Beckhoff EL1252 EtherCAT 2-channel Digital Input Terminal with Timestamp

• • Beckhoff EL1252
• • Xtreme Fast Control Technology
• • Beckhoff I/O systems
• • EtherCAT Terminals
• • EL1252 BECKHOFF EtherCAT Terminal
• • BECKHOFF EL1252 Input Module
• • Terminal with timestamp
• • 2-channel digital input

• Beckhoff EL1252 EtherCAT 2-channel Digital Input Terminal with Timestamp
  
  The EL1252 digital input terminal is a controller with EtherCAT Terminals I/O systems, two channels, 24 V DC, 1 µs, with timestamp. It is widely used in Homag machines.
  
  With this XFC technology, signal characteristics can be traced exactly in time and correlated with the distributed clocks system-wide.
  

  Special features:
  suitable for particularly fast signals due to very low input delay
  synchronized operation through distributed clocks XFC technology possible
  support of XFC technology timestamp
  

  Technical data for EL1252:

  Technical data	EL1252
  Connection technology	4-wire
  Specification	similar to EN 61131-2, type 3, “0”: -3…5 V DC, “1”: 11…30 V DC, typ. 3 mA input current
  Number of inputs	2
  Nominal voltage	24 V DC (-15 %/+20 %)
  “0” signal voltage	-3…+5 V (similar to EN 61131-2, type 3)
  “1” signal voltage	11…30 V (similar to EN 61131-2, type 3)
  Input current	typ. 3 mA (similar to EN 61131-2, type 3)
  Input filter	typ. < 1 µs
  Resolution timestamp	1 ns
  Precision of timestamp in the terminal	10 ns (+ input delay)
  Distributed clock precision	<< 1 µs
  Input delay TON/TOFF	< 1 µs
  Distributed clocks	yes
  Time resolution signal	1 ns
  Current consumption power contacts	typ. 6 mA + load
  Current consumption E-bus	typ. 110 mA
  Electrical isolation	500 V (E-bus/field potential)
  Bit width in the process image	2 x input + 2 x 16 byte timestamp
  Configuration	no address or configuration setting
  Special features	timestamping, latch last edge
  Weight	approx. 55 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. rating/installation pos.	IP20/variable
  Pluggable wiring	for all ESxxxx terminals
  Approvals/markings	CE, UL, ATEX
  Ex marking	II 3 G Ex nA IIC T4 Gc

  
  
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