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1

Singleturn absolute encoder

PVS78E

Technical Data

General specifications

Detection type

photoelectric sampling

Device type

Singleturn absolute encoder

Functional safety related parameters

25 a

20 a

7.7 E+9 at 3000 rpm

Diagnostic Coverage (DC)

0 %

Electrical specifications

10 ... 30 V DC

max. 230 mA at 10 V DC

max. 100 mA at 24 V DC

Linearity

± 2 LSB at 16 Bit, ± 1 LSB at 13 Bit, ± 0,5 LSB at 12 Bit

Output code

binary code

Code course (counting direction)

programmable,

cw ascending (clockwise rotation, code course ascending)

cw descending (clockwise rotation, code course

descending)

Interface

Interface type

PROFIBUS

Resolution

Single turn

up to 16 Bit

Transfer rate

0.0096 ... 12 MBit/s

Standard conformity

PNO profile 3.062, RS-485

Connection

Cable

Ø9.6 mm, 7-core

Terminal compartment

see ordering information

Standard conformity

Degree of protection

DIN EN 60529, IP66

Climatic testing

DIN EN 60068-2-3, no moisture condensation

Emitted interference

EN 61000-6-4:2007

Noise immunity

EN 61000-6-2:2005

Shock resistance

DIN EN 60068-2-27, 100 g, 3 ms

Vibration resistance

DIN EN 60068-2-6, 10 g, 10 ... 2000 Hz

Ambient conditions

Operating temperature

-40 ... 70 °C (-40 ... 158 °F)

Storage temperature

-40 ... 85 °C (-40 ... 185 °F)

Mechanical specifications

Material

Combination 1

housing: anodized aluminum

flange: anodized aluminum

shaft: Stainless steel 1.4401 / AISI 316

Combination 2 (Inox)

housing: stainless steel 1.4404 / AISI 316L

flange: stainless steel 1.4404 / AISI 316L

shaft: Stainless steel 1.4401 / AISI 316

Mass

approx. 2600 g (combination 1)

approx. 3900 g (combination 2)

Rotational speed

Moment of inertia

Starting torque

≤ 4 Ncm

Shaft load

Axial

60 N

Radial

80 N

Data for application in connection with

hazardous areas

EU-type examination certificate

ITS 15 ATEX 18372X

IECEx ITS 15.0061X

Marking

¬

II 2G Ex d IIC T5 Gb

¬

II 2D Ex tb IIIC T100°C Db

Directive conformity

Directive 2014/34/EU

IEC 60079-0:2011 , EN 60079-0:2012+A11:2013 , IEC

60079-1:2014 , EN 60079-1:2014 , IEC 60079-31:2013 , EN

60079-31:2014

Model Number

PVS78E

Features

• Up to 16 Bit singleturn

• ATEX approval

• IECEx approval

• Flameproof enclosure

• Removable connection cap

Description

This series of PROFIBUS rotary encoders is based

on the modern fast technology of singleturn

sampling and the mechanical gear box of the

multiturn unit. The absolute encoder corresponds to

the PROFIBUS profile for encoders, order no.

3.062. Operation is supported based on Class 1

and Class 2.

For operation based on Class 1, position data and

diagnostic data bytes 1 ... 16 are available. In

addition, the direction of the code can be selected

as either cw ascending (clockwise rotation, code

course ascending) or cw descending (clockwise

rotation, code course descending).

If the rotary encoder is operated according to Class

2, additional functions to those from Class 1 are

available. These include scaling of the resolution

per revolution and the overall resolution, as well as

the preset function. In addition, expanded

diagnostic reporting is supported.

Besides, the rotary encoder offers extended

functionalities such as speed transfer, extended

scaling functions, programmable limit switches and

a commissioning mode.

The removable connecting hood contains a slide

switch for setting the terminating resistor and the

rotary switches for setting the address. Assign a

fixed address and bus termination to the encoder

with this switches.

The device is designed for shaft mounting and is

available in servo flange or clamping flange design.

0102

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