Key Features
- Thermocouple analog input module: SM 1231, AI 8×16 bit TC for thermocouple signal acquisition.
- SIPLUS version with conformal coating: Based on 6ES7231-5QF32-0XB0 with conformal coating for the SIPLUS S7-1200 range.
- 4 thermocouple inputs: Number of analog inputs: 4; Thermocouples.
- Selectable thermocouple types: Thermocouple input support: J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV.
- Diagnostics support: Alarms: Yes. Diagnostics function: Yes; Can be read out. Diagnostic alarm: Yes.
Applications
- Thermocouple temperature signal acquisition: For reading thermocouple signals on 4 analog inputs.
- Temperature measurement in Degrees Celsius or degrees Fahrenheit: For temperature measurement with the technical unit adjustable to Degrees Celsius/degrees Fahrenheit.
Technical Summary
| Product type designation | SM 1231, AI 8×16 bit TC |
|---|---|
| based on | 6ES7231-5QF32-0XB0 |
| 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 | 4; Thermocouples |
| Thermocouple input support | J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Measurement principle | integrating |
| 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 |
| Smoothing of measured values | Yes |
| Diagnostics function | Yes; Can be read out |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is the Siemens 6AG1231-5QF32-4XB0 module used for?
It is an SM 1231, AI 8×16 bit TC analog input module for thermocouples.
How many analog inputs does 6AG1231-5QF32-4XB0 have?
It has 4 analog inputs for thermocouples.
Which thermocouple types are supported by this module?
It supports J, K, T, E, R & S, B, N, C, and TXK/XK(L), with a voltage range of ±80 mV.
What supply and power data are listed for the 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.
