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EL5131 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC, 5 MHz, with 2 x digital output 24 V DC

Image similar, may contain optional accessories
EL5131 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC, 5 MHz, with 2 x digital output 24 V DC

EL5131 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC, 5 MHz, with 2 x digital output 24 V DC

A1
B1
C1
Status input
PowerEnc.
Latch
Digital output 1
Run
Diag
Gate/latch
Digital output 2
Input A
Input B
Input C
Status input
Encoder
supply +UE
Encoder
supply -U0
latch
Digital output 1
Input A
Input B
Input C
Encoder
supply +UE
Encoder
supply -U0
gate/latch
Digital output 2
Top view 
Contact assembly 
EL5131 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC, 5 MHz, with 2 x digital output 24 V DC

EL5131 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC, 5 MHz, with 2 x digital output 24 V DC

EtherCAT timestamp: high-precision interaction of controller and environment – to the exact nanosecond

Beckhoff micro-increments for ultra-fine position resolution

Distributed Clocks: the integrated time management system in EtherCAT

EtherCAT timestamp: high-precision interaction of controller and environment – to the exact nanosecond

Beckhoff micro-increments for ultra-fine position resolution

Distributed Clocks: the integrated time management system in EtherCAT

The EL5131 EtherCAT Terminal is an interface for the direct connection of incremental encoders with differential signals (RS422) or single-ended signals (TTL and open collector). Two parameterizable 24 V DC push-pull, tristate outputs are available, which are set after reaching a specified count, frequency or speed value. This allows the realization of a digital cam controller, which uses position or time cams and ensures a precise response time independent of the fieldbus cycle.

Two additional 24 V digital inputs are 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 error message output of an encoder can be connected and evaluated via the status input. 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
  • parameterizable 2 x 24 V push-pull, tristate outputs
  • digital cam controller with position cams or time cams
  • integrated frequency measurement
  • optionally usable as 5 V up/down counter
  • microincrements
  • synchronous reading of the position value via distributed clocks
  • timestamp on the last registered incremental edge, latch values and the output switching limits

 

In addition, the EL5131 enables the measurement of a frequency or velocity with a resolution of 10 ns. A duty cycle measurement of the input signal is implemented.

 

With the optional interpolating microincrement functionality, the EL5131 can provide even more accurate axis positions for dynamic axes. 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). Additionally, timestamps are available for the last registered incremental edge, the edge at the latch input, the zero pulse track C and the output switching limits. 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 dataEL5131
Technologyincremental encoder interface, differential (RS422), single-ended (TTL, open collector), counter, pulse generator
Number of channels1
Encoder connection1 x A, B, C
differential inputs (RS422): A, A̅ (inv), B, B̅ (inv), C, C̅ (inv)
single-ended connection (TTL, open collector): A, B, C
counter, pulse generator: A, B
Additional inputslatch, gate/latch (24 V DC, TON > 1 µs),
status input (max. 5 V DC, negative switching, TON > 10 µs)
Additional outputs2 x push pull, ohmic switchable (tristate)
Encoder operating voltage5 V DC (default), 12 V DC, 24 V DC switchable, 0.3 A (generated from the 24 V DC power contacts)
Load typeoutputs ohmic, inductive, lamp load
Nominal output voltage24 V DC (-15%/+20%)
Output currentpush mode: max. 0.5 A per channel, pull mode: 0.15 A per channel
Switching timesoutputs: typ. TON: 3 µs (push mode), typ. TOFF: 4 µs (pull mode), typ. 7 µs (tristate mode)
Short-circuit currenttyp. < 1 A (push mode), typ. < 0,2 A (pull mode)
Counter32 bit (default), 16/32 bit switchable
Limit frequencyRS422: 20 million increments/s with 4-fold evaluation, corresponding to 5 MHz,
TTL: 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
Resolution1/256 bit microincrements
Current consumption power contactstyp. 20 mA + load
Current consumption E-bustyp. 240 mA
Wiring fail indicationyes, for RS422 encoder
Electrical isolation500 V (E-bus/field potential)
Special featuresopen-circuit recognition, frequency, speed and duty cycle measurement, microincrements, timestamp on last incremental edge, zero pulse C, latch input, gate/latch 2 input and to the output switching limits
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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