Festo MPA-FB Series, Manual

Page: 69 / 168

3. Installation
3−23
Festo P.BE−MPA−EN en 0502b
3.3.5 Connecting the electric cables
Warning
·
In order to provide the electric supply, use only PELV
circuits as per IEC/DIN EN 60204−1 (Protective Extra−Low
Voltage, PELV).
Take into account also the general requirements for
PELV circuits as per IEC/DIN EN 60204−1.
·
Use only power packs which guarantee reliable electri
cal isolation of the operating voltage as per IEC/DIN EN
60204−1.
By the use of PELV power units, protection against electric
shock (protection against direct and indirect contact) is guar
anteed in accordance with IEC/DIN EN 60204−1 (electrical
equipment of machines, general requirements).
Please note
Check within the framework of your EMERGENCY STOP
circuit, to ascertain the measures necessary for putting
your machine/system into a safe state in the event of an
EMERGENCY STOP (e.g. switching off the operating voltage
for the valves and output modules, switching off the com
pressed air).
MPA valve terminal with CPX terminal:
Instructions on connecting the operating voltage can be
found in chapter 3 of the CPX system manual.
Detailed instructions on connecting the CPX modules (field
bus node, I/O modules etc.) can be found in the relevant
manuals for the CPX modules.
MPA valve terminal with MP or MPM connection:
Instructions on connecting the electric cables can be found in
the leaflet supplied with the product.