Article image EL3042

Beckhoff EL3042

EL3042 | 2-channel analog input terminal 0…20 mA, single-ended, 12 bit

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Description

The job of the EL3042 analog input terminal is to supply power to measuring transducers located in the field, and to transmit analog measurement signals with electrical isolation to the automation device. The voltage for the sensors is supplied to the terminals via the power contacts. The power contacts can optionally be supplied with operating voltage in the standard way or via a supply terminal (EL9xxx) with electrical isolation. The input electronics is independent of the supply voltage of the power contacts. The 0 V power contact is the reference potential for the inputs. The EtherCAT Terminal indicates its signal state by means of light emitting diodes.

Technical parameters

Number of inputs: 2 (single-ended)
Power supply: via the E-bus
Technology: single-ended
Signal current: 0…20 mA
Distributed clocks:
Internal resistance: typ. 85 Ω
Input filter limit frequency: 1 kHz
Dielectric strength: max. 30 V
Conversion time: 0.625 ms default setting, configurable, multiplex
Resolution: 12 bit (16 bit presentation incl. sign)
Measuring error: < ±0.3 % (relative to full scale value)
Electrical isolation: 500 V (E-bus/signal voltage)
Current consumption power contacts:
Current consumption E-bus: typ. 130 mA
Bit width in the process image: inputs: 8 byte
Special features: standard and compact process image, activatable FIR/IIR filters, limit value monitoring
Weight: approx. 60 g
Operating/storage temperature: -25…+60 °C/-40…+85 °C
Relative humidity: 95 %, no condensation
Vibration/shock resistance: conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission: conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos.: IP 20/variable
Pluggable wiring: for all ESxxxx terminals
Approvals/markings: CE, UL, ATEX
Ex-Marking: II 3 G Ex nA IIC T4 Gc

Logistic parameters

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