Technical Summary
| Product type designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| Based on | 6ES7231-5PF32-0XB0 |
| 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 |
| Temperature unit for measurement | Degrees Celsius/degrees Fahrenheit |
| Resistance thermometer support | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance 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 | -40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C |
| Ambient temperature during operation max. | 70 °C; = Tmax |
| Installation altitude above sea level, max. | 5 000 m |
Applications
Measurement of resistance thermometer signals on 8 analog inputs.
Key Features
Analog input module, SM 1231 RTD, 8xAI RTD module.
Conformal coating on the printed circuit board assemblies.
-40…+70 °C, with start up -25 °C.
IP20.
Active Product.
Frequently Asked Questions
What is Siemens 6AG1231-5PF32-2XB0?
It is a SIPLUS S7-1200 SM 1231 RTD analog input module, 8xAI RTD module.
How many analog inputs does 6AG1231-5PF32-2XB0 have?
It has 8 analog inputs for resistance thermometer signals.
What supply and current values are listed for this module?
Rated value (DC): 24 V. Current consumption, typ.: 40 mA. From backplane bus 5 V DC, typ.: 80 mA.
What are the operating temperature and protection details for 6AG1231-5PF32-2XB0?
Operating temperature is -40 °C to 70 °C, with start-up at -25 °C. IP degree of protection: IP20.
