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SIMATIC S7-1200 SM 1238, AI energy meter 480 V AC
SKU: 6ES7238-5XA32-0XB0
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Short Description
Description:
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: 1A to 5A; acquisition of voltage, current, phase angles, power, energy values, and 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: 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:
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.
Buy currently uses Select Automation shop pricing and checkout.
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; Harmonics: 39 / 50 Hz, 32 / 60 Hz.
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.: 0 V.
Measurable line voltage between phase and neutral conductor, max.: 293 V.
Measurable line voltage between the line conductors, min.: 0 V.
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 61010-2-030: 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: 5 A.
Apparent power consumption per phase for measuring range 5 A: 0.6 VA.
Rated value short-time withstand current restricted to 1 s: 100 A.
Input resistance measuring range 0 to 5 A: 25 mΩ; At the terminal.
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 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: 0.5; 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.