Technical Summary
| Product type designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| Based on | 6ES7231-5PF32-0XB0 |
| Number of analog inputs | 8; Resistance thermometer |
| Resistance thermometer input ranges | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 40 mA |
| Power loss, typ. | 1.5 W |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Measurement principle | integrating |
| IP degree of protection | IP20 |
| Ambient temperature during operation | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
Key Features
SIPLUS S7-1200 module
SM 1231 RTD 8AI module for the SIPLUS S7-1200 category.
SM 1231 RTD 8AI module for the SIPLUS S7-1200 category.
8 analog inputs
Number of analog inputs: 8; Resistance thermometer.
Number of analog inputs: 8; Resistance thermometer.
RTD input support
Resistance thermometer input ranges: Yes; Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000.
Resistance thermometer input ranges: Yes; Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000.
Conformal coating
Conformal coating for high-reliability protection.
Conformal coating for high-reliability protection.
Operating temperature range
Ambient temperature during operation: -20 °C to 60 °C.
Ambient temperature during operation: -20 °C to 60 °C.
Applications
Resistance thermometer temperature measurement
Temperature measurement using resistance thermometers on 8 analog inputs.
Temperature measurement using resistance thermometers on 8 analog inputs.
RTD signal acquisition in an S7-1200 I/O system
Acquisition of RTD input signals as part of a SIPLUS S7-1200 module setup.
Acquisition of RTD input signals as part of a SIPLUS S7-1200 module setup.
Frequently Asked Questions
What is Siemens 6AG1231-5PF32-4XB0?
It is a SIPLUS S7-1200 SM 1231 RTD 8AI analog input module.
How many analog inputs does 6AG1231-5PF32-4XB0 have?
It has 8 analog inputs.
What supply voltage does 6AG1231-5PF32-4XB0 use?
Rated value (DC): 24 V.
What are the operating temperature limits for 6AG1231-5PF32-4XB0?
Ambient temperature during operation is -20 °C to 60 °C.
