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西門子S7-1200模塊 電能測(cè)量模塊 6ES7238-5XA32-0XB0

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品牌: 西門子
重量,約: 165 g
單價(jià): 面議
所在地: 北京
有效期至: 長(zhǎng)期有效
最后更新: 2021-07-12 16:18
瀏覽次數(shù): 201
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西門   PLC  模塊  電能測(cè)量模塊 6ES7238-5XA32-0XB0

 
SM 1238 電能測(cè)量模塊 480V AC

 技術(shù)數(shù)據(jù)

Technical data

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, ***; 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 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
Time of day
Operating hours counter
● present Yes
Analog inputs
Cycle time (all channels), typ. 50 ms; Time for consistent updat 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 M
— 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 V·A
— Rated value short-time withstand current restricted to 1 s 100 A
— Input resistance measuring range 0 to 5 A 25 m 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/***, min. As a function of cable length and cross section, see device manual