
3
Table of conTenTs
GENERAL INFORMATION AND SAFETY INSTRUCTIONS ....................................................................................................5
1. Operating instructions .........................................................................................................................................................6
2. Authorized use ........................................................................................................................................................................7
3. Basic safety instructions ....................................................................................................................................................8
4. Use in the Ex area .................................................................................................................................................................9
5. General information ...........................................................................................................................................................10
DESCRIPTION OF SYSTEM ...................................................................................................................................................................11
6. Description and features ................................................................................................................................................13
7. Structure ..................................................................................................................................................................................15
8. Positioner Type EP 501 ....................................................................................................................................................17
9. Process controller Type EP 501 C .............................................................................................................................21
10. Interfaces of the positioner / process controller ..............................................................................................26
11. Technical data .......................................................................................................................................................................27
INSTALLATION ...............................................................................................................................................................................................33
12. Attachment and assembly .............................................................................................................................................34
13. Pneumatic connection ......................................................................................................................................................39
14. Electrical connection - Terminal version for cable gland ..............................................................................41
OPERATION .....................................................................................................................................................................................................45
15. Operating levels ...................................................................................................................................................................46
16. Operating and display elements .................................................................................................................................47
17. Operating states ..................................................................................................................................................................55
18. Activating and deactivating auxiliary functions ...................................................................................................56
19. Manually opening and closing the valve ................................................................................................................58
START-UP ..........................................................................................................................................................................................................59
20. Start-up sequence ..............................................................................................................................................................60
21. Basic setting of the device ............................................................................................................................................61
22. Activation of the process controller ..........................................................................................................................66
23. Basic setting of the process controller ...................................................................................................................67
Type EP 501
english
Table of contents