Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1231, AI 4×16 bit RTD |
| Analog input channels | 4; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Supported resistance ranges | 150 Ω, 300 Ω, 600 Ω |
| Temperature measurement units | Degrees Celsius/degrees Fahrenheit |
| Resolution with overrange | 15 bit; + sign |
| Diagnostics | Supply-voltage monitoring, wire break, alarms, readable diagnostics |
| Protection degree | IP20 |
Key Features
- RTD input module: Product type designation: SM 1231, AI 4×16 bit RTD.
- Four RTD inputs: Has 4 analog inputs for resistance thermometers, including Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
- Resistance ranges: Supports 150 Ω, 300 Ω, and 600 Ω resistance ranges.
- Resolution and conversion: Resolution with overrange: 15 bit; + sign. Measurement principle: integrating. Integration time is not parameterizable.
- Diagnostics: Has alarms, readable diagnostics, diagnostic alarms, supply-voltage monitoring, wire-break detection, and LEDs for input status and maintenance.
- Supply and protection: Rated supply voltage: 24 V DC. Typical current consumption: 40 mA; typical power loss: 1.5 W. Protection degree: IP20.
Frequently Asked Questions
1. How many RTD inputs does the 6ES7231-5PD32-0XB0 have?
It has 4 analog inputs for resistance thermometers.
2. Which resistance thermometers are supported?
Supported types include Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
3. What supply voltage does the module require?
The rated supply voltage is 24 V DC.
4. What diagnostics are available?
It has supply-voltage monitoring, wire-break detection, alarms, readable diagnostics, and LEDs for input status and maintenance.
