BECKHOFF - EL1252 - EtherCAT, Electronic Encoders - ICDC-040708 - New

BECKHOFF – EL1252 – EtherCAT, Electronic Encoders – ICDC-040708 – New

Main Category: Electronics | Sub-Category: Encoders | Status: New Original Components
BECKHOFF Part Number: EL1252 | ICDC Internal Part Number: ICDC-040708

EL1252 Description:

EL1252 | EtherCAT Terminal, 2-channel digital input, 24 V DC, 1 µs, timestamp
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. The signals are furnished with a time stamp that identifies the time of the last edge change with a resolution of 1 ns. With this XFC technology, signal characteristics can be traced exactly in time and correlated with the distributed clocks system-wide. With this technology, machine-wide parallel hardware wiring of digital inputs or encoder signals for synchronization purposes is often no longer required. In conjunction with the EL2252 EtherCAT Terminal (digital output terminal with time stamp), the EL1252 enables responses with equidistant time intervals, largely independent of the bus cycle time.
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
echnical 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
Technical data
Housing data EL-12-8pin
Design form compact terminal housing with signal LEDs
Material polycarbonate
Dimensions (W x H x D) 12 mm x 100 mm x 68 mm
Installation on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of double slot and key connection
Marking labeling of the BZxxx series
Wiring solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver
Connection cross-section
s*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWG
s*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16
Stripping length 8…9 mm
Current load power contacts Imax: 10 A
*s: solid wire

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