Product Overview
Technical Summary
| Product type | SM 1231, AI 8×16 bit TC |
|---|---|
| Analog inputs | 8; Thermocouples |
| Supported thermocouple types | J, K, T, E, R & S, B, N, C, TXK/XK(L) |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Voltage input range | -80 mV to +80 mV |
| Resolution with overrange | 15 bit; + sign |
| Diagnostics | Supply-voltage monitoring, wire break, alarms and DIAG LED |
| Protection | IP20 |
Key Features
The module has 8 analog thermocouple inputs and supports types J, K, T, E, R, S, B, N, C and TXK/TXK(L) to GOST.
Rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
Product type designation is SM 1231, AI 8×16 bit TC. Resolution with overrange is 15 bit including sign.
Temperature units are adjustable between degrees Celsius and degrees Fahrenheit; integration time, temperature compensation and measured-value smoothing are parameterizable.
The module provides supply-voltage monitoring, wire-break diagnostics, alarms, a DIAG LED and isolation between the channels and the electronics power supply.
The IP degree of protection is IP20. Packaging dimensions are 150.00 x 47.00 x 110.00 mm and net weight is 0.171 kg.
Frequently Asked Questions
What exact variant is 6ES7231-5QF50-0XB0?
It is a SIMATIC S7-1200 G2 SM 1231 TC analog input module with 8 thermocouple inputs and SM 1231, AI 8×16 bit TC designation.
Which thermocouple types does this module support?
It supports thermocouple types J, K, T, E, R, S, B, N, C and TXK/TXK(L) to GOST.
What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
What protection and cable length are specified?
The protection degree is IP20. Shielded cable length is 100 m to the sensor.
What should I provide for a quotation request?
Provide the requested quantity, destination, schedule context and any additional BOM lines for the quotation.
