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.
| Technical data | EL5151, ES5151 |
|---|---|
| Technology | incremental encoder interface, HTL 24 V DC |
| Number of channels | 1 |
| Encoder connection | 1 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 inputs | latch/gate input, 24 V DC |
| Encoder operating voltage | 24 V DC (-15 %/+20 %), (generated from the 24 V DC power contacts) |
| Counter | 1 x 16/32 bit switchable |
| Limit frequency | 400,000 increments/s (with 4-fold evaluation), corresponding to 100 kHz |
| Quadrature decoder | 4-fold evaluation |
| Distributed clocks | yes |
| Nominal voltage | 24 V DC (-15 %/+20 %) |
| Current consumption power contacts | typ. 100 mA + load |
| Resolution | 1/256 bit microincrements |
| Current consumption E-bus | typ. 130 mA |
| Special features | gate or latch function, microincrements, timestamping of edges, period duration and frequency measurement, up/down counters |
| Weight | approx. 50 g |
| Operating/storage temperature | -25…+60 °C/-40…+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 |
| Pluggable wiring | for all ESxxxx terminals |
| Approvals/markings | CE, UL, ATEX |
| Ex marking | II 3 G Ex nA IIC T4 Gc |
| Housing data | EL-12-8pin | ES-12-8pin |
|---|---|---|
| Design form | compact terminal housing with signal LEDs | terminal housing with pluggable wiring level |
| Material | polycarbonate | |
| Dimensions (W x H x D) | 12 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 conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver | |
| Connection cross-section | s*: 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 AWG | s*: AWG 28…14, st*: AWG 28…14, f*: AWG 26…16 | s*: AWG 28…16, st*: AWG 28…16, f*: AWG 26…16 |
| Stripping length | 8…9 mm | 9…10 mm |
| Current load power contacts | Imax: 10 A | |
*s: solid wire; st: stranded wire; f: with ferrule
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