Product information
Overview
Key Features
- RTD analog input: 1 analog input for resistance thermometers, including Pt100 and Pt1000.
- Supply and consumption: Rated supply voltage: 24 V DC. Current consumption: 5 mA typ.; backplane bus 5 V DC consumption: 20 mA typ.
- Supported input ranges: Supports resistance ranges of 150 Ω, 300 Ω and 600 Ω, plus Pt100, Pt1000, Pt200 and Pt500.
- Measurement resolution: Resolution with overrange: 15 bit including sign; the measurement principle is integrating.
- Diagnostics and cabling: Diagnostics function, diagnostic alarm, wire-break diagnosis and input-status LED are available. Maximum shielded cable length: 100 m with twisted pair.
Technical Summary
| Product type designation | SB 1231, AI 1×16 bit RTD |
|---|---|
| Analog inputs | 1; Resistance thermometer |
| Supported resistance thermometers | Pt100, Pt1000, Pt200 and Pt500 |
| Rated supply voltage | 24 V DC |
| Current consumption, typ. | 5 mA |
| Backplane bus consumption, typ. | 20 mA at 5 V DC |
| Resolution with overrange | 15 bit including sign |
| Measurement principle | integrating |
| Diagnostic functions | Diagnostic alarm, wire-break diagnosis and input-status LED |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the exact Siemens model and input type?
The exact model is 6ES7231-5PA30-0XB0, with product type designation SB 1231, AI 1×16 bit RTD and 1 resistance-thermometer analog input.
Which RTD and resistance ranges does this module support?
It supports Pt100, Pt1000, Pt200 and Pt500 resistance thermometers, as well as resistance ranges of 150 Ω, 300 Ω and 600 Ω.
What supply voltage and current consumption does it have?
The rated supply voltage is 24 V DC. Current consumption is 5 mA typ., and backplane bus consumption is 20 mA typ. at 5 V DC.
What information should I provide for an MRO or project quotation?
Provide the required quantity, destination and project-list context for a quotation request.
