Key Features
- 4 thermocouple analog inputs: Analog input module with 4; Thermocouples.
- SM 1231, AI 4×16 bit TC: Product type designation: SM 1231, AI 4×16 bit TC.
- Thermocouple input support: Supports J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV.
- Diagnostics and alarms: Alarms: Yes. Diagnostic alarm: Yes. Diagnostics function: Yes; Can be read out.
- Supply and protection data: Rated value (DC): 24 V. IP degree of protection: IP20.
Applications
- Thermocouple temperature measurement: Acquires temperature signals from thermocouples through 4 analog inputs.
- Diagnostics-based input monitoring: Supports alarm and diagnostic reading for input and supply monitoring.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit TC |
|---|---|
| Number of analog inputs | 4; Thermocouples |
| Thermocouple input support | Yes; J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV |
| 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 |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) | 0.5 % |
| Diagnostics function | Yes; Can be read out |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is Siemens 6ES7231-5QD32-0XB0?
It is a SIMATIC S7-1200 analog input module, SM 1231, AI 4×16 bit TC.
How many inputs does 6ES7231-5QD32-0XB0 provide?
It provides 4 analog inputs for thermocouples.
Which thermocouple types are supported by 6ES7231-5QD32-0XB0?
It supports J, K, T, E, R, S, N, C, and TXK/XK(L) thermocouples.
What power supply does the module use?
Rated value (DC): 24 V.
What diagnostics are available on this module?
Alarms are available, the diagnostic alarm is Yes, and the diagnostics function can be read out.
