Data Sheet

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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

Yes

— with voltage transformer

Yes

● Current measurement

Yes

— without current transformer

— 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

Engineering with

6ES7238-5XA32-0XB0 Subject to change without notice

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Summary of content (5 pages)

PAGE 1
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.
PAGE 2
● STEP 7 TIA Portal configurable/integrated as of 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 c
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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; Harmonics: 39 / 50 Hz, 32 / 60 Hz Measuring range — Frequency measurement, min. 45 Hz — Frequency measurement, max.
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— Surge strength 10 A; for 1 minute Accuracy class according to IEC 61557-12 — Measured variable voltage 0,2 — Measured variable current 0,2 — Measured variable apparent power 0.5 — Measured variable active power 0.5 — Measured variable reactive power 1 — Measured variable power factor 0.5 — Measured variable active energy 0.5 — Measured variable reactive energy 1 — Measured variable neutral current 0.
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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.