Datasheet

Input ranges (rated values), voltages

-10 V to +10 V Yes

Input resistance (-10 V to +10 V) ≥9 MOhm

-2.5 V to +2.5 V Yes

Input resistance (-2.5 V to +2.5 V) ≥9 MOhm

-5 V to +5 V Yes

Input resistance (-5 V to +5 V) ≥9 MOhm

Input ranges (rated values), currents

0 to 20 mA Yes

Input resistance (0 to 20 mA) 280Ω

Thermocouple (TC)

Temperature compensation

Parameterizable No

Analog outputs

Number of analog outputs 0

Analog value creation

Integrations and conversion time/resolution per channel

Resolution with overrange (bit including sign), max. 12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

Basic error limit (operational limit at 25 °C)

Voltage, relative to input area, (+/-) 0.1%

Current, relative to input area, (+/-) 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

Alarms Yes

Diagnostic alarm Yes

Diagnostic messages

6ES7231-4HF32-0XB0

Page 2/ 05/21/2014

subject to modifications