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 |
| Resistance support | Yes; 150 Ω, 300 Ω, 600 Ω |
| Measurement principle | integrating |
| Resolution with overrange | 15 bit; + sign |
| Integration time | parameterizable |
| Interference suppression | 85 dB at 10 / 50 / 60 / 400 Hz |
| Repeat accuracy | 0.05 % |
| Power loss, typ. | 0.1 W |
| Input current from backplane bus 5 V DC, typ. | 20 mA |
| IP degree of protection | IP20 |
Key Features
SB 1231, AI 2x 16-bit RTD for the SIMATIC S7-1200 G2 family.
Provides 2 analog inputs for resistance thermometer signals.
Supports resistance thermometer types including Pt100 and Pt1000.
Alarms, diagnostic alarm, and diagnostics function can be read out.
DIAG LED is available for input status.
Applications
Measures temperature through resistance thermometer inputs such as Pt100 and Pt1000.
Acquires resistance signals from supported sensor types on the two analog inputs.
Frequently Asked Questions
What is 6ES7231-5PB50-0XB0 in the SIMATIC S7-1200 G2 range?
It is a SIMATIC S7-1200 G2 signal board identified as SB 1231, AI 2x 16-bit RTD.
How many analog inputs does 6ES7231-5PB50-0XB0 provide?
It provides 2 analog inputs for resistance thermometers.
Which resistance thermometer types are supported by 6ES7231-5PB50-0XB0?
Supported types include Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What are the electrical and protection details for 6ES7231-5PB50-0XB0?
Typical power loss is 0.1 W, typical input current from the backplane bus 5 V DC is 20 mA, and the IP degree of protection is IP20.
