud optional.
Option 3 – Bundle STE2 PLUS & SMS-GW3 LTE
The STE2 PLUS in the retail package for professional environmental monitoring, combined with the SMS-GW3 LTE: the LTE gateway can be used by the STE2 and other HWg products on the LAN for SMS and call alarms. The bundle includes 2 power supplies.
How the STE2 PLUS is built
The compact plastic housing (approx. 98 x 68 x 33 mm, W x H x D, approx. 91 g) is suitable for installation on a desk, on the wall or on a DIN rail, has IP40 protection class and is designed for SoHo and IT environments at operating temperatures of −10°C to 60°C (0–95% RH).
Compact plastic housing
Lightweight white housing for mounting on desk, wall or DIN rail, ideal for technical rooms, warehouses, offices and buildings.
Ethernet connection with PoE
An RJ45 port (10/100 Mbit) connects the device to the network via LAN and can also power it via Power over Ethernet (power consumption approx. 60 mA with PoE).
Integrated WiFi
As an alternative to LAN, the STE2 PLUS can be integrated via WiFi (IEEE 802.11 b/g/n); the WiFi antenna is built in. A status LED and a reset button are located on the housing.
Two RJ11 sensor ports (Port 1, Port 2)
Via two RJ11 ports (1-Wire UNI), sensors with a total of up to 15 sensor values can be connected. Sensors can be daisy-chained; an additional expander module (4xDI 1W-UNI) expands the number of digital contacts via the RJ11 interface.
Two terminals for digital inputs (DI)
Two 2-pin terminal blocks accept dry contacts from detectors such as smoke detectors, door contacts, motion detectors, water detectors or vibration detectors.
Power supply
Optionally via the barrel jack (5 V, Ø 3.5 x 1.35 mm, approx. 300 mA) with the included international power supply (retail package) or via PoE over the Ethernet port. For emergency power, a UPS (12V/5V) is optionally available.
Compatible with the extensive sensor portfolio from HW group
RJ11 sensors from HW group (1-Wire/1-Wire UNI) as well as dry-contact detectors can be connected to the two digital inputs.
- Temperature sensors (indoor, outdoor, cryo, calibrated; Pt1000)
- Relative humidity sensors (indoor and outdoor)
- CO₂ and VOC sensors
- Light sensor
- AC/DC current sensors
- Voltage sensors (0–230 V AC)
- 4–20 mA converter for industrial sensors (analogue input)
- Water detectors (point detection) and WLD Relay with external sensor cable
- Airflow, door, motion, gas and vibration detectors
- Mains voltage detection (110/230 V)
Multi-level notification for critical events
If a measured value leaves the defined safe range or a digital input changes its alarm state, the STE2 PLUS triggers various alarms depending on the configuration.
E-mail directly from the device
Up to 5 e-mail destinations via an SMTP server (incl. TLS). For long-term reliability, sending via the portal is recommended; public webmail servers (e.g. gmail.com) are not recommended.
SNMP trap
Up to 5 SNMP trap destinations for integration into professional IT monitoring systems, including SNMP v1 and v3.
SMS & voice call via SMS-GW3
Up to 5 SMS destinations via an external HWg-SMS-GW3 or SMS-GW3 LTE on the same LAN. One gateway can forward alarms from multiple devices – completely without a portal or software.
Alarm reminder
The Alarm Reminder regularly re-informs about the duration of an existing alarm state as long as it persists; periodic status messages are also possible.
Portal alarms
Via the portal additionally e-mail, SMS, voice calls, device failure alarm (Device Invalid) and simple alarm escalation via e-mail.
Virtual outputs (VDO)
Up to 8 virtual outputs switch external relays of other devices on the network depending on the sensor value.
Professional security and network functions
- SNMP v1 and v3 including SNMP traps
- HTTPS support with custom certificates (customer certificate)
- IPv6 support
- TLS encryption for SMTP (e-mail sending)
- Open M2M interfaces: SNMP, XML and HWg-Push (for portal connection)
- DHCP, SNTP time synchronisation and Syslog
From free cloud access to a professional portal
The STE2 PLUS can be connected to any SensDesk Technology portal. The portal consolidates device management, charts and alarms by e-mail, SMS or voice call; PDF reports are also available.
HWg-cloud.com
Free portal service for up to 20 devices per user account: central alarm overview, e-mail alarms, device failure alarm, simple alarm escalation (e-mail only), value graphs as well as switching of remote relays based on sensor values.
SensDesk Technology (paid)
As a cloud service (SaaS) or on-premise: e-mail, SMS and voice call alarms, multi-graphs with multi-year history, PDF reports, multi-user accounts and user API (SNMP or XML).
Portal provider
Portals from local portal providers based on SensDesk Technology are also available.
HWg Monitor app
Free mobile app for iOS and Android: displays all sensor values on one screen – via LAN or portal access – and can be used as a widget or as a wall display.
