Festo MPA-FB Series, Manual

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5. Diagnosis and error treatment
5−11
Festo P.BE−MPA−EN en 0502b
5.3.4 Replacing electronic modules
The MPA valve terminal is fitted with one electronic module
per sub−base. It provides the following number of contacts
between the electrical linking and the solenoid coils, depend
ing on the size of the sub−bases.
for size MPA1 contacts for 4 valve locations
for size MPA2 contacts for 2 valve locations
The LEDs (function see chapter 4) and further electronic com
ponents are integral parts of the electronic module.
Caution
The electronic modules may be damaged if they are not
handled correctly.
·
Switch off the power supply before removing the elec
tronic modules.
·
Do not therefore touch any contact surfaces.
·
Observe the regulations for handling electrostatically
sensitive components.
·
Discharge yourself electrostatically before fitting or re
moving components in order to protect the components
against discharges of static electricity.
Caution
Replace an electronic module only by an electronic module
of the same type.