6ES7231-5QF32-0XB0

Data sheet 6ES7231-5QF32-0XB0 SIMATIC S7-1200, ANALOG INPUT, SM 1231 TC, 8 AI THERMOCOUPLE Supply voltage Rated value (DC) ● 24 V DC Yes 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 8; Thermocouples permissible input voltage for current input (destruction limit), max. ± 35 V Technical unit for temperature measurement adjustable Degrees Celsius/degrees Fahrenheit Input ranges ● Voltage Yes ● Current No ● Thermocouple Yes; J, K, T, E, R & S, B, N, C, TXK/XK(L); voltage range: ±80 mV 6ES7231-5QF32-0XB0 Page 1/4 25.01.2016 Changes preserved © Copyright Siemens AG ● Resistance thermometer No ● Resistance No Input ranges (rated values), voltages ● -80 mV to +80 mV Yes ● Input resistance (-80 mV to +80 mV) >= 1 MOhm Input ranges (rated values), thermocouples ● Type B Yes ● Type C Yes ● Type E Yes ● Type J Yes ● Type K Yes ● Type N Yes ● Type R Yes ● Type S Yes ● Type T Yes ● Type TXK/TXK(L) to GOST Yes Thermocouple (TC) ● permissible input voltage for voltage input (destruction limit), max. +-35 V Temperature compensation — parameterizable No Analog value generation Measurement principle integrating Integration and conversion time/resolution per channel ● Resolution with overrange (bit including sign), max. 15 bit; + sign ● Integration time, parameterizable No ● Interference voltage suppression for interference frequency f1 in Hz 85 dB at 50 / 60 / 400 Hz Analog value generation (in isochronous mode) Smoothing of measured values ● Parameterizable Yes 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 area), (+/-) 0.5 % Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency ● Common mode interference, min. 120 dB Interrupts/diagnostics/status information Alarms Yes Diagnostic functions Yes; Can be read out 6ES7231-5QF32-0XB0 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 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 — SO2 at RH < 60% without condensation S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free Connection method 6ES7231-5QF32-0XB0 Page 3/4 25.01.2016 Changes preserved © Copyright Siemens AG required front connector Yes Mechanics/material Enclosure material (front) ● Plastic Yes Dimensions Width 45 mm Height 100 mm Depth 75 mm Weights Weight, approx. 220 g last modified: 22.01.2016 6ES7231-5QF32-0XB0 Page 4/4 25.01.2016 Changes preserved © Copyright Siemens AG