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Beckhoff Automation (Pty) Ltd

7 Ateljee Street
Randpark Ridge, Randburg
Gauteng
2169, South Africa

+27 11 795 2898
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www.beckhoff.com/en-za/

ELM2742-0000 | EtherCAT Terminal, 2-channel solid state relay output, multiplexer, 48 V AC/DC, 1 A, potential-free, 1 x 4

ELM2742-0000 | EtherCAT Terminal, 2-channel solid state relay output, multiplexer, 48 V AC/DC, 1 A, potential-free, 1 x 4

ELM2742-0000 | EtherCAT Terminal, 2-channel solid state relay output, multiplexer, 48 V AC/DC, 1 A, potential-free, 1 x 4

Run LED
Channel 1
Channel 2
Top view 
ELM2742-0000 | EtherCAT Terminal, 2-channel solid state relay output, multiplexer, 48 V AC/DC, 1 A, potential-free, 1 x 4

ELM2742-0000 | EtherCAT Terminal, 2-channel solid state relay output, multiplexer, 48 V AC/DC, 1 A, potential-free, 1 x 4

SPS 2019: Beckhoff Measurement Modules

SPS 2019: Beckhoff Measurement Modules

With the ELM2742 Beckhoff is considerably extending the usage possibilities of the integrated measurement technology of the ELM3xxx series as well as the normal EL3xxx/EL4xxx analog inputs and outputs, because several sensors or sources can now be connected at the same time to one analog input channel. To this end, the ELM2742 is equipped with non-wearing solid-state relays (semiconductor switches) as switching elements, which are specially designed for small analog signals and thus set themselves apart from normal solid-state terminals like the EL279x. Due to the extremely low leakage current in the nA range in the opened state, the parallel-connected signals hardly influence each other at all. The multi-channel recording of analog signals as well as the flexible switching of various test states in production-integrated test stations is thus simple to achieve without externally connected switches.

Product status:

regular delivery

Product information

Technical dataELM2742-0000
Technologymultiplexer
Connection technology2-wire MOSFET output
Number of channels2
Number of outputs2 x multiplexer 1 on 4
Nominal voltage48 V AC/DC
Load typeohmic
Distributed clocks
Ohmic switching current1 A AC/DC per channel (in the operating temperature range, 2 A at 25 °C ambient temperature)
Inductive switching currentno data
Current consumption E-bustyp. 50 mA
Electrical isolation500 V (E-bus/field potential)
Current consumption power contactstyp. 20 mA
Configurationno address or configuration setting
On-resistancetyp. 0.1 Ω
Switching on speedtyp. 1 ms, max. 5 ms
Switching off speedtyp. 1 ms, max. 5 ms
Breakdown voltage80 V
Short-circuit currentnot short-circuit proof, see peak current
Peak current5 A (100 ms)
Special featureswear-free solid-state relay (semiconductor)
Weightapprox. 350 g
Operating/storage temperature0…+55 °C/-25…+85 °C
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*: AWG 24…14,
st*: AWG 24…14,
f*: AWG 24…14
Stripping length8…9 mm

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

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