Product Overview
- The SM61-IoT is an industrial data logger and communication gateway designed for IoT, SCADA, and distributed monitoring systems.
- It enables real-time data acquisition from Modbus devices, local archiving, and cloud/remote communication using MQTT and TCP/IP protocols.
- Ideal for smart factories, energy monitoring, environmental logging, and Industry 4.0 applications.
Key Features
- MQTT protocol for IoT cloud communication
- Modbus TCP for SCADA integration
- Built-in WWW server for live and historical data visualization
- Readout up to 2500 values
- Supports up to 100 slave devices (25 registers each)
- 8 GB internal Flash memory
- Built-in FTP server
- RTC (Real Time Clock)
- Alarm or binary input controlled archiving
- Multi-user simultaneous access
- Password protected user access
- Configuration software: SM61IoTCONFIG
Interfaces & Communication
| Interface | Function | Protocol | Speed |
|---|---|---|---|
| Port 1 | RS-485 / RS-232 | Modbus RTU | 1200–115200 bps |
| Port 2 | RS-485 | Modbus RTU | 1200–115200 bps |
| USB | Device configuration | — | up to 2 m cable |
| Ethernet 10/100 | Communication + config | MQTT, TCP/IP, HTTP, ICMP, DHCP, ARP, Modbus TCP | 10/100 Mbps |
Data Logging
- Internal memory: 8 GB Flash
- Local archiving of current & historical data
- Time-stamped records (RTC-based)
- FTP export support
Inputs / Outputs Options
Selectable:
- 2 Relay outputs OR
- 2 Binary outputs
Mechanical Specifications
| Parameter | Value |
|---|---|
| Mounting | DIN Rail 35 mm |
| Protection | IP40 (front) / IP20 (terminals) |
| Dimensions | 45 × 120 × 100 mm |
| Weight | < 0.25 kg |
| Operating Position | Any |
Power Supply:
- 20…40 VAC / 20…60 VDC
- Power consumption: < 4 VA
Environmental Conditions
| Parameter | Value |
|---|---|
| Operating Temp | 0…55°C |
| Storage Temp | −20…70°C |
| Humidity | < 95% (no condensation) |
| External Magnetic Field | < 400 A/m |
Safety & Compliance
- CAT III installation category
- EN 61010-1 safety
- EMC immunity: EN 61000-6-2
- EMC emissions: EN 61000-6-4
- Pollution grade 2
-
Max phase-earth voltage:
- 300V (supply circuits)
- 50V (other circuits)
Applications
- Energy monitoring
- SCADA systems
- Industrial automation
- Remote telemetry
- Environmental monitoring
- Smart factories / Industry 4.0
- Distributed IoT data collection
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