Product Overview
Technical Summary
| Product designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| Order basis | 6ES7231-5PF32-0XB0 |
| Analog inputs | 8; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Input resistance ranges | 150 Ω, 300 Ω, 600 Ω |
| Operating temperature | -20 °C to 60 °C; start-up at 0 °C |
| Protection rating | IP20 |
| Conformal coating | Yes; Class 2 for high reliability |
Key Features
- Product designation: SM 1231, AI 8×16 bit RTD module.
- Analog 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 voltage: 24 V DC.
- Conformal coating: Conformal coating for printed circuit board assemblies according to EN 61086, Class 2 for high reliability.
- Protection and dimensions: IP20; dimensions are 70 mm wide, 100 mm high, and 75 mm deep.
Frequently Asked Questions
What does Siemens order number 6AG1231-5PF32-4XB0 identify?
It identifies a SIPLUS S7-1200 SM 1231 RTD module with 8 analog resistance-thermometer inputs.
Which specifications distinguish this MLFB variant?
The listed variant has conformal coating, a 24 V DC rated supply, an operating temperature of -20 °C to 60 °C, and IP20 protection.
What should be checked before requesting a quotation?
Check the complete order number 6AG1231-5PF32-4XB0, the product designation SM 1231, AI 8×16 bit RTD, and the required quantity and destination.