Further software
Integration into third-party software (including Nagios) and programming examples in the HWg-SDK; the device’s IP address can be determined with the Windows tool HWg-Config.
Commissioning in a few steps
Setup of the STE2 PLUS is performed entirely via the web browser.
- Place the device, mount it on the wall or on a DIN rail
- Establish power supply: 5V power supply (included with the retail package and the bundle) or PoE via the Ethernet port
- Connect the device to the network via LAN cable or WiFi
- Determine the device’s IP address with the Windows software HWg-Config
- Open the device’s integrated web interface in the browser
- Connect external sensors to the RJ11 ports and name them in the web interface (detectors to the DI terminals)
- Define alarms: Safe Range (min/max range) for each sensor or alarm state for the DI detectors
- Optional: set up e-mail destinations, SMS gateway (SMS-GW3) and the connection to HWg-cloud.com or a SensDesk portal
Why the STE2 PLUS is the right choice
LAN & WiFi
Flexible network connection with PoE option for easy installation.
15 sensor values
Wide variety of sensors on just 2 RJ11 ports thanks to daisy-chain.
Professional IT integration
SNMPv3, SNMP traps, XML, HTTPS with customer certificate and IPv6.
Alarm reminder
Repeated notifications as long as an alarm state persists.
Mobile control
Free HWg Monitor app for iOS and Android.
24-month warranty
According to the manufacturer with 24 months warranty from the date of purchase.
Practical application examples
- Remote monitoring of technical rooms and server rooms
- Pharmaceutical storage with reports from the portal
- Food storage (control of storage conditions, HACCP protocols with application software)
- Building environment monitoring
- Cooling and freezing unit monitoring (alarm in case of failure, logging of operating and storage conditions)
- Water ingress detection (point detection / sensor cable)
- Optimisation of heating and air conditioning (cost savings)
- Wine cellars, archives and museums
Practical example: In a pharmacy, the STE2 PLUS monitors the temperature in the medicine refrigerator with the included 3-metre temperature sensor; a door contact on the digital input reports an open door. If the temperature leaves the defined range, the device sends an e-mail and an SNMP trap. Via the portal, additional SMS and voice call alarms as well as PDF reports for documentation can be used. If the alarm state persists, the Alarm Reminder regularly reminds of it.
Frequently asked questions
What is the HW group STE2 PLUS and what is it used for?
The STE2 PLUS is a professional LAN and WiFi remote monitoring unit for environmental conditions with up to 15 sensor values and 2 digital inputs. It is suitable for technical rooms, pharmaceutical and food storage, cooling and freezing units, building monitoring and many other applications.
What variants are available and what distinguishes them?
There are three variants: the “STE2 PLUS” in the retail package (including 3-metre temperature sensor IP67 and international power supply), the “STE2 PLUS plain unit” as a pure base unit, and the bundle “STE2 PLUS & SMS-GW3 LTE”, which additionally includes an LTE gateway for SMS and call alarms. The variant is selected before adding to the shopping cart.
How many sensors can be connected?
Sensors with a total of up to 15 sensor values can be connected to the two RJ11 ports; the sensors can be daisy-chained. A physical sensor can measure several values (e.g. temperature + humidity = 2 values). In addition, 2 digital inputs are available for dry-contact detectors.
How is the STE2 PLUS powered and connected?
Power supply is optionally via a 5V power supply (barrel jack Ø 3.5 x 1.35 mm) or via Power over Ethernet (PoE). Network connection is possible via LAN (RJ45, 10/100 Mbit) or WiFi (IEEE 802.11 b/g/n). An international power supply is included with the retail package and the bundle, but not with the base unit (plain unit).
How are SMS or voice call alarms sent?
The STE2 PLUS does not have its own mobile modem. SMS and voice call alarms are possible either via an external gateway (HWg-SMS-GW3 or SMS-GW3 LTE) on the same LAN – neither a portal nor additional software is required for this – or via a portal. One gateway can forward alarms from multiple devices on the same network.
Can the STE2 PLUS also be operated without a portal?
Yes. The device displays its values in the integrated web interface, provides them via SNMP or XML and sends e-mail alarms directly via a configured SMTP server as well as SNMP traps. For long-term reliable e-mail alarming, however, the manufacturer recommends sending via the portal (HWg-cloud.com can be used free of charge for this).
What are virtual digital outputs (VDO)?
The STE2 PLUS has no own relay outputs, but can switch external relays of other devices on the network via up to 8 virtual digital outputs (VDO) depending on the sensor value. This allows e.g. fans or signal devices to be controlled.
Does the device store measured values itself?
The STE2 PLUS has no internal logger. Historical data, graphs and reports are available via the portal (HWg-cloud.com or SensDesk); current values can be retrieved in the web interface, via SNMP/XML and in the HWg Monitor app.
