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Beckhoff EL1252 EtherCAT 2-channel Digital Input Terminal with Timestamp

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
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Beckhoff EL1252.jpg

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.
EL1252 Beckhoff.jpg
With this XFC technology, signal characteristics can be traced exactly in time and correlated with the distributed clocks system-wide.
Beckhoff digital input.jpg

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
BECKHOFF EL1252 Input Module.jpg

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