Product Description
Key Features
- Product identity: SIMATIC S7-1200 SB 1231 TC analog input; product type designation: SB 1231, AI 1×16 bit TC.
- Thermocouple input: 1 analog input supports thermocouple types J, K, T, E, R & S, B, N, C, and TXK/XK(L).
- Supply and consumption: Rated supply voltage: 24 V DC. Typical current consumption: 5 mA; typical backplane bus consumption: 20 mA at 5 V DC.
- Signal range and resolution: Rated voltage range: -80 mV to +80 mV. Resolution with overrange: 15 bit; + sign.
- Diagnostics: Alarms and diagnostic functions are available; wire-break detection and input-status diagnostic LED are provided.
- Lifecycle status: Product lifecycle: Active Product.
Applications
- Thermocouple temperature measurement: Measures temperature using supported J, K, T, E, R & S, B, N, C, and TXK/XK(L) thermocouples.
Technical Summary
| Product type designation | SB 1231, AI 1×16 bit TC |
|---|---|
| Rated supply voltage | 24 V DC |
| Number of analog inputs | 1; Thermocouples |
| Thermocouple types | J, K, T, E, R & S, B, N, C, TXK/XK(L) |
| Rated voltage range | -80 mV to +80 mV |
| Resolution with overrange | 15 bit; + sign |
| Input resistance | ≥1 MOhm |
| Typical current consumption | 5 mA |
| Typical backplane bus consumption | 20 mA at 5 V DC |
| Diagnostic functions | Wire break: Yes; diagnostic function: Yes; alarms: Yes |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the exact order number and product type?
The exact order number is 6ES7231-5QA30-0XB0. The product type is SB 1231, AI 1×16 bit TC.
How many thermocouple inputs does it have?
It has 1 analog thermocouple input.
Which thermocouple types are supported?
Supported types are J, K, T, E, R & S, B, N, C, and TXK/XK(L).
What supply voltage does it use?
The rated supply voltage is 24 V DC.
