Product Overview
Applications
Measures temperature using resistance thermometers in degrees Celsius or degrees Fahrenheit.
Technical Summary
| Product type designation | SM 1231 RTD 4x 16 bit |
|---|---|
| Analog inputs | 4; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Supported resistance thermometers | Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance ranges | 150 Ω, 300 Ω, 600 Ω |
| Resolution | 15 bit; + sign |
| Diagnostics | Supply-voltage monitoring and wire-break detection: Yes |
| Protection rating | IP20 |
Key Features
4 analog inputs for resistance thermometers, including Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100 and LG-Ni1000.
Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
Supports resistance ranges of 150 Ω, 300 Ω and 600 Ω, plus 0 to 150 ohms, 0 to 300 ohms and 0 to 600 ohms.
Integrating measurement principle with 15 bit resolution including sign; integration time is parameterizable.
Provides alarms, readable diagnostics, diagnostic alarm, supply-voltage monitoring, wire-break detection and DIAG LED indication.
Shielded cable length: max. 100 m to the sensor. Protection rating: IP20.
Frequently Asked Questions
What is the exact product type of Siemens 6ES7231-5PD50-0XB0?
The product type designation is SM 1231 RTD 4x 16 bit.
How many RTD inputs does this module have?
It has 4 analog inputs for resistance thermometers.
What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
What configuration details should be included when requesting this line item?
Include the requested quantity, destination, schedule context and any additional BOM lines.
