Technical Summary
| Product type designation | SM 1231 RTD 4x 16 bit |
|---|---|
| Analog inputs | 4; Resistance thermometer |
| Rated supply voltage | 24 V |
| Permissible supply voltage, lower limit | 20.4 V |
| Permissible supply voltage, upper limit | 28.8 V |
| Current consumption, typ. | 15 mA |
| Backplane bus current, typ. | 65 mA |
| Power loss, typ. | 0.6 W |
| Temperature measurement units | Degrees Celsius/degrees Fahrenheit |
| Resistance thermometer support | Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| Resolution with overrange, max. | 15 bit; + sign |
| Isolation tested with | 707 V DC (type test) |
Key Features
SM 1231 RTD 4x 16 bit
Product type designation: SM 1231 RTD 4x 16 bit.
Product type designation: SM 1231 RTD 4x 16 bit.
4 analog inputs
Analog inputs: 4; Resistance thermometer.
Analog inputs: 4; Resistance thermometer.
Pt100 and Pt1000 support
Supports resistance thermometers including Pt100 and Pt1000.
Supports resistance thermometers including Pt100 and Pt1000.
24 V DC supply
Rated value (DC): 24 V, with permissible range from 20.4 V to 28.8 V.
Rated value (DC): 24 V, with permissible range from 20.4 V to 28.8 V.
Diagnostics and alarms
Alarms, diagnostic alarm, diagnostics function, monitoring the supply voltage, and wire break detection are supported.
Alarms, diagnostic alarm, diagnostics function, monitoring the supply voltage, and wire break detection are supported.
Applications
RTD temperature measurement
Measurement of resistance thermometer signals from supported RTD sensor types.
Measurement of resistance thermometer signals from supported RTD sensor types.
Frequently Asked Questions
What is Siemens 6ES7231-5PD50-0XB0?
It is an SM 1231 RTD module for the SIMATIC S7-1200 G2 series.
How many inputs does 6ES7231-5PD50-0XB0 have?
It has 4 analog inputs for resistance thermometers.
Which RTD types are supported by 6ES7231-5PD50-0XB0?
Supported resistance thermometer types include Pt100, Pt1000, Pt10, Pt50, Pt200, Pt500, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, and LG-Ni1000.
What is the supply voltage for 6ES7231-5PD50-0XB0?
The rated supply voltage is 24 V DC, with a permissible range from 20.4 V to 28.8 V.
What is the maximum shielded cable length to the sensor?
The maximum shielded cable length is 100 m to the sensor.
