Key Features
- SM 1231, AI 4×16 bit RTD: Analog input module for SIMATIC S7-1200 with 4 analog inputs for resistance thermometer signals.
- Rated value (DC): 24 V supply voltage.
- Number of analog inputs: 4; Resistance thermometer.
- Diagnostics: Alarms, diagnostic alarm, diagnostics function that can be read out, monitoring the supply voltage, and wire break detection.
- Protection degree: IP20.
Technical Summary
| Product type designation | SM 1231, AI 4×16 bit RTD |
|---|---|
| Rated value (DC) | 24 V |
| Number of analog inputs | 4; Resistance thermometer |
| Resistance thermometer support | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resistance input support | Yes; 150 Ω, 300 Ω, 600 Ω |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 50 / 60 / 400 Hz |
| Diagnostic alarm | Yes |
| IP degree of protection | IP20 |
Applications
- Resistance thermometer signal acquisition: Used for reading temperature signals from resistance thermometers on 4 analog input channels.
Frequently Asked Questions
What is Siemens 6ES7231-5PD32-0XB0?
It is an SM 1231, AI 4×16 bit RTD analog input module for SIMATIC S7-1200.
How many inputs does 6ES7231-5PD32-0XB0 have?
It has 4 analog inputs for resistance thermometer signals.
Which RTD types are supported by 6ES7231-5PD32-0XB0?
It supports Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What supply voltage does 6ES7231-5PD32-0XB0 use?
Rated value (DC): 24 V.
