Product Description
Key Features
- Product identity: SIMATIC S7-1200 SB 1231RTD analog input; product type designation: SB 1231, AI 1×16 bit RTD.
- RTD input: 1 analog input for resistance thermometers, including Pt100 and Pt1000.
- Rated supply: Rated supply voltage: 24 V DC.
- Resistance ranges: Supports 150 Ω, 300 Ω, and 600 Ω resistance ranges.
- Diagnostics: Has alarms, diagnostic alarms, readable diagnostics, wire-break detection, and input-status and maintenance LEDs.
Applications
- Temperature measurement: Measures temperature using platinum resistance thermometers, including Pt100 and Pt1000.
Technical Summary
| Product type | SB 1231, AI 1×16 bit RTD |
|---|---|
| Analog inputs | 1; Resistance thermometer |
| Supported RTDs | Pt100; Pt1000 |
| Rated supply voltage | 24 V DC |
| Resistance ranges | 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange, max. | 15 bit; + sign |
| Temperature error | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Diagnostics | Alarms; readable diagnostics; diagnostic alarm; wire break |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the exact order number?
The exact order number is 6ES7231-5PA30-0XB0.
Which resistance thermometers does this module support?
It supports Pt100 and Pt1000 resistance thermometers.
What supply voltage does the module require?
The rated supply voltage is 24 V DC.
What diagnostics are available?
It has alarms, readable diagnostics, diagnostic alarms, wire-break detection, and LEDs for input status and maintenance.
