Product Overview
Technical Summary
| Product type designation | SB 1231, AI 1×16 bit RTD |
|---|---|
| Analog inputs | 1; Resistance thermometer |
| Supported sensors | Pt100 and Pt1000 |
| Rated supply voltage (DC) | 24 V |
| Resolution with overrange | 15 bit; + sign |
| Analog outputs | 0 |
| Diagnostic functions | Alarms, diagnostic alarm, wire-break diagnosis, input-status and maintenance LEDs |
Key Features
- Product type designation: SB 1231, AI 1×16 bit RTD.
- RTD input: 1 analog input for resistance thermometers, including Pt100 and Pt1000.
- Supply voltage: Rated value (DC): 24 V.
- Input resistance ranges: Supported resistance values include 150 Ω, 300 Ω, 600 Ω, 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms.
- Resolution and conversion: Resolution with overrange: 15 bit; + sign. The measurement principle is integrating.
- Diagnostics: Alarms, diagnostic alarm, wire-break diagnosis, and input-status and maintenance LEDs are supported.
Frequently Asked Questions
What product does Siemens order number 6ES7231-5PA30-0XB0 identify?
It identifies a SIMATIC S7-1200 SB 1231RTD analog input with 1 AI RTD for Pt100 and Pt1000.
Which specifications distinguish this MLFB variant?
The supplied variant has a 24 V rated DC supply, 1 resistance-thermometer input, 15 bit resolution with overrange and + sign, and 0 analog outputs.
What code and nameplate details should be checked before inquiry?
Check the complete order number 6ES7231-5PA30-0XB0 and confirm the SB 1231, AI 1×16 bit RTD designation.
What information is needed for a quotation request?
Provide the required quantity and destination together with the complete order number.
