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9

Danger

Warnings of possible danger.

General instructions

Information on appropriate product handling.

General remarks

Additional information 

The assembly instruction is supplementary to further 

existing documentation (e.g. catalog, data sheet, 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 ex-

plicitly designed for registration of angular positions 

and revolutions as well as evaluation and supply of 

measuring values as electric output signals for the sub-

sequently 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.

 

Fixing bore

Eccentric

fixing

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 three screws using the three 

fixing bores of the flange. Consider the depth and dia-

meter of the thread.

 - Alternative mounting in any angular position is possible 

by means of three eccentric fixings (accessories). 

 - 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 

mechanical 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 brai-

ded 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 electri-

cally isolated a second connection has to be provided. 

Ground cable screen by the subsequently connected 

devices. In case of ground loop problems at least groun-

ding 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. bending radius of 

cables 90 mm. After the reset process the zero input 

should be grounded (GND) externally for better protection 

against interferences.

Assignment – connector M12 / M23

Whilst not connected, the connector 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 connector.

 - Turn mating connector carefully until the code-mark is 

interlocking the corresponding space provided by the 

connector.

 - 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

GBP5W
GXP5W
GXU5W
Absolute Encoder – CANopen 

9-16

Assembly Instructions

GB

Dimensions

Clamping flange and connector M23

Clamping flange and D-SUB

Clamping flange and connector M12

Connector dimensions

Dimensions

Clamping flange and 2 x connector M12, axial

Clamping flange and 2 x connector M12, radial

Synchro flange

9

ø

53

ø

58

15

20

10

10

48

±0.1

3

3

40°

57

M3x7 (3x120°

ø

10 h6

ø

36 f8

9

ø

10h6

ø

53

ø

58

15

20

10

16

48

±0.1

59

3

3

57

M3x7 (3x120°)

ø

36 f8

9

ø

53

ø

58

15

20

10

12

48

±0.1

58

3

3

57

M3x7 (3x120°)

ø

10 h6

ø

36 f8

9

ø

53

ø

58

15

20

10

16

48

±0.1

59

3

3

57

M3x7 (3x120°)

ø

10 h6

ø

36 f8

9

ø10h6

ø36f8

ø53

ø58

15

20

10

48

±0.1

3

3

57

16
15

M3x7 (3x120°)

0[[ƒ

“

¡

¡I

¡K

¡

Terminal assignment
Connector M12

Connector  Core colour 

Assignment

Pin 1 

brown 

GNDB

Pin 2 

white 

UB

Pin 3 

blue 

CAN_GND

Pin 4 

black 

CAN_H

Pin 5 

grey 

CAN_L

 
Connector D-SUB

Connector  Assignment
Pin 1 

Pin 2 

CAN_L

Pin 3 

CAN_GND

Pin 4 

Pin 5 

Pin 6 

GNDB

Pin 7 

CAN_H

Pin 8 

Pin 9 

UB

 
Connector M23

Connector  Core colour 

Assignment

Pin 1 

bown/green 

UB

Pin 2 

white/green 

GNDB

Pin 3 

pink 

CAN_L

Pin 4 

grey 

CAN_H

Pin 5 

white 

CAN_GND

Pin 6-12 

– 

 

Please use cores twisted in pairs (for example CAN_H/ 

CAN_L) for extension cables of more than 10 m length.

4

3

2

1

5

5

1

2

3

4

1

2

3

4

5

6

7

8

9

10

12

11

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