Key Features
- Signal board for S7-1200 G2: SIMATIC S7-1200 G2, SB 1231 RTD, AI 2x RTD, Pt100 and Pt1000.
- 2 analog inputs: Number of analog inputs: 2; Resistance thermometer.
- Resistance thermometer support: Resistance thermometer: Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000.
- Diagnostics and alarms: Alarms: Yes. Diagnostics function: Yes; Can be read out. DIAG LED: Yes.
Technical Summary
| Product type designation | SB 1231, AI 2x 16-bit RTD |
|---|---|
| Number of analog inputs | 2; Resistance thermometer |
| Resistance thermometer support | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Input current from backplane bus 5 V DC, typ. | 20 mA |
| Power loss, typ. | 0.1 W |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Integration time, parameterizable | Yes |
| Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
| IP degree of protection | IP20 |
| Isolation tested with | 707 V DC (type test) |
| Diagnostics function | Yes; Can be read out |
Applications
- Resistance thermometer temperature measurement: For measuring temperature with resistance thermometers such as Pt100 and Pt1000.
Frequently Asked Questions
What is the exact Siemens model 6ES7231-5PB50-0XB0?
It is a SIMATIC S7-1200 G2 SB 1231 RTD signal board, designated SB 1231, AI 2x 16-bit RTD.
How many analog inputs does 6ES7231-5PB50-0XB0 have?
It has 2 analog inputs for resistance thermometer signals.
Which temperature sensor types are supported by this RTD module?
It supports Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What are the power and backplane bus requirements?
Input current from backplane bus 5 V DC, typ.: 20 mA. Power loss, typ.: 0.1 W.
What protection and diagnostics details are listed for this module?
IP degree of protection: IP20. Diagnostics function: Yes; Can be read out. DIAG LED: Yes.
