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EL5122 | EtherCAT Terminal, 2-channel encoder interface, incremental, 5 V DC (TTL, open collector), 1 MHz

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EL5122 | EtherCAT Terminal, 2-channel encoder interface, incremental, 5 V DC (TTL, open collector), 1 MHz

EL5122 | EtherCAT Terminal, 2-channel encoder interface, incremental, 5 V DC (TTL, open collector), 1 MHz

A1
B1
A2
B2
PowerEnc.
gate/latch 1
Run
Diag
gate/latch 2
Input A1
Input B1
Input A2
Input B2
Encoder
supply +UE1
Encoder
supply -U01
latch/gate 1
Encoder
supply +UE2
Encoder
supply -U02
latch/gate 2
Top view 
Contact assembly 
EL5122 | EtherCAT Terminal, 2-channel encoder interface, incremental, 5 V DC (TTL, open collector), 1 MHz

EL5122 | EtherCAT Terminal, 2-channel encoder interface, incremental, 5 V DC (TTL, open collector), 1 MHz

Distributed Clocks: the integrated time management system in EtherCAT

Distributed Clocks: the integrated time management system in EtherCAT

The EL5122 EtherCAT Terminal is an interface for the direct connection of two incremental encoders with A and B track. Encoders with single ended signals (TTL and open collector) can be connected. Due to internal pull-up resistors, no external circuitry is necessary for open collector evaluation. Per channel a 24 V digital input is available for storing, blocking and setting the counter status. It is also possible to set the counter to a predefined value or to lock the counter directly through the process data. The 5 V, 12 V or 24 V supply of the encoder can be provided directly via the terminal connection points.

 

Special features:

  • save, lock, set counter
  • integrated frequency and period measurement
  • optionally usable as 5 V up/down counter
  • synchronous reading of the position value via distributed clocks

 

In addition, the EL5122 enables the measurement of a period, frequency or velocity with a resolution of 10 ns. It also supports synchronous reading of the encoder value together with other input data in the EtherCAT system via the high-precision EtherCAT distributed clocks (DC). The use of encoder profiles enables simple and fast linking of the process data for motion control applications.

Product status:

regular delivery

Product information

Technical dataEL5122
Technologyincremental encoder interface, single-ended (TTL, open collector), counter, pulse generator
Number of channels2
Encoder connection2 x A, B
single-ended connection (TTL, open collector): A, B
counter, pulse generator: A, B
Additional inputsgate/latch (24 V DC, TON > 1 µs) per channel
Encoder operating voltage5 V DC (default), 12 V DC, 24 V DC switchable, 0.3 A total current (generated from the 24 V DC power contacts)
Counter32 bit (default), 16/32 bit switchable
Limit frequencyTTL: 4 million increments/s with 4-fold evaluation, corresponding to 1 MHz, open collector: 400 kilo increments/s with 4-fold evaluation, corresponding to 100 kHz
Quadrature decoder4-fold evaluation (default), 2-fold, 1-fold evaluation switchable
Distributed clocksyes
Current consumption power contactstyp. 10 mA + load
Current consumption E-bustyp. 190 mA
Wiring fail indication
Electrical isolation500 V (E-bus/field potential)
Special featuresperiod duration, frequency and speed measurement
Weightapprox. 50 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE
Housing dataEL-12-16pin
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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