Product Description
Key Features
- Exact module identity: SM 1231, AI 8×16 bit TC module for SIMATIC S7-1200 G2; type J or K.
- Thermocouple inputs: 8 analog thermocouple inputs support J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
- Supply and consumption: Rated supply: 24 V DC, permissible range: 20.4 V to 28.8 V; typical current consumption: 15 mA.
- Measurement and configuration: Temperature measurement units are adjustable in degrees Celsius/degrees Fahrenheit; temperature compensation and integration time are parameterizable.
- Diagnostics and protection: IP20 protection, supply-voltage monitoring, wire-break diagnosis, DIAG LED, and isolation between channels and the electronics power supply.
- Lifecycle and physical data: Lifecycle: Active Product. Packaging dimensions: 150.00 x 47.00 x 110.00 mm; net weight: 0.171 kg.
Technical Summary
| Product type | SM 1231, AI 8×16 bit TC |
|---|---|
| Analog inputs | 8; Thermocouples |
| 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 |
| Input voltage range | -80 mV to +80 mV |
| IP degree of protection | IP20 |
| Lifecycle | Active Product |
Frequently Asked Questions
What exact order number should be verified for this module?
Verify Siemens order number 6ES7231-5QF50-0XB0 and the SM 1231, AI 8×16 bit TC designation on the installed part.
How many thermocouple inputs does 6ES7231-5QF50-0XB0 have?
It has 8 analog thermocouple inputs.
What supply voltage does this module require?
The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
Which thermocouple types are supported?
Supported types are J, K, T, E, R & S, B, N, C, and TXK/XK(L); the voltage range is ±80 mV.
