Product Overview
Applications
The module supports temperature measurement with resistance thermometers.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit RTD |
|---|---|
| Analog inputs | 4; Resistance thermometer |
| Rated supply voltage | 24 V DC |
| Temperature measurement units | Degrees Celsius/degrees Fahrenheit |
| Supported resistance thermometers | Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Supported resistance ranges | 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange | 15 bit; + sign |
| Typical current consumption | 40 mA |
| Backplane bus current consumption | 80 mA at 5 V DC |
| Diagnostics | Alarms, readable diagnostics, supply-voltage monitoring and wire-break detection |
| IP degree of protection | IP20 |
Key Features
The module 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.
Rated supply voltage: 24 V DC. Typical current consumption is 40 mA, with 80 mA from the backplane bus at 5 V DC.
The technical unit for temperature measurement is adjustable between degrees Celsius and degrees Fahrenheit.
The module has alarms, readable diagnostics, supply-voltage monitoring, wire-break detection and IP20 protection.
Supported resistance ranges include 150 Ω, 300 Ω and 600 Ω.
Frequently Asked Questions
What is the exact product type of 6ES7231-5PD32-0XB0?
It is an SM 1231, AI 4×16 bit RTD module for SIMATIC S7-1200.
How many analog RTD inputs does the module have?
It has 4 analog inputs for resistance thermometers.
Which temperature units can be configured?
Degrees Celsius and degrees Fahrenheit can be configured.
What supply voltage does the module use?
The rated supply voltage is 24 V DC.
What should be included when requesting this line item for a project?
Include the exact order number, requested quantity, destination, schedule context and any additional BOM lines.
