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Beckhoff Automation (Pty) Ltd

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www.beckhoff.com/en-za/

ELM3002-0405 | EtherCAT Terminal, 2-channel analog input, voltage, ±50 mV…5 V/±60 V…1200 V, 24 bit, 50 ksps, electrically isolated, 4 mm socket
New

The ELM3002-0405 EtherCAT Terminal combines the high-voltage measurement of the ELM3002-0205 and the low-voltage measurement of the ELM3002-0305 in a 2-channel terminal. This means that an EtherCAT Terminal can simultaneously measure the total voltage of a cell stack or generator, as well as its current via a shunt. The synchronous coupling of several terminals – for the purpose of measuring a 3-phase system, for example – is possible using distributed clocks.

The measuring range is selected in the CoE, as are the other setting options such as the filter parameters. Regardless of the signal configuration, all ELM modules have the same technological properties, and the ELM3002-0405 with oversampling offers a maximum sampling rate of 50,000 samples per second and channel. The terminal is equipped with 4 mm laboratory sockets.

This terminal is also available as a variant with an individual calibration certificate. (See related products)

Extensive documentation is available from Beckhoff sales, support or measurement@beckhoff.com.

This ELM3xxx series measurement terminal enables efficient implementation of complex system-integrated data acquisition systems (DAQ) that place high demands on measurement accuracy and time synchronization.

Product status:

product announcement

Product information

System dataELM300x
Voltage measurementKanal 1: ±1200/600/360/60 V
Kanal 2: ±5/2.5/1/250/150/100/60 mV
Technical dataELM3002-0405
Number of channels2
Technologyvoltage measurement
Signal typedifferential
Connection technology2-wire
Connection type4 mm laboratory plug, service plug 1-pin
Max. sampling ratemax. 20 µs/50 ksps (per channel, simultaneously)
Oversampling factorn = 1…100 selectable
Internal resistancetyp. > 10 MΩ
Measurement error/uncertaintytyp. < ±200 ppm/±0.02% in some measuring ranges, relative to the respective full scale value (DC), see documentation
Temperature coefficientup to typ. < 50 ppm/K in some measuring ranges, see documentation
Functional diagnosticsyes
Distributed clocksyes, accuracy << 1 µs
Resolution24 bit (incl. sign)
Measurement class/overvoltage class1000 V CAT II, 1000 V CAT III (in preparation), 600 V CAT IV (in preparation); according to EN61010-2-030
Electrical isolation channel/channelreinforced insulation, test voltage 6 kV DC, production test
Electrical isolation channel/busreinforced insulation, test voltage 6 kV DC, production test
Electrical isolation channel/SGNDreinforced insulation, test voltage 6 kV DC, production test
Current consumption E-bustyp. 460 mA
Weightapprox. 350 g
Operating/storage temperature0…+55°C/-25…+85°C
Thermal dissipationtyp. 3 W
Special featuresExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold
Approvals/markingsCE
Housing dataELM-30-xpin
Design formmetal housing with signal LEDs
Materialzinc die-cast
Dimensions (W x H x D)30 mm x 100 mm x 95 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Marking
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.2…1.5 mm²,
st*: 0.2…1.5 mm²,
f*: 0.25…0.75 mm²
Connection cross-section AWGs*: AWG24…14,
st*: AWG24…14,
f*: AWG24…14
Stripping length8…9 mm

*s: solid wire; st: stranded wire; f: with ferrule

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