Technical Summary
| Product type designation | SM 1231, AI 4×16 bit RTD |
|---|---|
| Based on | 6ES7231-5PD32-0XB0 |
| 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 |
| Number of analog inputs | 4; Resistance thermometer |
| Resistance thermometer | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| Diagnostic alarm | Yes |
| IP degree of protection | IP20 |
| Ambient temperature during operation, min. | -40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C |
| Ambient temperature during operation, max. | 70 °C |
| Conformal coating | Yes; Class 2 for high reliability |
| required front connector | Yes |
Key Features
4 analog inputs for resistance thermometers
SM 1231, AI 4×16 bit RTD with 4 analog inputs for resistance thermometer signals.
SM 1231, AI 4×16 bit RTD with 4 analog inputs for resistance thermometer signals.
SIPLUS version with conformal coating
Conformal coating for high reliability and protection against fouling.
Conformal coating for high reliability and protection against fouling.
Extended temperature range
-40…+70 °C operating temperature with start up -25 °C.
-40…+70 °C operating temperature with start up -25 °C.
24 V DC supply
Rated value (DC): 24 V.
Rated value (DC): 24 V.
IP20 protection
IP degree of protection: IP20.
IP degree of protection: IP20.
Applications
RTD signal acquisition
For reading resistance thermometer signals through 4 analog input channels.
For reading resistance thermometer signals through 4 analog input channels.
SIMATIC S7-1200 I/O expansion
For adding an analog input RTD module to a SIMATIC S7-1200 system.
For adding an analog input RTD module to a SIMATIC S7-1200 system.
Frequently Asked Questions
What is Siemens 6AG1231-5PD32-2XB0?
It is a SIPLUS S7-1200 SM 1231 RTD analog input module, 4xAI RTD, based on 6ES7231-5PD32-0XB0.
How many analog input channels does 6AG1231-5PD32-2XB0 have?
It has 4 analog inputs for resistance thermometer signals.
What supply voltage does 6AG1231-5PD32-2XB0 use?
Rated value (DC): 24 V.
What are the operating temperature limits for 6AG1231-5PD32-2XB0?
Operating temperature is -40…+70 °C, with start up -25 °C.
Does 6AG1231-5PD32-2XB0 require a front connector?
Yes, required front connector: Yes.
