EV8.

Encoder

Size, unit

EV8SSee figure "Sin/cos signals and phase relationship".

EV8RSee figure "HTL/TTL signals and phase relationship".

EV8CSee figure "HTL/TTL signals and phase relationship".

Motor series and size

 

DRN71 – 355

Signal output

 

Sin/cos

TTL (RS422)

HTL

Supply voltage

UB

DC 7 V – 30 V

DC 7 V – 30 V

DC 4.75 V – 30 V

Supply voltage for design as safety encoder

UB_FS

DC 7 V – 30 V

Maximum current consumption, free of load

Iin

100 mA (at UB = 7 V)

Maximum pulse frequency

fpulse_max

150 kHz

120 kHz

120 kHz

Direction of rotation

 

A before B when looking at the motor output shaft
in clockwise rotation

Incremental tracks; periods per revolution

A, B

1024 (10 bits)

C

1

Position resolution, increments per revolution

A, B

4096 (12 bits)

Voltage output signal
differential

(peak-to-peak)

(B’ = B - B) (A’ = A - A)

Ut_diff

1 V ± 10%

Typical: ≥ 2 V

Typical: ≥ 2 V

Voltage output signal
non-differential

(peak-to-peak)

 

 

Ut

 

0.5 V ± 10%

 

ULow ≤ 0.5 V

UHigh ≥ 2.5 V

 

UB ≤ 6 V: TTL

ULow ≤ 0.5 V

UHigh ≥ 2.5 V

UB > 6 V: HTL

ULow ≤ 3 V

UHigh ≥ (UB - 2.5 V)

Signal level output,
nominal offset against 0 V
(A, B, C, A,B, C)

Ut_o

2.5 V ± 0.3 V

Total harmonic distortion (THD)

 

40 dB (1%), 60 dB (0.1%) from 7th harmonic

Load resistance/load current
differential

 

 

RL/IL

 

120 Ω ± 10%

 

120 Ω ± 10%

 

UB ≤ 6 V:

120 Ω ± 10%

UB > 6 V:

1 – 3 kΩ

Resistance between tracks and
reference ground

Rgnd

≥ 1 kΩ

Load capacitance, output

Co

≤ 20 nF

Voltage output signal,
differential (C’ = C - C)

(peak-to-peak)

Ut_diff

e

0.3 – 1.4 V

Typical: ≥ 2 V

Typical: ≥ 2 V

C track offset

g

192 mV ± 5 mV

Voltage output signal, non-
differential (C, C)

(peak-to-peak)

 

 

Ut_C

 

 

ULow ≤ 0.5 V

UHigh ≥ 2.5 V

 

UB ≤ 6 V: TTL

ULow ≤ 0.5 V

UHigh ≥ 2.5 V

UB > 6 V: HTL

ULow ≤ 3 V

UHigh ≥ (UB - 2.5 V)

Phase angle track C’,

n = constant

k, l

k = 180° ± 90°

l = 180° ± 90°

Signal width track C

WC

See figure

90° electrical

90° electrical

Signal logic track C

 

See figure

C = log 1, when A = B = log 1

C = log 1, when A = B = log 1

Pulse duty factor in accordance with IEC 60469-1, n = constant

 

50% ± 10%

50% ± 10%

Phase offset A : B; A : B

n = constant

d

90° ± 2°

90° ± 20°

90° ± 20°

Accuracy of the incremental section Due to the stiffness of the torque bracket, you have to take into account an automatically resetting twist of ±0.6° (depending on the direction of rotation) of the encoder housing compared to the encoder shaft.

 

±0.0194° (±70")

±0.033° (±120")

±0.033° (±120")

Accuracy of the absolute section

 

Vibration resistance in accordance with EN 60068‑2‑6

 

≤ 10 g (f > 18.5 Hz)

Shock resistance in accordance with EN 60068‑2‑27

 

≤ 100 g (t = 6 ms, 18 pulses)

Maximum speed

nmax

6000 min-1

Maximum cable lengthObserve the requirements for the cables and the supply voltage.

100 m

300 m

50 m: MOVITRAC® advanced inverters with connections to the binary input terminals and 24 V supply.

300 m: Inverters from the MOVI-C® modular system or generation B with DEU21B encoder cards or with encoder supply up to a maximum of 12 V.

100 m: in all other cases.

Duration until fault messageThe encoder has a self-diagnostic function. If a fault is detected, the sensor reports it to the encoder evaluation unit by deactivating the output signals.
(deactivated outputs)

 

≤ 25 ms

Activation time of encoder-internal diagnostics after switching on

 

≤ 200 ms

Degree of protection according to EN 60529

 

IP66

Installation altitude

h

≤ 4000 m above sea level

In areas at risk of explosion: Permitted external pressure 0.8 – 1.1 bar (at typical altitude ≤ 1800 m above sea level)

Explosion protection marking ATEX/IECEx

 

ATEX equipment category 3 (3G, 3D, 3GD)

II3G Ex ec IIC T4 Gc

II3D Ex tc IIIC T120°C Dc

IECEx EPL .c (3G-c, 3D-c, 3GD-c)

Ex ec IIC T4 Gc

Ex tc IIIC T120°C Dc

IECEx certificate of conformity depending on encoder

 

IECEx IBE 18.0032X

Corrosion protection; surface protection

 

KS, OS1 – OS4, OSG

Connection

 

  • M23 connector with 0.36 m cable directly on the encoder (without temperature sensor)
  • Integrated encoder connector on the fan guard side (can be preassembled and plugged in the field); optionally with M23 connector; without temperature sensor
  • Integrated encoder connector at the rear of the fan guard (can be preassembled and plugged in the field); optionally with M23 connector, without temperature sensor

Ambient temperature of motor

DRN71 – 132L

°C

-30 to +60

-30 to +60

DRN160 – 355

°C

-30 to +60

-30 to +60

DRN71 – 225

°C

-30 to +80

-30 to +60

-30 to +60

DRN250

°C

-30 to +60

-30 to +60

-30 to +60

DRN280

°C

-30 to +40

-30 to +40

-30 to +40

EDRN71 – 280

°C

-30 to +60

-30 to +60

-30 to +60

EDRN71 – 280S

°C

-30 to +60

-30 to +60

-30 to +60

EDRN280M

°C

-30 to +40

-30 to +40

-30 to +40

Storage temperature

°C

-15 to +70

Maximum angular acceleration

 

2x104 rad/s2

Electronic nameplate

 

RS485 (serial, asynchronous); 1920 bytes

Maximum degree of pollution during installation work

 

Degree of pollution 1 (IEC 61010-1, EN 60664-1, VDE 0110-1)

Functional safety