Data Sheet

● Current
Yes; 4 to 20 mA, 0 to 20 mA
● Thermocouple
No
● Resistance thermometer
No
● Resistance
No
Input ranges (rated values), voltages
● -1.25 V to +1.25 V
Yes
● -10 V to +10 V
Yes
● Input resistance (-10 V to +10 V)
≥1 MOhm
● -2.5 V to +2.5 V
Yes
● Input resistance (-2.5 V to +2.5 V)
≥1 MOhm
● -5 V to +5 V
Yes
● Input resistance (-5 V to +5 V)
≥1 MOhm
Input ranges (rated values), currents
● 0 to 20 mA
Yes
● 4 mA to 20 mA
Yes
Analog value generation for the inputs
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign),
max.
15bit; + sign
● Integration time, parameterizable
Yes
● Interference voltage suppression for
interference frequency f1 in Hz
40 dB, DC to 60 V for interference frequency 50 / 60 Hz
Smoothing of measured values
● parameterizable
Yes
● Step: None
Yes
● Step: low
Yes
● Step: Medium
Yes
● Step: High
Yes
Errors/accuracies
Temperature error (relative to input range), (+/-) 25 °C ±0.1% / ±0.3% total measurement range
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-)
0.1%
● Current, relative to input range, (+/-)
0.1%
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Common mode voltage, max.
12V
Interrupts/diagnostics/status information
Alarms Yes
Diagnostics function Yes
Alarms
● Diagnostic alarm
Yes
Diagnostic messages
6ES7231-5ND32-0XB0 Subject to change without notice
Page 2/
4
09/13/2019 © Copyright Siemens