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Disposal

Encoder components are to be disposed of according to 

the regulations prevailing in the respective country. 

Transport and storing

 

-

In original packing only.

 

-

Do not drop or expose encoder to major shocks. 

Assembly

 

-

Avoid punches or shocks on case and shaft.

 

-

Avoid case distortion.

 

-

Do not use any rigid links between encoder shaft and 

drive shaft.

 

-

Do not open or modify encoder in any mechanical way.

Shaft, bearing, glass disc or electronic componen-

ts might be damaged and a secure operation is no 

longer guaranteed.

Mechanical assembly

 

-

Mount encoder using four screws using the three fixing 

bores of the flange. Consider the depth and diameter of 

the thread. 

 

-

Use appropriate coupling to link drive shaft and encoder 

shaft. For appropriate links please refer to accessories.

The ends of the shafts must not touch each other. 

Any displacements due to temperature or me-

chanical tolerances have to be equalized by the 

coupling. Mind the maximum permitted axial or 

radial shaft load. Tighten fixing screws firmly.

Electrical installation

 

-

Do not modify encoder in any electrical way and carry 

out any wiring work under power supply.

 

-

Any electrical connection and plugging-on whilst under 

power supply is not permitted.

 

-

A separate encoder supply has to be provided with con-

sumers with high interference emission.

 

-

Encoder case and supply cable have to be completely 

screened.

 

-

Installation of the whole system has to be according 

to EMC standards. Installation environment as well as 

wiring have an impact on the encoder’s EMC. Encoder 

and supplying lines are to be in separated locations or 

remote from lines with high interference emission (fre-

quency transformers, protections, etc.). 

 

-

Ground (PE) encoder by using screened cables. The 

braided shield has to be connected to cable gland or 

plug. Grounding (PE) on both sides is recommended.

Ground the case by the mechanical assembly, if latter 

is electrically isolated a second connection has to be 

provided. Ground cable screen by the subsequently 

connected devices. In case of ground loop problems at 

least grounding on one side is imperative.

Any disregard may lead to malfunctions, material damage 

and personal injury.

Electrical connection

Any outputs not used must not be connected. Unused

cable cores have to be isolated. Max. allowed bending

radius of cable: 90 mm 

Connection – MIL-Connector

Whilst not connected, the MIL-plug is always to be sealed 

by the plastic cover provided by the manufacturer upon 

delivery. Appropriate mating connectors available as 

spare part or with different cable length, please refer to 

accessories. In case of customer-specific length use on-

ly screened cable and connectors corresponding to EMC 

standards. Consider the wiring instructions of the respec-

tive supplier.

 

-

Press mating connector softly onto the MIL-plug.

 

-

Turn mating connector carefully until the code-mark is 

interlocking the corresponding space provided by the 

MIL-plug.

 

-

Insert bushing completely and tighten the nut as far as 

possible.

An optimized connection between encoder case and the 

braided shield of the connection cable is only achieved by 

the braided shield being placed generously onto the con-

nector and the nut being secured firmly.

Terminal assignment / MIL-Connector

Plug Assignment 

 

 

10-pin connector 

7-pin connector

Pin A 

Track A 

 

Track A

Pin B 

Track B 

 

Track B

Pin C 

Zero pulse Z   

Zero pulse Z

Pin D 

Vs 

 

Vs

Pin E 

n. c. 

 

n.c

Pin F 

GND 

 

GND

Pin G 

Screen 

 

Screen

Pin H 

Track A inv. 

 

Pin I 

Track B inv. 

 

Pin J 

Zero pulse Z inv.  

Please use cores twisted in pairs for extension cables (for 

example track A/track A inv.).

Screen: connected to housing.

Cable connection

Wire color   

Assignment

green 

 

Track A

gray 

 

Track B

pink 

 

Zero pulse Z

red 

 

Vs

blue  

GND

brown 

 

Track A inv.

black 

 

Track B inv.

white 

 

Zero pulse Z inv.

Screen

G25
Incremental Encoder 

9-16

Assembly Instructions

GB

Danger

Warnings of possible danger.

General instructions

Information on appropriate product handling.

General remarks

Additional information 

The installation instruction is supplementary to further 

documentation (catalog, data sheet and manual).

It is imperative to read the manual carefully prior to star-

ting the device.

Appropriate use

 

-

The encoder is a precision measuring device. It is expli-

citly designed for registration of angular positions and 

revolutions as well as evaluation and supply of measu-

ring values as electric output signals for the subsequent-

ly connected device. The encoder must not be used for 

any other purpose.

Start up

 

-

Installation and assembly of the encoder only by electri-

cally skilled and qualified personnel.

 

-

Consider also the operation manual of the machine 

manufacturer. 

Safety instructions

 

-

All electrical connections are to be revised prior to star-

ting the system. 

 

-

Incorrect assembly and electrical connections or any 

other inappropriate work at encoder and system may 

lead to malfunction or failure of the encoder.

 

-

Any risk of personal injury, damage of the system or 

company equipment due to failure or malfunction of the 

encoder has to be eliminated by corresponding safety 

measures.

 

-

Do not operate encoder beyond the limit values stated 

in the data sheet. 

Any disregard may lead to malfunctions, material damage 

and personal injury.

Output driver

If the operating voltage is off, do not pulse the outputs 

(track) by voltage (danger of destruction).

Provide a terminator at the end of the output connecting 

lines, otherwise the output driver might be subject to over-

load by line reflections

Dimensions

with cable

with MIL-connector

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A

B

C

D

E G

F

A

B

C

D

E

F

G

H

I

J

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Fixing bore

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