Technical Summary
| Product type designation | SM 1231, AI 4×16 bit RTD |
|---|---|
| Module type | Analog input |
| Number of analog inputs | 4; Resistance thermometer |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 40 mA |
| From backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Resistance thermometer support | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Measurement principle | integrating |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Alarms | Yes |
| IP degree of protection | IP20 |
Applications
Analog input for 4 resistance thermometer signals.
Key Features
SM 1231, AI 4×16 bit RTD.
4 analog inputs for resistance thermometer signals.
Rated value (DC): 24 V; current consumption, typ.: 40 mA; from backplane bus 5 V DC, typ.: 80 mA; power loss, typ.: 1.5 W.
Alarms: Yes; diagnostics function: Yes, can be read out; diagnostic alarm: Yes; monitoring the supply voltage: Yes; wire break: Yes.
IP degree of protection: IP20.
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 analog inputs does 6ES7231-5PD32-0XB0 have?
It has 4 analog inputs for resistance thermometer signals.
What is the supply voltage for 6ES7231-5PD32-0XB0?
Rated value (DC): 24 V.
Which resistance thermometer types are supported by 6ES7231-5PD32-0XB0?
Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000 are supported.
What protection rating does 6ES7231-5PD32-0XB0 have?
IP degree of protection: IP20.
