Beckhoff EL3122

Brand: Beckhoff
Model: EL3122

  • Type: Analog Input Module
  • Number of inputs: 2 (Differential)
  • Input current: 4 to 20 mA
  • Supply voltage: 35 V (Maximum)

Condition: Used/refurbished
Origin: Germany
Warranty: Three months
Beckhoff EL3122 Manual
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৳ 14,000.00

Beckhoff EL3122 Module

The EL3122 analog input terminal processes signals in the range between 4 and 20 mA. The current digitised to a resolution of 16 bits and transmitted, electrically isolated, to the higher-level automation device. The input channels of the EtherCAT Terminal have differential inputs and possess a common, internal ground potential. The EL 3122 combines two channels in one housing. An open lead or overload condition detected. The terminal status relayed to the controller via the E-bus. The EtherCAT Terminal indicates its signal state by means of light emitting diodes. The error LEDs indicate an overload condition and a broken wire.


  • Number of inputs: 2 (differential)
  • Power supply: via the E-bus
  • Technology: differential input
  • Signal current: 4…20 mA
  • Distributed clocks: yes
  • Internal resistance: 85 Ω typ. + diode voltage
  • Input filter limit frequency: 5 kHz
  • Common-mode voltage UCM: 10 V max.
  • Conversion time: ~ 50 µs (fast mode ~ 35 µs)
  • Resolution: 16 bit (incl. sign)
  • Measuring error: < ±0.3 % (relative to full scale value)
  • Surge voltage resistance: 35 V max.
  • Electrical isolation: 500 V (E-bus/signal voltage)
  • Current consumption E-bus: typ. 170 mA
  • Bit width in the process image: inputs: 8 byte
  • Special features: standard and compact process image, activatable FIR/IIR filters, limit value monitoring.

Beckhoff EL3122 Manual
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