Article image ELM3704-0000

Beckhoff ELM3704-0000

ELM3704-0000 | 4-channel multi-functional input, 24 bit, 10 ksps

On Request. Please send us an email to inquire the price and avaliability.
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Description

The EtherCAT Terminals from the ELM series were developed in order to enable the high-quality measurement of common electrical signals in the industrial environment. Flexibly usable measurement modules are especially useful in laboratory and testing technology environments. Therefore the ELM370x multifunction modules feature an input circuit that can be set to over 30 different types of electrical connection via EtherCAT: from voltages of ±60 V to ±20 mV, thus supporting thermocouples and IEPE, a current of ±20 mA, a resistance measurement of 5 kΩ and thus also temperature RTDs (PT100, etc.), measuring bridges and potentiometers, and all of this with a 2- to 6-wire connection, depending on the type. Thus, most electrical measuring tasks can be solved with just a single module. There is a choice of different connection types: The ELM3704-0001 with its high-quality LEMO connectors is mainly designed for laboratory use, where sensor configurations are changed on a daily basis, but a stable and reliable plug connection is nevertheless required. The 6-pin version with push-in (ELM3704-0000/ELM3702-0000) on the other hand is ideal for industrial use where a plug is unplugged less frequently for maintenance purposes and fast wiring is much more important.

Technical parameters

Strain gauge: quarter bridge (350 Ω + 120 Ω), half bridge (±16 mV/V), full bridge (±32 mV/V), internal bridge completion and supply adjustable 0…5 V (2-/3-/4-/5-/6-wire connection)
Voltage measurement: ±60/30/10/5/2.5/1.25 V, ±640/320/160/80/40/20 mV, 0…5/10 V (2-wire connection)
Current measurement: ±20 mA, 0/4…20 mA, NAMUR NE43 (2-wire connection)
IEPE measurement: current feed 2 mA, acquisition of the modulated AC voltage, AC/DC coupling (parameterisable high-pass)
Potentiometer measurement: potentiometer ≥ 1 kΩ, supply integrated and adjustable 0…5 V
Resistance measurement: 0…5 kΩ (2-/3-/4-wire connection)
Temperature measurement (RTD): PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000, diverse KT/KTY (types see documentation) (2-/3-/4-wire connection)
Temperature measurement (thermocouple): type K, J, L, E, T, N, U, B, R, S, C; internal cold junction measurement (2-wire connection)

Logistic parameters

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Weight: 0.00 kg
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