Data Sheet

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Data sheet 6ES7231-5PD32-0XB0

SIMATIC S7-1200, Analog input, SM 1231 RTD, 4xAI RTD module

General information

Product type designation SM 1231, AI 4x16 bit RTD

Supply voltage

Rated value (DC) 24V

Input current

Current consumption, typ. 40mA

from backplane bus 5 V DC, typ. 80mA

Power loss

Power loss, typ. 1.5W

Analog inputs

Number of analog inputs 4; Resistance thermometer

permissible input voltage for voltage input

(destruction limit), max.

±35 V

Technical unit for temperature measurement

adjustable

Degrees Celsius/degrees Fahrenheit

Input ranges

● Voltage

● Current

6ES7231-5PD32-0XB0 Subject to change without notice

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Summary of content (4 pages)

PAGE 1
Data sheet 6ES7231-5PD32-0XB0 SIMATIC S7-1200, Analog input, SM 1231 RTD, 4xAI RTD module General information Product type designation SM 1231, AI 4x16 bit RTD Supply voltage Rated value (DC) 24 V Input current Current consumption, typ. 40 mA from backplane bus 5 V DC, typ. 80 mA Power loss Power loss, typ. 1.5 W Analog inputs Number of analog inputs 4; Resistance thermometer permissible input voltage for voltage input (destruction limit), max.
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● Thermocouple No ● Resistance thermometer Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 ● Resistance Yes; 150 Ω, 300 Ω, 600 Ω Input ranges (rated values), resistance thermometer ● Cu 10 Yes ● Input resistance (Cu 10) 10 Ω ● Ni 100 Yes ● Input resistance (Ni 100) 100 Ω ● Ni 1000 Yes ● Input resistance (Ni 1000) 1 000 Ω ● LG-Ni 1000 Yes ● Input resistance (LG-Ni 1000) 1 000 Ω ● Ni 120 Yes ● I
PAGE 3
● Interference voltage suppression for interference frequency f1 in Hz 85 dB at 50 / 60 / 400 Hz Errors/accuracies Temperature error (relative to input range), (+/-) 25 °C ±0.1%, to 55 °C ±0.2% total measurement range Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) 0.05 % Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency ● Common mode interference, min.
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● min. -40 °C ● max. 70 °C Air pressure acc. to IEC 60068-2-13 ● Operation, min. 795 hPa ● Operation, max. 1 080 hPa ● Storage/transport, min. 660 hPa ● Storage/transport, max. 1 080 hPa Relative humidity ● Operation at 25 ℃ without condensation, max. 95 % Pollutant concentrations ● SO2 at RH < 60% without condensation S02: < 0.5 ppm; H2S: < 0.