Technical data

Encoder

EL5131

Encoder type

Incremental, differential (RS422), single-ended (TTL, Open Collector), counter, pulse generator

Number of channels

1

Encoder connection

1 x A, B, C
Differential inputs (RS422): A, A̅, B, B̅, C, C̅
Single-ended connection (TTL, Open Collector): A, B, C
Counter, pulse generator: A, B

Additional inputs

Latch, Gate/Latch (24 VDC, tON > 1 µs),
Status Input (max. 5 VDC, negative switching, tON > 10 µs)

Encoder operating voltage

switchable, (generated from the 24 VDC - power contacts)

  • 5 VDC (preset) up to 0.3 A,
  • 12 VDC up to 0.15 A,
  • 24 VDC up to 0.3 A

Counter

32-bit (default) or 16/32-bit switchable

Cut-off frequency

RS422 mode:
max. 20 million increments/s with 4-fold evaluation, equivalent to 5 MHz

TTL mode:
max. 4 million increments/s with 4-fold evaluation, equivalent to 1 MHz

Open Collector:
max. 400,000 increments/s with 4-fold evaluation, equivalent to 100 kHz

Quadrature decoder

Switchable:
4-fold evaluation (preset),
2-fold evaluation,
1-fold evaluation switchable

Digital outputs

EL5131

Additional outputs

2 x push-pull, high-resistance switchable (tristate)

Nominal voltage of the outputs

24 VDC (-15 %/+20 %)

Load type

ohmic, inductive, lamp load

Output current

Push-operation: max. 0.5 A per channel
pull-operation: 0.15 A per channel

Short circuit current

Push-operation: < 0.16 A typ.
pull-operation: < 0.2 A typ.

Switching times

TON: 3 µs typ. (Push-operation)

TOFF:4 µs typ. (Pull-operation), 7 µs typ. (tristate-operation)

Function and communication

EL5131

Timestamp resolution

1 ns

Distributed Clocks

Yes

Cycle time

min. 100 µs without output function
187.5 µs when using the output function

Microincrements resolution

1/256 bit microincrements

Wire break detection to encoder

Yes for RS422 encoder

Supports NoCoEStorage function

Yes

Configuration

via TwinCAT System Manager

Special features

  • Wire break detection
  • Period value, frequency, velocity and duty cycle measurement
  • Microincrements
  • Timestamp on last incremental edge, zero pulse C, latch input, gate/latch 2 input and on the output switching limits

Supply and potentials

EL5131

Current consumption via E-bus

240 mA typ.

Current consumption from the power contacts

20 mA typ. + load

Electrical isolation

500 V (E-bus/field voltage)

Environmental conditions

EL5131

Permissible ambient temperature range during operation

0 °C ... +55 °C

Permissible ambient temperature range during storage

-25 °C ... +85 °C

Permissible relative air humidity

95 %, no condensation

General data

EL5131

Weight

approx. 50 g

Dimensions (W x H x D)

approx. 15 mm x 100mm x 70 mm (width aligned: 12 mm)

Mounting

on 35 mm mounting rail conforms to EN 60715

Installation position

Standards and approvals

EL5131

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

Protection class

IP20

Approvals/markings*

CE, EAC, UKCA

*) Real applicable approvals/markings see type plate on the side (product marking).