Description
Overview
Poseidon2 3266 is a compact, metal‑housed monitoring gateway that connects up to eight 1‑Wire / 1‑Wire UNI environmental sensors and four dry‑contact inputs to your LAN. Data are logged locally (250 000 records) and pushed to SensDesk, SCADA, or any MQTT‑enabled cloud. Alarms are raised by e‑mail, SNMP Trap or SMS/Ring (via HWg‑SMS‑GW3) the moment a value moves outside the safe band, and pulse counters on each digital input retain their counts even during power loss. Secure protocols (HTTPS, SNMP v3, IPv6) and broad software support make integration straightforward from a single cabinet to an enterprise estate.
Key features
– eight 1‑Wire / 1‑Wire UNI sensor channels plus two separate bus ports for simplified cabling – four digital inputs with 32‑bit S0 pulse counters, non‑volatile memory – embedded web server for quick setup, DHCP‑friendly – data logger holds 250 000 time‑stamped records, downloadable as CSV – instant alerts by e‑mail, SNMP Trap or SMS/Ring (with external gateway) – box‑to‑box actions: trigger relays on other Poseidon2 / Damocles2 units over the network – supports HTTPS, SNMP v1/v3, Modbus/TCP, MQTT, IPv6, Syslog and HWg‑Push – works with 50+ SCADA/NMS platforms and the free HWg‑PDMS and HWg‑Trigger utilities – 9–30 V DC supply (optional PoE), −30 °C to +85 °C operating range, IP40 metal enclosure
Typical applications
– rack or server‑room temperature and door monitoring – cold‑store and freezer compliance logging – utility sub‑metering with pulse outputs (gas, water, electric) – warehouse or pharmacy environment supervision – flood, smoke or motion detection via binary sensors – integration into smart‑city or building‑management dashboards through MQTT
Specifications
| item | value |
|---|---|
| sensor inputs | 8 × 1‑Wire / 1‑Wire UNI, 2 bus ports |
| digital inputs | 4 dry contact, 32‑bit S0 pulse counter each |
| on‑board logger | 250 000 records, FIFO |
| alarm destinations | 5 e‑mail, 5 SNMP Trap, 5 SMS/Ring |
| network | 10/100 Mbit LAN (RJ‑45) |
| protocols | HTTP/HTTPS, SNMP v1/v3, Modbus/TCP, MQTT, HWg‑Push, XML, Syslog, IPv6 |
| supply | 9–30 V DC (barrel jack or 2‑pin terminal), ≤ 250 mA; optional PoE |
| operating limits | −30 °C to +85 °C, 20 % RH to 80 % RH non‑condensing |
| dimensions / weight | 105 × 94 × 33 mm, 270 g |
| enclosure | IP40 powder‑coated steel, wall‑mount flanges |
| warranty | 24 months |
Software & services
– SensDesk cloud portal and SensDesk Mobile app (iOS / Android) – HWg‑Config discovery tool and HWg‑PDMS for Excel exports – HWg‑Trigger for SMS/Ring alerts via external GSM devices – open HWg‑SDK with examples for C, C#, Java, PHP and more
Ordering & availability
Poseidon2 3266 has been discontinued; Available while stock lasts. For new designs consider the new Perseus line, which offer the same sensor capacity with an updated platform.











5 Devices | 1 User | 30 Day Log | 1 Report









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