Product Overview
Technical Summary
| Product designation | SB 1231, AI 1×16 bit TC |
|---|---|
| Analog inputs | 1; Thermocouples |
| Thermocouple types | J, K, T, E, R & S, B, N, C, TXK/XK(L) |
| Voltage range | -80 mV to +80 mV |
| Rated supply voltage | 24 V |
| Input resolution | 15 bit with overrange, including sign |
| Input signal resistance | ≥1 MOhm for -80 mV to +80 mV |
| Diagnostics | Alarms, diagnostics function, diagnostic alarm, wire break, and input-status LED |
Key Features
- Product designation: SB 1231, AI 1×16 bit TC.
- Analog input: 1 analog input for thermocouples.
- Thermocouple support: Supports types J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
- Rated supply: 24 V DC.
- Input resolution: 15 bit with overrange, including sign.
- Diagnostics: Alarms, diagnostics function, diagnostic alarm, wire-break detection, and input-status LED are available.
Applications
- Temperature measurement: Measures temperature with supported thermocouples in degrees Celsius or degrees Fahrenheit.
Frequently Asked Questions
What product does 6ES7231-5QA30-0XB0 identify?
It identifies the Siemens SIMATIC S7-1200 SB 1231 TC analog input module with 1 16-bit thermocouple input.
Which specifications distinguish this exact module variant?
The distinguishing specifications are 1 thermocouple input, support for J, K, T, E, R & S, B, N, C, and TXK/XK(L), a -80 mV to +80 mV voltage range, and 15-bit resolution with overrange including sign.
What supply and signal details should be checked on the nameplate?
Check the complete code 6ES7231-5QA30-0XB0, the 24 V DC rated supply, the SB 1231 designation, and the thermocouple input details.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