What security features does the device offer?
The STE2 PLUS supports SNMP v1 and v3 including SNMP traps, HTTPS with custom certificates, TLS for SMTP and IPv6.
Questions about the STE2 PLUS?
Our support team in Germany advises you free of charge on selection, sensors and configuration.
Network Specifications
• Ethernet: 10/100Mbit
• WiFi: IEEE 802.11bg
• IPv6: Yes
• DHCP: Yes
Protocols
• SNMP: v1 + v3
• SNMP Trap: Yes
• HTTP: Yes
• HTTPS: Yes
• XML: Yes
• SMTP: Yes
• SMTP TLS: Yes
• HWg-Push (SensDesk): Yes
• Net-GSM (SMS GW): Yes
• Syslog: Yes
Sensors
• 1-Wire sensor values: Max 15
• 1-Wire UNI: Yes
• DI (Digital Inputs): 2
• DO (Outputs): 8 VDO
• Virtual Digital Outputs: Yes
Alarms
• Email targets: 5
• Trap targets: 5
• SMS targets: 5
• Alarm reminder: Yes
• Periodic status: Yes
Power Supply and Dimensions
• Power supply: 5V / 300 mA
• Connector: Jack (barrel plug, inner 1.35 mm outer 3.5 mm)
• PoE: Yes
• PoE Current: 60 mA
• PoE Class: IEEE 802.3af Class 0
• Operation / Storage: -30°C to 60°C, 0% RH to 95% RH
• Weight: 91 g
• Dimensions: 98x68x33 mm
• Environment: SoHo, IT
• Installation: DIN rail, desktop, wall
• Protection rating: IP40
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Accessories
DB9 LapLink Cable 2m A LapLink cable (also known as Lablink or null-printer cable) is a cable used to connect two computers directly via a cable connection. Housing: Plastic Type: Cable
DIN-Rail Box Set A mounting kit for installing HW-group devices on a DIN rail. Applications and Use: Mounting kit for installing HW-group devices with metal housing on a DIN rail. Operating environment: -30°C - 85°C / 0%RH - 100%RH Storage environment: -30°C - 60°C / 5%RH - 95%RH Dimensions: 45 x 11 x 105 (W x H x D) / 22g
Mounting Kit Screw set for mechanical mounting Applications and Use: Screw set for mechanical fastening
Mounting Plate D Bracket for Ares and Poseidon2 Operating environment: -3°C - 85°C / 0%RH - 100%RH Storage environment: -30°C - 60°C / 5%RH - 95%RH Dimensions: 74 x 6 x 120 (W x H x D) / 58g Warranty: 24 months Wall mounting plate for Ares, Poseidon2 3266/68 and other products.
Mounting Plate E- 1U Rack (cabinet) mounting plate, 1U mounting for HW-group Ares and Poseidon2 devices Operating environment: -30°C - 85°C / 0%RH - 100%RH Storage environment: -30°C - 60°C / 5%RH - 95%RH Dimensions: 127 x 45 x 94 (W x H x D) / 137g Warranty: 24 months Rack (cabinet) mounting plate, 1U mounting for HW-group Ares, Poseidon2 3266/3268 and other products.
Mounting Plate L DIN Rail DIN rail mounting plate for Ares, Poseidon2 3268, and other products. Features: Metal housing Wall mounting Applications and Use: Profiles for metal-encapsulated HWg devices for wall mounting. Dimensions: 150 x 120 x 45 (W x H x D) / 65g Warranty: 24 months
Rack Shelf 1U A versatile solution for easy mounting of HW-group devices in 1U racks. Operating environment: -30°C - 85°C / 0%RH - 100%RH Storage environment: -30°C - 60°C / 5%RH - 95%RH Dimensions: 485 x 44 x 104 (W x H x D) / 597g Warranty: 24 months Housing: Metal Type: Wall mounting This shelf makes it easy to use devices in racks. You can even combine different 1U products and sensors.
Mounting Kit for Poseidon2 4002 and HWg-SMS-GW3 Applications and Use: Mounting kit for Poseidon2 4002 and HWg-SMS-GW3 Operating environment: -30°C - 85°C / 0%RH - 100%RH Storage environment: -30°C - 60°C / 5%RH - 95%RH Dimensions: 136 x 45 x 16 (W x H x D) / 165g Warranty: 24 months
I/O Controller
IP WatchDog
Software
Manufacturer information:
HW group s. r. o.
Rumunská 26
Prague, 120 00
Czech Republic
Phone: +420 222 511 918
Email: sales@hwg.cz
Responsible person:
Didactum® Security GmbH
Im Mühlenfeld 4
48163 Münster
Deutschland
Fon:
(+49) 250 19 71 63 54 / (+49) 171 33 11 577
Email: info@didactum-security.de
