Product Description
Key Features
- Exact product identity: SIPLUS S7-1200 SM 1231 RTD module, product type designation SM 1231, AI 8×16 bit RTD; based on 6ES7231-5PF32-0XB0.
- Resistance thermometer inputs: 8 analog inputs for resistance thermometers, including 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 current consumption: 40 mA; from backplane bus 5 V DC, typ. 80 mA.
- Temperature and protection: Ambient temperature during operation: -40 °C to 70 °C; start-up at -25 °C. IP degree of protection: IP20.
- Conformal coating and connection: Conformal coating for printed circuit board assemblies according to EN 61086, Class 2 for high reliability; required front connector: Yes.
Technical Summary
| Product type | SM 1231, AI 8×16 bit RTD |
|---|---|
| Based on | 6ES7231-5PF32-0XB0 |
| Analog inputs | 8; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Resolution with overrange | 15 bit; + sign |
| Operating ambient temperature | -40 °C to 70 °C; start-up at -25 °C |
| Protection | IP20 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact model and base code should be confirmed for this module?
Confirm product 6AG1231-5PF32-2XB0 and the supplied base code 6ES7231-5PF32-0XB0.
How many inputs does the SM 1231 RTD module have?
It has 8 analog inputs for resistance thermometers.
What supply voltage does this module require?
The rated supply voltage is 24 V DC.
What operating temperature range is supplied for this model?
The ambient operating range is -40 °C to 70 °C, with start-up at -25 °C.
What connection and protection details should be checked?
A front connector is required, and the IP degree of protection is IP20.
