6ES72385XA320XB0

Data sheet 6ES7238-5XA32-0XB0 SIMATIC S7-1200, Analog input, SM 1238 Energy Meter 480 V AC, power measurement module for data acquisition in 1- and 3-phase supply systems (TN, TT) up to 480 V AC; Current range: 1 A, 5A; acquisition of voltage, current, phase angles, power, energy values, frequencies; Channel diagnostics General information Product type designation SM 1238, AI energy meter 480 V AC HW functional status From FS02 Firmware version V2.0.1 Product function ● Voltage measurement — with voltage transformer ● Current measurement Yes Yes Yes — without current transformer No — with current transformer Yes ● Energy measurement Yes ● Frequency measurement Yes ● Power measurement Yes ● Active power measurement Yes ● Reactive power measurement Yes ● I&M data Yes; I&M 0 ● Isochronous mode No Engineering with ● STEP 7 TIA Portal configurable/integrated from version V13 SP1 Operating mode ● cyclic measurement Yes ● acyclic measurement Yes ● Acyclic measured value access Yes ● Fixed measured value sets Yes ● Freely definable measured value sets No CiR - Configuration in RUN Reparameterization possible in RUN Yes Calibration possible in RUN Yes Installation type/mounting Mounting position Horizontal, vertical Supply voltage Design of the power supply from CPU Type of supply voltage DC Input current Current consumption, max. 180 mA Power loss 6ES72385XA320XB0 Page 1/2 1.20.2021 Subject to change without notice © Copyright Siemens Power loss, typ. 0.75 W Address area Address space per module ● Address space per module, max. 124 byte; 112 byte input / 12 byte output Time of day Operating hours counter ● present Yes Analog inputs Cycle time (all channels), typ. 50 ms; Time for consistent update of all measured and calculated values (cyclic und acyclic data) Interrupts/diagnostics/status information Alarms ● Diagnostic alarm Yes ● Limit value alarm Yes ● Hardware interrupt No Diagnostics indication LED ● Monitoring of the supply voltage (PWR-LED) Yes ● Channel status display Yes; green LED ● for channel diagnostics Yes; red Fn LED ● for module diagnostics Yes; green/red DIAG LED Integrated Functions Measuring functions ● Measuring procedure for voltage measurement TRMS ● Measuring procedure for current measurement TRMS ● Type of measured value acquisition seamless ● Curve shape of voltage Sinusoidal or distorted ● Buffering of measured variables Yes ● Parameter length 74 byte ● Bandwidth of measured value acquisition 2 kHz Measuring range — Frequency measurement, min. 45 Hz — Frequency measurement, max. 65 Hz Measuring inputs for voltage — Measurable line voltage between phase and neutral conductor 277 V — Measurable line voltage between the line conductors 480 V — Measurable line voltage between phase and neutral conductor, min. 0V — Measurable line voltage between phase and neutral conductor, max. 293 V — Measurable line voltage between the line conductors, min. 0V — Measurable line voltage between the line conductors, max. 508 V — Internal resistance line conductor and neutral conductor 3.4 MΩ — Power consumption per phase 20 mW — Impulse voltage resistance 1,2/50µs 1 kV — Measurement category for voltage measurement in accordance with IEC 61010-2030 CAT II; CAT III in case of guaranteed protection level of 1.5 kV Measuring inputs for current — measurable relative current (AC), min. 1 %; Relative to the secondary rated current 5 A — measurable relative current (AC), max. 100 %; Relative to the secondary rated current 5 A — Continuous current with AC, maximum permissible 5A — Apparent power consumption per phase for measuring range 5 A 0.6 V·A — Rated value short-time withstand current restricted to 1 s 100 A 6ES72385XA320XB0 Page 2/3 1.20.2021 Subject to change without notice © Copyright Siemens — Input resistance measuring range 0 to 5 A 25 mΩ — Surge strength 10 A; for 1 minute — Zero point suppression Parameterizable: 2 ... 250 mA, default 50 mA Accuracy class according to IEC 61557-12 — Measured variable apparent power 0.5 — Measured variable active power 0.5 — Measured variable power factor 0.5 — Measured variable active energy 0.5 — Measured variable neutral current 0.5; calculated — Measured variable phase angle ±1 °; not covered by IEC 61557-12 — Measured variable frequency 0.05 Potential separation Potential separation channels ● between the channels and backplane bus Yes; 3 700V AC (type test) CAT III Isolation Isolation tested with 2 300V AC for 1 min. (type test) Standards, approvals, certificates CE mark Yes CSA approval Yes UL approval Yes cULus Yes FM approval Yes RCM (formerly C-TICK) Yes KC approval Yes Marine approval Yes Ambient conditions Ambient temperature during operation ● horizontal installation, min. -20 °C ● horizontal installation, max. 60 °C ● vertical installation, min. -20 °C ● vertical installation, max. 50 °C Dimensions Width 45 mm Height 100 mm Depth 75 mm Weights Weight, approx. 165 g Other Data for selecting a current transformer ● Burden power current transformer x/1A, min. As a function of cable length and cross section, see device manual ● Burden power current transformer x/5A, min. As a function of cable length and cross section, see device manual last modified: 6ES72385XA320XB0 Page 3/3 1/16/2021 1.20.2021 Subject to change without notice © Copyright Siemens