Key Features
- SIMATIC S7-1200 signal board: Analog input signal board, SB 1231 RTD, for the SIMATIC S7-1200 family.
- 1 RTD analog input: Provides 1 AI RTD for temperature measurement.
- Pt100 and Pt1000 support: Supports resistance thermometer input for Pt100 and Pt1000.
- 1 x 16 bit RTD resolution: Product type designation: SB 1231, AI 1×16 bit RTD.
- 24 V DC supply: Rated value (DC): 24 V.
- Diagnostics and alarms: Alarms, diagnostic alarm, diagnostics function, wire break detection, and input status LEDs are included.
Technical Summary
| Product type designation | SB 1231, AI 1×16 bit RTD |
|---|---|
| Rated value (DC) | 24 V |
| Number of analog inputs | 1; Resistance thermometer |
| Pt 100 | Yes |
| Pt 1000 | Yes |
| Input resistance (Pt 100) | 100 Ω |
| Input resistance (Pt 1000) | 1 000 Ω |
| Input resistance (Pt 200) | 200 Ω |
| Input resistance (Pt 500) | 500 Ω |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Diagnostic alarm | Yes |
Applications
- Temperature measurement from RTD sensors: For measuring temperature with Pt100 and Pt1000 resistance thermometers.
- Resistance measurement: For reading 150 Ω, 300 Ω, and 600 Ω resistance signals.
Frequently Asked Questions
What is the exact Siemens model for this RTD signal board?
The exact model is 6ES7231-5PA30-0XB0.
How many analog inputs does 6ES7231-5PA30-0XB0 provide?
It provides 1 analog input for a resistance thermometer.
Which RTD types does this module support?
It supports Pt100 and Pt1000.
What is the supply rating for 6ES7231-5PA30-0XB0?
Rated value (DC): 24 V.
What diagnostics are available on this RTD module?
It includes alarms, a diagnostic alarm, diagnostics function, wire break detection, and status LEDs for the inputs and maintenance.
