Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SM 1231, AI 4×16 bit RTD |
| Analog inputs | 4; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Typical input current | 40 mA |
| Backplane bus current, typical | 80 mA at 5 V DC |
| Supported resistance range | 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange | 15 bit; + sign |
| Measurement principle | integrating |
| Interference voltage suppression | 85 dB at 50 / 60 / 400 Hz |
| Diagnostics | Alarms, readable diagnostics, supply-voltage monitoring and wire-break monitoring |
| Isolation test | 750 V DC (type test) and according to EN 50155 (routine test) |
| Protection degree | IP20 |
Applications
- Resistance-temperature measurement: Measures temperature with supported Pt, Ni and Cu resistance thermometers.
Key Features
- 4 analog RTD inputs: SM 1231 module with 4 analog inputs for resistance thermometers.
- Supported resistance thermometers: Supports Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100 and LG-Ni1000.
- Rated supply and consumption: Rated supply voltage: 24 V DC. Typical input current: 40 mA; typical backplane bus current at 5 V DC: 80 mA.
- Resolution and conversion: Resolution with overrange: 15 bit; + sign. Measurement principle: integrating. Integration time is not parameterizable.
- Diagnostics and isolation: Has alarms, readable diagnostics, diagnostic alarm, supply-voltage monitoring, wire-break monitoring and input-status and maintenance LEDs. Isolation is tested with 750 V DC (type test).
- Rail-based installation: Requires a front connector. Dimensions: 45 mm × 100 mm × 75 mm. Protection degree: IP20.
Frequently Asked Questions
1. What input type does the 6AG2231-5PD32-1XB0 use?
It has 4 analog inputs for resistance thermometers.
2. Which resistance thermometers are supported?
It supports Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100 and LG-Ni1000.
3. What supply does the module require?
The rated supply voltage is 24 V DC.
4. What diagnostics are available?
It has alarms, readable diagnostics, supply-voltage monitoring, wire-break monitoring and LEDs for input status and maintenance.
5. What connection and mounting details should be verified?
The module requires a front connector and has dimensions of 45 mm × 100 mm × 75 mm with IP20 protection.
