Description
Perseus Industrial 310 is a scalable DIN rail LAN monitoring and control unit for industrial, infrastructure and environmental applications. It connects physical sensors, digital Inputs/Outputs, WLD (water leak detection) cables and third‑party meters via LAN or Modbus/RTU. With wide alerting options, open APIs and Portal support, it is ideal for professional remote monitoring and site automation.
Expandable architecture based on RTU and DIN rail expanders allows connection of multiple Inputs/Outputs in various combinations. It combines data from sensors, detectors, and meters with LAN-based devices. Local conditions, Lua scripting, and scheduler enable advanced automation and analysis.
Features:
- Scalable DIN‑rail architecture with RTU expanders
- Ethernet: RJ45 (100BASE‑T); built‑in web server
- 2× RJ11 ports for 1‑Wire UNI sensors
- RS‑485 Modbus‑RTU interface
- WLD‑L: Water Leak Detection (location or A/B zones)
- DI: 5× Digital Inputs (dry contact)
- DO: 2× Relay Outputs
- Alerts: SNMP, Email, SMS (via gateway)
- Open API: SNMP, XML, MQTT, Modbus/TCP, BACnet
- Security: HTTPS, SNMP v3, Radius (802.1X)
- Meters API (LAN): XML, SNMP, MQTT
- Data processing: Conditions, Virtual sensors, Scheduler
- Remote configuration via SensDesk Technology
Applications and Usage:
- Infrastructure and server room monitoring
- Warehouse and pharmaceutical storage
- Remote machine monitoring
- Telecom cabinet monitoring
- Greenhouse and agriculture
- Water leak detection and alarm systems
Technical Information
Measurement:
| Parameter | Value |
|---|---|
| Meters limit | 100 |
| Variables limit | 1000 |
| Inputs | 5× DI (Dry Contact) |
| Counters | ✅ |
| WLD Zone | 1 (2 detection zones) |
| Outputs | 2× Relays |
| Output load voltage | 50V |
| Output load current | 1000mA |
| 1‑Wire ports | 2 |
| RS‑485 ports | 1 |
Interface:
| Interface | Value |
|---|---|
| Ethernet | 10/100Mbit |
| WiFi | ❌ |
| Mobile networks | ❌ |
| 1‑Wire | ✅ |
| RS‑232 | ❌ |
| RS‑485 | ✅ |
Power and dimensions:
| Parameter | Value |
|---|---|
| Power supply (Jack/Terminal) | 12–30V / 500mA |
| Power supply (-48V) | -48V / 500mA |
| PoE | ✅ |
| Operating environment | -30°C – 65°C / 5–95%RH |
| Storage environment | -30°C – 65°C / 5–95%RH |
| Dimensions | 105 × 90 × 57 mm (W×H×D) |
| Weight | 207 g |
| Warranty | 24 months |
Type:
| Parameter | Value |
|---|---|
| Environment | Industrial, SoHo, IT |
| Installation | DIN |
| IP Rating | IP40 |
| Housing | Plastic |
Others:
| Feature | Value |
|---|---|
| Radius | ✅ |
| Scheduler | ✅ |
| Lua scripts | YES |
| Logger size | 32 MB |
| Configuration | Web |

Perseus Industrial 310 is a DIN rail device for environmental monitoring of an industrial environment. Up to 100 external meters (sensors) with 1000 values (variables) can be connected.
Within one DIN rail device there are useful 2 RJ11 ports for external 1W-UNI sensors, 5 DI ports (dry contacts), WLD-L: 1 zone for external Water Leak Detection at Location (WLD-L) sensing cable or 2 zones for external Water Leak Detection (WLD) sensing cable A/B, and 2 relay outputs. Perseus Industrial 310 can be powered from 9-30/48VDC or from PoE.
The combination of the RS-485 physical interface on the Perseus 310 and the Modbus/RTU Meters API allows data to be read from third party electricity meters, UPS or air conditioning products.
Perseus Industrial 310 has a WLD-L input and 2 relay outputs that can be controlled via the device’s interface or according to the value of a connected sensor or detector, for example to control air conditioning, ventilation or automatic doors.
Scalable RTU DIN-rail modularity
Perseus Industrial 310 starts with 5 Digital Inputs with S0 pulse counters and 2 DO (relay outputs). DIN rail RTU-Expanders can be added to scale the number of DI (dry contact digital input) and DO (relays standard digital output) according to the application in combination with the Perseus Industrial family units.
WLD-L: Water Leak Location
Perseus Industrial 310 includes a 4-pin WLD-L port for water leak detection. The port can be used in two modes:
- 1x WLD Type L location sensing cable zone
- 2x standard WLD Type A/B water leak detection cable zones
This allows the device to support both standard water leak detection and location-based leak detection in technical rooms, racks, warehouses and infrastructure sites.
Alerting options
Typical applications include remote infrastructure monitoring and alerting. From simple high temperature alerts to advanced alerts (2 out of 5 sensors exceeded limit or are inaccessible).
Mobile App can be used to display the status of all connected meters (LAN / Portal).
Standalone monitoring
- Email alert can be sent from the device (requires SMTP server)

- Switching DO relay based on defined sensor(s) values(s)
- Perseus Open API is available (SNMP, Modbus/TCP, MQTT, …)
Using Portal service (HWg-cloud.com):
Email alert can be sent from the Portal (higher long-term reliability)- Device Invalid (disconnected) alert is available from the Portal
- One value graph with short history is available
- Alarm escalation is available (email only)
- Remote relay output switching based on sensor
- Central alerts overview & management
- Free of charge service from HW manufacturer
Using paid Portal service (Portal providers):
- SensDesk Technology portal (SaaS or On-Premise)

- Email, SMS, Voice call alerts
- Multigraphs with several years of history
- User account API: SNMP or XML
- Reports (PDF)
- Multi-user accounts
Mobile App: HWg Monitor
- Android and iOS versions

- Device connection LAN: All HWg devices
- Device connection Portal: SensDesk.com + some Portal Providers
- All sensor values on one screen
- Mobile App can be used as sensor values display on the wall

Downloads
| Document | Download |
|---|---|
| First Steps | Download |
| User Manual | Download |
| Latest Firmware | Download |
| Declaration of Conformity (CE) | Download |










Email alert can be sent from the Portal (higher long-term reliability)







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