Key Features
- Thermocouple input module: SB 1231, AI 4x 16-bit TC with 4 analog inputs for thermocouples.
- Supported thermocouple types: Thermocouple input support for J, K, T, E, R & S, B, N, C, TXK/XK(L) to GOST.
- Diagnostics and alarms: Alarms, diagnostic alarm, diagnostics function, DIAG LED, and wire-break detection.
- Installation and protection details: Cable length, shielded, max. 100 m to the sensor, with IP20 degree of protection.
- Electrical and measurement data: Input current from backplane bus 5 V DC, typ. 20 mA and power loss, typ. 0.1 W.
Applications
- Thermocouple temperature acquisition: Reads 4 thermocouple inputs for temperature measurement.
- Sensor signal measurement for J, K, T, E, R & S, B, N, C, TXK/XK(L): Supports thermocouple signal input from the listed sensor types.
Technical Summary
| Product type designation | SB 1231, AI 4x 16-bit TC |
|---|---|
| Number of analog inputs | 4; Thermocouples |
| Thermocouple input types | J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Input current from backplane bus 5 V DC, typ. | 20 mA |
| Power loss, typ. | 0.1 W |
| Temperature measurement unit | Degrees Celsius/degrees Fahrenheit |
| Measurement principle | integrating |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Diagnostics function | Yes; Can be read out |
| Wire break | Yes |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is Siemens 6ES7231-5QD50-0XB0?
It is a SIMATIC S7-1200 G2 SB 1231 thermocouple signal board identified as AI 4x 16-bit TC.
How many thermocouple inputs does 6ES7231-5QD50-0XB0 have?
It has 4 analog inputs for thermocouples.
Which thermocouple types are supported by 6ES7231-5QD50-0XB0?
It supports J, K, T, E, R & S, B, N, C, and TXK/XK(L) thermocouple types.
What diagnostics are included on 6ES7231-5QD50-0XB0?
It includes alarms, a diagnostic alarm, diagnostics function that can be read out, a DIAG LED, and wire-break detection.
