Product Overview
Technical Summary
| Product designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| Analog inputs | 8; Resistance thermometer |
| Rated supply voltage | 24 V |
| Typical current consumption | 40 mA |
| Backplane bus current consumption, typical | 80 mA at 5 V DC |
| Supported resistance thermometers | Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance input ranges | 150 Ω, 300 Ω, 600 Ω |
| Resolution with overrange | 15 bit; + sign |
| Interference voltage suppression | 85 dB at 50 / 60 / 400 Hz |
| Temperature error | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Protection degree | IP20 |
Key Features
- Product designation: SM 1231, AI 8×16 bit RTD.
- Analog inputs: 8 analog inputs for resistance thermometers.
- Rated supply voltage: 24 V DC.
- Supported resistance thermometers: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
- Input resistance ranges: 150 Ω, 300 Ω, and 600 Ω; 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms.
- Protection and diagnostics: IP20 protection, wire-break monitoring, supply-voltage monitoring, diagnostic alarms, and input-status LED indication.
Frequently Asked Questions
Which product designation is associated with 6ES7231-5PF32-0XB0?
The product designation is SM 1231, AI 8×16 bit RTD.
How many analog inputs does this module have?
It has 8 analog inputs for resistance thermometers.
What supply voltage and current values should be checked?
The rated supply voltage is 24 V DC, typical current consumption is 40 mA, and typical backplane bus current consumption is 80 mA at 5 V DC.
Which details should be checked when requesting a quotation?
Check the complete order number, required quantity, and destination.
