Product Overview
Technical Summary
| Product designation | SM 1231, AI 4×16 bit RTD |
|---|---|
| Analog inputs | 4; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Input resistance | 10 Ω to 1 000 Ω, according to the selected resistance thermometer |
| Resolution with overrange | 15 bit; + sign |
| Operating temperature | -40 °C to 70 °C; start up at -25 °C |
| Installation altitude above sea level, max. | 5 000 m |
| IP degree of protection | IP20 |
| Required front connector | Yes |
Key Features
- Product designation: SM 1231, AI 4×16 bit RTD; based on 6ES7231-5PD32-0XB0.
- Analog inputs: 4 analog inputs for resistance thermometers, including Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
- Supply and consumption: Rated supply voltage: 24 V DC; current consumption, typ.: 40 mA; backplane bus 5 V DC, typ.: 80 mA.
- Temperature and coating: Operation: -40 °C to 70 °C; start up at -25 °C; conformal coating: Yes.
- Protection and dimensions: IP20 protection; width 45 mm, height 100 mm, depth 75 mm; weight approx. 220 g.
Frequently Asked Questions
What product does Siemens 6AG1231-5PD32-2XB0 identify?
It identifies the SIPLUS S7-1200 SM 1231, AI 4×16 bit RTD module.
Which input variant distinguishes this exact code?
The module has 4 analog inputs for resistance thermometers and supports the listed Pt, Ni, Cu, and LG-Ni1000 types.
What supply and interface details should be checked?
Check the 24 V DC rated supply, 40 mA typical current consumption, 80 mA typical backplane bus current, and required front connector.
What details are needed for a quotation?
Provide the complete 6AG1231-5PD32-2XB0 code, required quantity, and destination.
