Product Overview
Technical Summary
| Product type designation | SB 1231, AI 4x 16-bit TC |
|---|---|
| Analog inputs | 4; Thermocouples |
| Thermocouple input range | -80 mV to +80 mV |
| Input resistance | >= 10 MOhm |
| Input current | 20 mA from backplane bus 5 V DC, typical |
| Power loss | 0.1 W |
| Protection degree | IP20 |
| Product lifecycle | Active Product |
Key Features
- Product type designation: SB 1231, AI 4x 16-bit TC.
- Analog inputs: 4 thermocouple inputs.
- Thermocouple input types: Supports J, K, T, E, R & S, B, N, C, and TXK/XK(L); voltage range: ±80 mV.
- Input current: 20 mA from the backplane bus at 5 V DC, typical.
- Input resistance: >= 10 MOhm for the -80 mV to +80 mV input range.
- Protection degree: IP20.
Frequently Asked Questions
What product does Siemens order number 6ES7231-5QD50-0XB0 identify?
It identifies the SIMATIC S7-1200 G2 SB 1231 TC analog input board, designated SB 1231, AI 4x 16-bit TC.
Which specifications distinguish this exact module variant?
The supplied variant has 4 thermocouple inputs and supports type J or K in the product description. The input ranges also list J, K, T, E, R & S, B, N, C, and TXK/XK(L), with a voltage range of ±80 mV.
What code and nameplate details should be checked before inquiry?
Check the complete order number 6ES7231-5QD50-0XB0 and the product designation SB 1231, AI 4x 16-bit TC.
What information is needed for a quotation?
Provide the complete order number, required quantity, and destination.
