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EJ1254 EtherCAT plug-in module
The EJ1254 EtherCAT plug-in module acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The module has four channels that indicate their signal state via light emitting diodes.
Specification: similar to EN 61131-2, type 3, “0”: -3…5 V DC, “1”: 11…30 V DC, typ. 3 mA input current
Connection technology: 4-wire
Number of inputs: 4
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
Auxiliary power current: typ. 10 mA + load
Current consumption E-bus: typ. 135 mA
Electrical isolation: 500 V (E-bus/field potential)
Special features: timestamping, latch last edge
Weight: approx. 30 g
Operating/storage temperature: 0…+55 °C/-25…+85 °C
Relative humidity: 95 %, no condensation
EMC immunity/emission: conforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistance: conforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.: IP20/see documentation
Approvals/markings: CE
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