Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SB 1231, AI 1×16 bit RTD |
| Analog inputs | 1; Resistance thermometer |
| Supported RTD types | Pt100, Pt1000, Pt200, Pt500 |
| Resistance ranges | 150 Ω, 300 Ω, 600 Ω; 0 to 150 ohms, 0 to 300 ohms, 0 to 600 ohms |
| Rated supply voltage | 24 V |
| Resolution with overrange | 15 bit; + sign |
| Measurement principle | integrating |
| Diagnostics | Alarms, readable diagnostics, diagnostic alarm, wire-break detection, input-status and maintenance LEDs |
| Required front connector | Yes |
Applications
- RTD temperature measurement: Measures temperature using Pt100, Pt1000, Pt200, and Pt500 resistance thermometers.
- Resistance measurement: Measures resistance using supported 150 Ω, 300 Ω, and 600 Ω ranges and 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms ranges.
- Input signal diagnostics: Provides wire-break detection, alarms, readable diagnostics, and LED indications for input status and maintenance.
Key Features
- RTD analog input: 1 analog input for resistance thermometers, including platinum Pt100, Pt1000, Pt200, and Pt500.
- Supported resistance ranges: Supports 150 Ω, 300 Ω, and 600 Ω resistance ranges, plus 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms.
- Resolution and measurement: Integrating measurement principle with 15 bit resolution with overrange, including sign; temperature units are adjustable between Degrees Celsius and Degrees Fahrenheit.
- Supply and current: Rated supply voltage: 24 V DC. Typical input current is 5 mA; typical current consumption from the backplane bus is 20 mA at 5 V DC.
- Diagnostics: Alarms, readable diagnostics, diagnostic alarm, wire-break detection, and input-status and maintenance LEDs are supported.
- Conformal coating and connection: Has conformal coating for high reliability and requires a front connector. Dimensions are 38 mm × 62 mm × 21 mm; weight is approximately 35 g.
Frequently Asked Questions
1. What RTD types does Siemens 6AG1231-5PA30-5XB0 support?
It supports Pt100, Pt1000, Pt200, and Pt500 platinum resistance thermometers.
2. How many analog inputs does this SB 1231 board have?
It has 1 analog input for resistance thermometers.
3. What supply voltage does the module require?
Its rated supply voltage is 24 V DC.
4. What diagnostics are available?
The board supports alarms, readable diagnostics, diagnostic alarms, wire-break detection, and LEDs for input status and maintenance.
5. What connection must be verified before inquiry?
A front connector is required.
