Technical Summary
| Product type designation | SM 1231, AI 4×16 bit TC |
|---|---|
| Product lifecycle | Active Product |
| Number of analog inputs | 4; Thermocouples |
| Supported thermocouple types | 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 |
| Common mode interference, min. | 120 dB |
| IP degree of protection | IP20 |
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
Applications
Acquires thermocouple signals on 4 analog inputs.
Key Features
SM 1231 TC, 4 AI thermocouples.
Number of analog inputs: 4; Thermocouples.
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.
Alarms: Yes; diagnostics function: Yes; diagnostic alarm: Yes; monitoring the supply voltage: Yes; wire break: Yes.
IP degree of protection: IP20; product lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 6ES7231-5QD32-0XB0?
It is a SIMATIC S7-1200 analog input module, SM 1231 TC, for 4 AI thermocouples.
How many thermocouple inputs does 6ES7231-5QD32-0XB0 have?
It has 4 analog inputs for thermocouples.
Which thermocouple types are supported by this module?
J, K, T, E, R, S, N, C, TXK/XK(L) thermocouples are supported, with voltage range: ±80 mV.
What is the supply requirement for 6ES7231-5QD32-0XB0?
Rated value (DC): 24 V.
What protection rating does this module have?
IP degree of protection: IP20.
