The EL5102 EtherCAT Terminal is an interface for the direct connection of two incremental encoders with differential signals (RS422) or single ended signals (TTL and open collector), parameterizable per channel. Input frequencies up to 5 MHz can be processed. 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
- integrated frequency and period 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 and the latch value via the 24 V digital inputs
In addition, the EL5102 enables the measurement of a period, 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 EL5102 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, the edge at the latch input and the zero pulse track C 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 data | EL5102 |
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Technology | incremental encoder interface, differential (RS422), single-ended (TTL, open collector), counter, pulse generator |
Number of channels | 2 |
Encoder connection | 2 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 inputs | latch, gate/latch (24 V DC, TON > 1 µs), status input (max. 5 V DC, negative switching) per channel |
Encoder operating voltage | 5 V DC (default), 12 V DC, 24 V DC switchable, 0.3 A per channel (generated from the 24 V DC power contacts) |
Counter | 32 bit (default), 16/32 bit switchable |
Limit frequency | RS422: 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 decoder | 4-fold evaluation (default), 2-fold, 1-fold evaluation switchable |
Distributed clocks | yes |
Resolution | 1/256 bit microincrements |
Current consumption power contacts | typ. 20 mA + load |
Current consumption E-bus | typ. 210 mA |
Wiring fail indication | yes, for RS422 encoder |
Electrical isolation | 500 V (E-bus/field potential) |
Special features | open-circuit recognition, period duration, frequency, speed and duty cycle measurement, microincrements, timestamp on: last incremental edge, zero pulse C, latch input, gate/latch input |
Weight | approx. 100 g |
Operating/storage temperature | 0…+55°C/-25…+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 |
Approvals/markings | CE |
Housing data | EL-24-2x16pin |
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Design form | HD (High Density) housing with signal LEDs |
Material | polycarbonate |
Dimensions (W x H x D) | 24 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 conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver |
Connection cross-section | s*: 0.08…1.5 mm², st*: 0.25…1.5 mm², f*: 0.14…0.75 mm² |
Connection cross-section AWG | s*: AWG28…16, st*: AWG22…16, f*: AWG26…19 |
Stripping length | 8…9 mm |
Current load power contacts | Imax: 10 A |
*s: solid wire; st: stranded wire; f: with ferrule
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