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EL5101-0011 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422), 5 MHz, oversampling

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EL5101-0011 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422), 5 MHz, oversampling

EL5101-0011 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422), 5 MHz, oversampling

Input A, B
Input C
Run LED
Power 5 V
Power contact
+24 V
Power contact 0 V
Input A, A
Input B, B
Input C, C
Encoder
supply UE, U0
+24 V (2x)
0 V (2x)
Shield
Top view 
Contact assembly 
EL5101-0011 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422), 5 MHz, oversampling

EL5101-0011 | EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422), 5 MHz, oversampling

Distributed Clocks: the integrated time management system in EtherCAT

Distributed Clocks: the integrated time management system in EtherCAT

The EL5101-0011 EtherCAT Terminal is an interface for the direct connection of incremental encoders with differential signals (RS422). It processes the signals for a finer resolution of position values according to the oversampling principle. The 5 V and 24 V supply of the encoder can be provided directly via the terminal connection points.

 

Special features:

  • high-resolution position detection through oversampling principle
  • up to 100 measured values per PLC cycle with 10 µs sampling time
  • maximum input frequency of 5 MHz

 

A conventional incremental encoder reads a counter value with each bus cycle and passes it on to the higher-level controller in the next fieldbus cycle. The EL5101-0011 reads the current counter value at several configurable and equidistant times between two fieldbus communication cycles with an adjustable whole number multiple (oversampling factor: n) of the bus cycle time. A packet of n position values of 32 bits each is then transmitted to the higher-level controller in the next fieldbus communication cycle. The minimum sampling time is 10 µs (100 ksps). The EL5101-0011 terminal is especially suitable for applications where high-resolution position detection is required.

Product status:

regular delivery

Product information

Technical dataEL5101-0011
Technologyincremental encoder interface, differential (RS422)
Number of channels1
Encoder connection1 x A, B, C: differential inputs (RS422): A, A̅ (inv), B, B̅ (inv), C,C̅ (inv)
Encoder operating voltage5 V DC/max. 0.5 A (generated from the 24 V DC power contacts)
Counter1 x 32 bit
Limit frequency20 million increments/s (with 4-fold evaluation), corresponding to 5 MHz
Quadrature decoder4-fold evaluation
Distributed clocksyes
Oversampling factorn = 1…100 selectable
Cycle timemin. 500 µs
Conversion time10 µs/100 ksps
Current consumption power contactstyp. 100 mA + load
Current consumption E-bustyp. 130 mA
Electrical isolation500 V (E-bus/field potential)
Special featuresoversampling, wire breakage detection, set counter
Weightapprox. 100 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
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-24-2x8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)24 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
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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