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EL1252 EtherCAT Terminal
The EL1252 digital input terminal acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The EtherCAT Terminal contains two channels whose signal state is indicated by LEDs.
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, IECEx
Ex marking: ATEX: II 3 G Ex nA IIC T4 Gc/IECEx: Ex ec IIC T4 Gc
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