3 Mounting and installation
76 Festo – P.BE-MPA-EN – 1309f – English
7/8” plug, (5-pin) Pin allocation
54
3
2
1
Pin 1 0 V DC valves (leading)
Pin 2 Not connected
Pin 3 Functional ear th (leading)
Pin 4 Not connected
Pin 5 24 V DC valves
Tab. 3.12 Pin assignment of the elec t ric a ir supply plate type VMPA -FB-SP-7/8-V-5POL
3.8.2 Earthing the MPA-S valve terminal
Note
Earth your MPA-S v alve terminal!
• Connect the earth connection with the left end plate or the multi-pin plug connection
plate ( Fig. 3.15) at low impedance (short cable with large c ross-sectional area) to
the ear th potential.
• Please note the supplementary instructions on the MPA-S valve terminals with CPX
terminal in the system description of your CPX terminal.
This prevents malfunctions due to electromagnetic interference and ensures electro-
magnetic compatibility in accordance with EMC directives.
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