
Contents and general instructions
IV Festo P.BE-CPA-EN en 0207c
4. Commissioning 4-1................................................
4.1 Testing the valves 4-4...............................................
4.1.1 Checking the valve functions 4-5..............................
4.1.2 Checking the valve-cylinder combination 4-9....................
4.2 Eliminating faults 4-15...............................................
4.2.1 Impairment of function 4-15...................................
4.2.2 LED display of the valves 4-17..................................
5. Maintenance and conversion 5-1.....................................
5.1 General precautionary measures 5-4..................................
5.2 Dismantling the CPA valve terminal 5-5.................................
5.3 Replacing CPA valve terminal components 5-9...........................
5.3.1 Replacing valve sub-bases, blanking plates or
additional supply plates 5-9..................................
5.3.2 Replacing the large surface-mounted silencer 5-11................
5.3.3 Replacing the end plate, sub-base or manifold block 5-12...........
5.4 Conversion work on the CPA valve terminal 5-19..........................
5.4.1 Conversion from non-locking to locking/non-locking
manual override 5-19.........................................
5.4.2 Conversion to internal or external pilot air 5-21....................
5.4.3 Converting the CPA valve terminal to different pressure zones 5-22...
5.4.4 Conversion of valve location for actuating one or
two solenoid coils 5-24.......................................
5.5 Adding/removing valve locations 5-25..................................
A. Technical appendix A-1.............................................
A.1 Festo accessories A-3...............................................
A.2 Technical specifications A-4..........................................
B. Supplementary component summary and installation instructions B-1.....
B.1 Overview of end plates B-3..........................................
B.2 Separating the CPA valve terminal from the CPX terminal B-6...............
C. Index C-1.........................................................