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EL1252 - BECKHOFF

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; st: stranded wire; f: with ferrule

From: 198,00  IVA esc.

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