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Beckhoff Automation Pty. Ltd.

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EL5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz

EL5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz

EL5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz

Signal LED A
Signal LED C
Signal LED B
Signal LED
Gate/Latch
Power contact
+24 V
Power contact 0 V
A
C
B
+24 V
0 V
Gate/Latch
Top view 
Contact assembly 
EL5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz

EL5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz

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 EL5151 EtherCAT Terminal is an interface for the direct connection of one incremental encoder (24 V HTL). An additional 24 V digital input is available for storing or blocking the counter status. As an alternative, the EL5151 can be used as a up/down counter. The 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 24 V up/down counter
  • microincrements
  • synchronous reading of the position value via distributed clocks
  • timestamp on the last-registered incremental edge

 

In addition, the EL5151 enables the measurement of a period or frequency with a resolution of 100 ns. With the optional interpolating microincrement functionality, the EL5151 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). A timestamp for the last-registered incremental edge is also available. 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 dataEL5151
Technologyincremental encoder interface, HTL 24 V DC
Number of channels1
Encoder connection1 x A, B, C: 24 V DC, single-ended connection, EN 61131-2, type 1, “0”: < 5 V DC, “1”: > 15 V DC, typ. 5 mA
Additional inputslatch/gate input, 24 V DC
Encoder operating voltage24 V DC (-15%/+20%), (generated from the 24 V DC power contacts)
Counter1 x 16/32 bit switchable
Limit frequency400,000 increments/s (with 4-fold evaluation), corresponding to 100 kHz
Quadrature decoder4-fold evaluation
Distributed clocksyes
Nominal voltage24 V DC (-15%/+20%)
Current consumption power contactstyp. 100 mA + load
Resolution1/256 bit microincrements
Current consumption E-bustyp. 130 mA
Special featuresgate or latch function, microincrements, timestamping of edges, period duration and frequency measurement, up/down counters
Weightapprox. 50 g
Operating/storage temperature-25…+60°C/-40…+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
Pluggable wiringfor all ESxxxx terminals
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-12-8pinES-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
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 conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

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

Ordering information
EL5151EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz
ES5151EtherCAT Terminal, 1-channel encoder interface, incremental, 24 V DC HTL, 100 kHz, pluggable wiring

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