Key Features
- 4 thermocouple inputs: Analog inputs: 4; Thermocouples.
- 16-bit signal board: Product type designation: SB 1231, AI 4x 16-bit TC.
- Supported thermocouple types: Thermocouple: Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV.
- Diagnostics and alarms: Alarms: Yes. Diagnostics function: Yes; Can be read out. Diagnostic alarm: Yes. Wire break: Yes.
- Protection rating: IP degree of protection: IP20.
- Physical size and weight: Packaging dimensions L W H: 82,00 x 34,00 x 79,00 mm. Net weight: 0,045 Kg.
Technical Summary
| Product type designation | SB 1231, AI 4x 16-bit TC |
|---|---|
| Number of analog inputs | 4; Thermocouples |
| Thermocouple support | Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV |
| Voltage input range | -80 mV to +80 mV |
| Input resistance (-80 mV to +80 mV) | >= 10 MOhm |
| Input current from backplane bus 5 V DC, typ. | 20 mA |
| Power loss, typ. | 0.1 W |
| Measurement principle | integrating |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Temperature compensation | Parameterizable |
| IP degree of protection | IP20 |
Applications
- Thermocouple temperature measurement: For reading temperature signals from thermocouple sensors on 4 input channels.
Frequently Asked Questions
What is the exact Siemens model and product type of 6ES7231-5QD50-0XB0?
It is a SIMATIC S7-1200 G2 SB 1231 TC signal board with product type designation SB 1231, 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?
Supported types are J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
What are the key electrical and connection details for this signal board?
Input current from backplane bus 5 V DC, typ.: 20 mA. Power loss, typ.: 0.1 W. Cable length, shielded, max.: 100 m; to the sensor.
