Product Description
Key Features
- Product type: SM 1231, AI 4×16 bit TC.
- Thermocouple inputs: 4 analog inputs for thermocouples J, K, T, E, R, S, N, C and TXK/XK(L); voltage range: ±80 mV.
- Supply and consumption: Rated supply: 24 V DC. Typical input current: 40 mA; typical current from backplane bus 5 V DC: 80 mA.
- Environmental design: Conformal coating with operation from -20 °C to 60 °C; IP20 protection.
- Temperature measurement: Measurement principle: integrating. Temperature measurement unit adjustable in degrees Celsius/degrees Fahrenheit.
- Diagnostics and connection: Diagnostic function, diagnostic alarm, supply-voltage monitoring, wire-break detection and a required front connector.
Applications
- Thermocouple temperature measurement: Measures temperature through 4 thermocouple inputs with adjustable degrees Celsius/degrees Fahrenheit units.
Technical Summary
| Product type | SM 1231, AI 4×16 bit TC |
|---|---|
| Based on | 6ES7231-5QD32-0XB0 |
| Rated supply voltage | 24 V DC |
| Number of analog inputs | 4; Thermocouples |
| Thermocouple input range | J, K, T, E, R, S, N, C, TXK/XK(L); voltage range: ±80 mV |
| Measurement principle | integrating |
| Resolution with overrange | 15 bit; + sign |
| Operating ambient temperature | -20 °C to 60 °C; start-up @ 0 °C |
| Protection | IP20 |
| Required connection | front connector |
Frequently Asked Questions
What should be confirmed when matching Siemens 6AG1231-5QD32-4XB0?
Confirm the complete order number, SM 1231, AI 4×16 bit TC designation and the required installed configuration.
How many thermocouple inputs does this module have?
It has 4 analog thermocouple inputs and supports J, K, T, E, R, S, N, C and TXK/XK(L).
What connector is required?
A front connector is required.
