Product Overview
Technical Summary
| Product type | SB 1231, AI 1×16 bit RTD |
|---|---|
| Analog inputs | 1; Resistance thermometer |
| Supported RTD ranges | Pt 100; Pt 1000 |
| Rated supply value | 24 V DC |
| Current consumption, typ. | 5 mA |
| Backplane bus current, typ. | 20 mA at 5 V DC |
| Power loss, typ. | 0.5 W |
| Input resistance, Pt 100 | 100 Ω |
| Input resistance, Pt 1000 | 1 000 Ω |
Key Features
Product type designation: SB 1231, AI 1×16 bit RTD; 1 analog input for resistance thermometers.
Pt 100 and Pt 1000 input ranges are supported, with input resistances of 100 Ω and 1 000 Ω.
Rated supply value: 24 V DC.
Shielded, twisted-pair cable length: max. 100 m.
Alarms, diagnostic alarms, wire-break diagnosis, and input-status and maintenance LEDs are supported.
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-5PA30-0XB0?
It is an SB 1231 analog input with 1×16 bit RTD resolution designation.
Which RTD sensors does this line item support?
It supports Pt 100 and Pt 1000 resistance thermometers.
What supply value does the module have?
The rated supply value is 24 V DC.
Does it provide diagnostics for a wire break?
Yes. Wire-break diagnosis, diagnostic alarms, and status and maintenance LEDs are supported.
