Technical data

Encoder

EL5021

Number of channels

1

Encoder connection

A+/Sin+, A-/Sin-
B+/Cos+, B-/Cos-
C+, C-
Level: nominal 1 Vpp (0.6...1.2 Vpp), averaged voltage to GND: 2.5 V

Notice Unipolar SinCos signals (i.e. without A-, B- or C-) are recognized as wire break/amplitude error

Position specification

32 bits (period counter + period portion, adjustable)

Period counter

19 ... 24 bits according to setting, default: 22 bits

Period resolution

8 ... 13 bits (256 ... 8192 steps per period),
depends on input frequency,
auto. reduction of resolution depending on the input frequency, default: 10 bits

Signal frequency

max. 250 kHz @ 10-bit period resolution

Sampling of the input signals with 70 MHz

Function and communication

EL5021

min. sampling rate/cycle time

80 µs

Sampling

EtherCAT-synchronously or Distributed Clocks triggered

Distributed Clocks

yes

Functions

  • C-Reset,
  • C-Latch,
  • Display amplitude/frequency error,
  • Change counting direction,
  • Frequency measurement, velocity measurement (from FW07)

Supply and potentials

EL5021

Power supply for the electronics

via the power contacts, approx. 50 mA without external encoder

Current consumption via E-bus

typ. 120 mA

Electrical isolation

500 V (E-bus/field voltage)

Encoder operating voltage/
Encoder supply

5 V (-5% / +10%), max. 0.5 A (short-circuit proof)
(generated from the 24 VDC power contacts)

Environmental conditions

EL5021

Permissible ambient temperature range during operation

-25°C... +55°C

Permissible ambient temperature range during storage

-40°C... +85°C

Permissible relative air humidity

95%, no condensation

General data

EL5021

Dimensions (W x H x D)

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

Weight

approx. 50 g

Installation

on 35 mm mounting rail, conforms to EN 60715

Standards and approvals

EL5021

Enhanced mechanical load capacity

Yes, see also Installation instructions

for terminals with enhanced mechanical load capacity

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 rating

IP20

Installation position

variable

Approvals, markings*

CE, EAC, UKCA
cULus
ATEX, IECEx

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

Ex markings

Standard

Marking

ATEX

II 3 G Ex nA IIC T4 Gc

IECEx

Ex nA IIC T4 Gc