6ES7231-5ND32-0XB0

Data sheet 6ES7231-5ND32-0XB0 SIMATIC S7-1200, ANALOG INPUT, SM 1231, 4 AI, +/-10V, +/-5V, +/-2.5V, +/-1.25 OR 0-20MA/4-20 MA, 15 BIT + SIGN BIT Supply voltage Rated value (DC) ● 24 V DC Yes Input current Current consumption, typ. 65 mA from backplane bus 5 V DC, typ. 80 mA Power loss Power loss, typ. 1.8 W Analog inputs Number of analog inputs 4; Current or voltage differential inputs permissible input voltage for current input (destruction limit), max. ± 35 V permissible input voltage for voltage input (destruction limit), max. 35 V permissible input current for voltage input (destruction limit), max. 40 mA permissible input current for current input (destruction limit), max. 40 mA 6ES7231-5ND32-0XB0 Page 1/4 25.01.2016 Changes preserved © Copyright Siemens AG Cycle time (all channels) max. 625 µs Input ranges ● Voltage Yes; ±10V, ±5V, ±2.5V or ±1.25V ● Current Yes; 4 to 20 mA, 0 to 20 mA ● Thermocouple No ● Resistance thermometer No ● Resistance Yes 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) ≥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 ● 4 mA to 20 mA Yes Analog value generation 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 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 Yes Diagnostic functions Yes 6ES7231-5ND32-0XB0 Page 2/4 25.01.2016 Changes preserved © Copyright Siemens AG Alarms ● Diagnostic alarm Yes Diagnostic messages ● Monitoring the supply voltage Yes ● Wire-break Yes Diagnostics indication LED ● for status of the inputs Yes ● for maintenance Yes Degree and class of protection Degree of protection acc. to EN 60529 ● IP20 Yes Standards, approvals, certificates CE mark Yes CSA approval Yes FM approval Yes RCM (formerly C-TICK) Yes Marine approval ● Marine approval Yes Highest safety class achievable in safety mode ● SIL acc. to IEC 61508 none Ambient conditions Free fall ● Fall height, max. 0.3 m; five times, in dispatch package Ambient temperature during operation ● permissible temperature range -20 °C to +60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing ● min. -20 °C ● max. 60 °C Ambient temperature during storage/transportation ● 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 ● permissible range (without condensation) at 25 °C 95 % Extended ambient conditions Pollutant concentrations 6ES7231-5ND32-0XB0 Page 3/4 25.01.2016 Changes preserved © Copyright Siemens AG — SO2 at RH < 60% without condensation S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free Connection method required front connector Yes Mechanics/material Enclosure material (front) ● Plastic Yes Dimensions Width 45 mm Height 100 mm Depth 75 mm Weights Weight, approx. 180 g last modified: 22.01.2016 6ES7231-5ND32-0XB0 Page 4/4 25.01.2016 Changes preserved © Copyright Siemens AG