Technical Summary
| Product type designation | SM 1231, AI 8×16 bit RTD |
|---|---|
| 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 | 8; 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 ranges | Yes; 150 Ω, 300 Ω, 600 Ω |
| 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 |
| IP degree of protection | IP20 |
| Product lifecycle | Active Product |
Applications
For measuring resistance thermometer signals through 8 analog inputs.
Key Features
SM 1231, AI 8×16 bit RTD.
Number of analog inputs: 8; Resistance thermometer.
Resistance-type transmitter support includes Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
Rated value (DC): 24 V.
Alarms, diagnostic alarm, monitoring the supply voltage, wire break, and diagnostics function can be read out.
IP degree of protection: IP20.
Frequently Asked Questions
What is Siemens 6ES7231-5PF32-0XB0?
It is a SIMATIC S7-1200 SM 1231 RTD analog input module.
How many analog inputs does 6ES7231-5PF32-0XB0 have?
It has 8 analog inputs.
What supply voltage does the 6ES7231-5PF32-0XB0 module use?
Rated value (DC): 24 V.
Which resistance thermometer types are supported by SM 1231, AI 8×16 bit RTD?
Supported types include Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What protection rating does the module have?
IP degree of protection: IP20.
