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.
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:
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
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)
typ. 3 mA (similar to EN 61131-2, type 3)
typ. < 1 µs
Precision of timestamp in the terminal
10 ns (+ input delay)
Distributed clock precision
<< 1 µs
Input delay TON/TOFF
< 1 µs
Time resolution signal
Current consumption power contacts
typ. 6 mA + load
Current consumption E-bus
typ. 110 mA
500 V (E-bus/field potential)
Bit width in the process image
2 x input + 2 x 16 byte timestamp
no address or configuration setting
timestamping, latch last edge
approx. 55 g
-25…+60 °C/-40…+85 °C
95 %, no condensation
conforms to EN 60068-2-6/EN 60068-2-27
conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.
for all ESxxxx terminals
CE, UL, ATEX
II 3 G Ex nA IIC T4 Gc
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