Key Features
- 2 RTD analog inputs: Provides 2 analog inputs for resistance thermometer signals.
- Pt100 and Pt1000 support: Supports resistance-type transmitters including Pt100 and Pt1000.
- Diagnostics and alarms: Alarms, diagnostic alarm, diagnostics function, wire break detection, and DIAG LED for input status are supported.
- Compact signal board design: Packaging dimensions are 82,00 x 34,00 x 79,00 mm, with a net weight of 0,048 Kg.
- Low power loss: Power loss, typ.: 0.1 W.
Applications
- Temperature measurement with resistance thermometers: For acquiring temperature signals from resistance thermometers such as Pt100 and Pt1000 on 2 analog inputs.
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 |
| Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
| 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 |
| Smoothing of measured values | Parameterizable |
| Isolation tested with | 707 V DC (type test) |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is Siemens 6ES7231-5PB50-0XB0?
It is a SIMATIC S7-1200 G2 SB 1231 RTD signal board with 2 analog inputs for resistance thermometers.
Which resistance thermometer types does 6ES7231-5PB50-0XB0 support?
It supports Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What are the key electrical and signal specifications of this RTD module?
The module has 2 analog inputs, a 15 bit; + sign maximum resolution, 20 mA typical input current from the backplane bus 5 V DC, and 0.1 W typical power loss.
What installation and diagnostic details are provided for 6ES7231-5PB50-0XB0?
It has IP20 protection, 707 V DC type-test isolation, DIAG LED status indication, wire break detection, and a maximum shielded cable length of 100 m to the sensor.
