Key Features
- 8 analog inputs for RTD signals: SM 1231, AI 8×16 bit RTD with 8 analog inputs for resistance thermometer inputs.
- Conformal coating: Printed circuit board assemblies with conformal coating, Class 2 for high reliability.
- Temperature range: Operating temperature: -20…+60 °C.
- Diagnostics and alarms: Alarms, diagnostic alarm, diagnostics function that can be read out, monitoring of supply voltage, and wire break detection.
- IP20 protection: Degree of protection: IP20.
Applications
- Temperature measurement from resistance thermometers: For acquiring resistance thermometer signals on the 8 analog inputs.
Technical Summary
| Product type designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| based on | 6ES7231-5PF32-0XB0 |
| 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 |
| Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
| Resistance thermometer | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance | Yes; 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 50 / 60 / 400 Hz |
Frequently Asked Questions
What is the Siemens 6AG1231-5PF32-4XB0 used for?
It is an SIPLUS S7-1200 SM 1231 RTD analog input module for 8 resistance thermometer inputs.
How many analog inputs does 6AG1231-5PF32-4XB0 provide?
It provides 8 analog inputs.
What supply voltage does the module require?
Rated value (DC): 24 V.
What protection and temperature range are specified for this module?
Degree of protection: IP20. Operating temperature: -20…+60 °C.
