SM 1238 Energy Meter 480 V AC analog input modules . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SM 1238 Energy Meter 480 V AC analog input modules

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Article number		6ES7238-5XA32-0XB0
		SM 1238 Energy Meter 480V AC
General information
Firmware version		V2.0
Product function
в—Џ Voltage measurement		Yes
в—Џ Voltage measurement with voltage transformers		Yes
в—Џ Current measurement		Yes
в—Џ Phase current measurement without current transformers		No
в—Џ Phase current measurement with current transformers		Yes
в—Џ Energy measurement		Yes
в—Џ Frequency measurement		Yes
в—Џ Power measurement		Yes
в—Џ Active power measurement		Yes
в—Џ Reactive power measurement		Yes
в—Џ I&M data		Yes; I&M 0
в—Џ Isochronous mode		No
Engineering with
в—Џ STEP 7 TIA Portal configurable/integrated as of version		V13 SP1
Operating mode
в—Џ cyclic measurement		Yes
в—Џ acyclic measurement		Yes
в—Џ Acyclic measured value access		Yes
в—Џ Fixed measured value sets		Yes
в—Џ Freely definable measured value sets		Yes
Configuration control
via dataset		Yes
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		Supply via voltage measurement channel L1
Type of supply voltage		AC 100 - 277 V
permissible range, lower limit (AC)		90 V
permissible range, upper limit (AC)		293 V
Line frequency
в—Џ permissible range, lower limit		47 Hz
в—Џ permissible range, upper limit		63 Hz
Power loss
Power loss, typ.		0.6 W
Address area
Address space per module
в—Џ Address space per module, max.		124 byte; 112 byte input / 12 byte output
Time of day
Operating hours counter
в—Џ 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
в—Џ Diagnostic alarm		Yes
в—Џ Limit value alarm		Yes
в—Џ Hardware interrupt		No
Diagnostics indication LED
в—Џ Monitoring of the supply voltage (PWR-LED)		Yes
в—Џ Channel status display		Yes; Green LED
в—Џ for channel diagnostics		Yes; red Fn LED
в—Џ for module diagnostics		Yes; green/red DIAG LED
Integrated Functions
Measuring functions
в—Џ Measuring procedure for voltage measurement		TRMS
в—Џ Measuring procedure for current measurement		TRMS
в—Џ Type of measured value acquisition		seamless
в—Џ Curve shape of voltage		Sinusoidal or distorted
в—Џ Buffering of measured variables		Yes
в—Џ Parameter length		74 byte
в—Џ Bandwidth of measured value acquisition		2 kHz; Harmonics: 39 / 50 Hz, 32 / 60 Hz
Operating mode for measured value acquisition
вЂ” automatic detection of line frequency		No; Parameterizable
Measuring range
вЂ” Frequency measurement, min.		45 Hz
вЂ” Frequency measurement, max.		65 Hz
Measuring inputs for voltage
вЂ” Measurable line voltage between phase and neutral conductor		277 V
вЂ” Measurable line voltage between the line conductors		480 V
вЂ” Measurable line voltage between phase and neutral conductor, min.		90 V
вЂ” Measurable line voltage between phase and neutral conductor, max.		293 V
вЂ” Measurable line voltage between the line conductors, min.		155 V
вЂ” Measurable line voltage between the line conductors, max.		508 V
вЂ” 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
вЂ” Internal resistance line conductor and neutral conductor		3.4 Mв„¦
вЂ” Power consumption per phase		20 mW
вЂ” Impulse voltage resistance 1,2/50µs		1 kV
Measuring inputs for current
вЂ” measurable relative current (AC), min.		1 %; Relative to the secondary rated current 5 A
вЂ” measurable relative current (AC), max.		100 %; Relative to the secondary rated current 5 A
вЂ” Continuous current with AC, maximum permissible		5 A
вЂ” Apparent power consumption per phase for measuring range 5 A		0.6 V·A
вЂ” Rated value short-time withstand current restricted to 1 s		100 A
вЂ” Input resistance measuring range 0 to 5 A		25 mв„¦; At the terminal
вЂ” Zero point suppression		Parameterizable: 2 ... 250 mA, default 50 mA
вЂ” Surge strength		10 A; for 1 minute
Accuracy class according to IEC 61557-12
вЂ” Measured variable voltage		0,2
вЂ” Measured variable current		0,2
вЂ” Measured variable apparent power		0.5
вЂ” Measured variable active power		0.5
вЂ” Measured variable reactive power		1
вЂ” Measured variable power factor		0.5
вЂ” Measured variable active energy		0.5
вЂ” Measured variable reactive energy		1
вЂ” Measured variable neutral current		0.5; calculated
вЂ” Measured variable phase angle		±1 °; not covered by IEC 61557-12
вЂ” Measured variable frequency		0.05
Potential separation
Potential separation channels
в—Џ 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)
Ambient conditions
Ambient temperature during operation
в—Џ horizontal installation, min.		-20 °C
в—Џ horizontal installation, max.		60 °C
в—Џ vertical installation, min.		-20 °C
в—Џ vertical installation, max.		50 °C
Dimensions
Width		45 mm
Height		100 mm
Depth		75 mm
Weights
Weight (without packaging)		165 g
Data for selecting a current transformer
в—Џ Burden power current transformer x/1A, min.		As a function of cable length and cross section, see device manual
в—Џ Burden power current transformer x/5A, min.		As a function of cable length and cross section, see device manual