Technical Summary
| Product type designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| Based on | 6ES7231-5PF32-0XB0 |
| Supplied lifecycle | Active Product |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Number of analog inputs | 8; Resistance thermometer |
| Resistance thermometer input support | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance input support | Yes; 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression | 85 dB at 50 / 60 / 400 Hz |
| IP degree of protection | IP20 |
| Ambient temperature during operation | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
| Ambient temperature during operation max. | 60 °C; = Tmax |
| Installation altitude above sea level, max. | 5 000 m |
Applications
Reads resistance thermometer signals through 8 analog inputs.
Key Features
SM 1231, AI 8×16 bit RTD for SIPLUS S7-1200.
Based on 6ES7231-5PF32-0XB0 with conformal coating.
-20…+60 °C operating range.
8 analog inputs for resistance thermometer signals.
Active Product.
Frequently Asked Questions
What is Siemens 6AG1231-5PF32-4XB0?
It is a SIPLUS S7-1200 SM 1231 RTD module.
How many analog inputs does 6AG1231-5PF32-4XB0 have?
It has 8 analog inputs for resistance thermometer signals.
What supply and power figures are specified for this module?
Rated value (DC): 24 V. Current consumption, typ.: 40 mA. from backplane bus 5 V DC, typ.: 80 mA. Power loss, typ.: 1.5 W.
What temperature range is specified for 6AG1231-5PF32-4XB0?
Ambient temperature during operation: -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C. Ambient temperature during operation max.: 60 °C; = Tmax.
What mounting size and protection rating are listed?
Dimensions: Width 70 mm, Height 100 mm, Depth 75 mm. IP degree of protection: IP20.
