Key Features
- Thermocouple input module: SM 1231, AI 8×16 bit TC for thermocouple input tasks.
- Conformal coating: Supplied with conformal coating.
- Temperature range: -20…+60 °C.
- Base model: based on 6ES7231-5QF32-0XB0.
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 range | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| 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 |
| IP degree of protection | IP20 |
| required front connector | Yes |
Applications
- Thermocouple temperature measurement: Temperature measurement using thermocouple signals.
Frequently Asked Questions
What is the exact model of this Siemens module?
6AG1231-5QF32-4XB0, a SIPLUS S7-1200 SM 1231 TC 8 AI.
What thermocouple signals does the module support?
It supports thermocouple input with J, K, T, E, R & S, B, N, C, and TXK/XK(L), with a voltage range of ±80 mV.
What are the supply and current specifications for 6AG1231-5QF32-4XB0?
Rated value (DC): 24 V. Current consumption, typ.: 40 mA. From backplane bus 5 V DC, typ.: 80 mA.
