
2 PME120-AI / PME120-AN (Contrac) ELECTRICAL ROTARY ACTUATOR | SEI/PME120-EN REV. A
Table of contents
1Safety.......................................................................... 3
General information and instructions.................................. 3
Warnings.................................................................................... 3
Intended use .............................................................................4
Improper use.............................................................................4
Notes on data safety ...............................................................4
Warranty provisions.................................................................4
Manufacturer’s address ..........................................................4
2Introduction ...............................................................5
Safety and precautions ...........................................................5
Tools ...........................................................................................5
3Actuator versions ......................................................6
PME120-AI..................................................................................6
PME120-AN ................................................................................6
4Lubrication .................................................................6
Mounting position ...................................................................6
Oil change.................................................................................. 7
PME oil types............................................................................. 7
5Maintenance...............................................................8
Safety instructions...................................................................8
General .......................................................................................8
Lever ...........................................................................................8
Lever removal.......................................................................8
Lever installation .................................................................9
Ball-and-socket-joint ...............................................................9
Removal.................................................................................9
Installation............................................................................9
Sealing ring of output drive shaft .......................................10
Motor........................................................................................ 12
Motor removal.................................................................... 12
Motor shaft sealing ring .................................................. 12
Motor installation.............................................................. 13
Brake adjustment................................................................... 13
6Electrical connections............................................. 14
General .....................................................................................14
Actuator versions...................................................................14
PME120-AI ...........................................................................14
PME120-AN .........................................................................14
Removal of integrated electronic unit................................ 15
Covers....................................................................................... 15
Integrated PME120-AI Electronic unit.................................16
Analog / Digital.................................................................. 16
PROFIBUS DP®.................................................................... 17
Electronic unit EAN823 (Contrac) for PME120-AN............ 18
Analog / Digital.................................................................. 18
PROFIBUS DP®....................................................................19
Electronic unit EAS822 (Contrac) for PME120-AN ............20
Analog / Digital..................................................................20
Fuses ........................................................................................ 21
Fuse location......................................................................22
7Exchange of position sensor ..................................23
Dismounting........................................................................... 23
PME120-AN (for separate electronic unit).................... 23
PME120-AI (with integrated electronic unit)................ 23
Mounting................................................................................. 24
8Electrical test values ...............................................25
Test values (position sensor) .............................................. 25
Test values (Brake and Motor) ............................................ 26
Brake voltage..................................................................... 26
Motor voltage .................................................................... 26
Winding resistance ........................................................... 26
9Failure detection......................................................27
LED signals at commissioning and service field.............. 27
10 Troubleshooting ......................................................27
General..................................................................................... 28
Failures at brake, fuse or wiring ......................................... 29
Operation mode (MAN / AUT).............................................30
Input configuration ................................................................31
Operation behind step controller....................................... 32
Failure Diagram...................................................................... 33
Failure due to response of positioning loop
monitoring .............................................................................. 34
General..................................................................................... 34
User interface menus............................................................ 35