Product information
Overview
Key Features
- Thermocouple input capacity: 4 analog inputs for thermocouples; supported types include J, K, T, E, R, S, N, C and TXK/XK(L).
- Analog input range: Thermocouple voltage range: ±80 mV. Voltage input destruction limit: ±35 V maximum.
- Supply and consumption: Rated supply: 24 V DC. Typical current consumption: 40 mA; typical backplane bus consumption: 80 mA at 5 V DC.
- Measurement performance: Integrating measurement principle with 15 bit resolution including sign and 85 dB interference voltage suppression at 50 / 60 / 400 Hz.
- Diagnostics and protection: Has diagnostic alarms, supply-voltage monitoring, wire-break detection, input-status and maintenance LEDs, and IP20 protection.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit TC |
|---|---|
| Analog inputs | 4; Thermocouples |
| Thermocouple types | J, K, T, E, R, S, N, C, TXK/XK(L) |
| Thermocouple voltage range | ±80 mV |
| Rated supply voltage | 24 V DC |
| Resolution with overrange | 15 bit; + sign |
| Measurement principle | integrating |
| Typical current consumption | 40 mA |
| Typical backplane bus consumption | 80 mA at 5 V DC |
| Diagnostics | Diagnostic alarm, supply-voltage monitoring and wire-break detection |
| Protection | IP20 |
Frequently Asked Questions
What exact product is Siemens 6ES7231-5QD32-0XB0?
It is a SIMATIC S7-1200 SM 1231 TC analog input module, designated SM 1231, AI 4×16 bit TC.
How many thermocouple inputs does the module have?
It has 4 analog thermocouple inputs and supports J, K, T, E, R, S, N, C and TXK/XK(L).
What supply voltage does this analog input module require?
The rated supply voltage is 24 V DC.
Does it provide diagnostics for wiring and supply voltage?
Yes. It has diagnostic alarms, supply-voltage monitoring and wire-break detection.
What details should I include for a quotation request?
Send the required quantity, destination and project-list context for model-specific quotation support.
