Festo MPA-ASI Series, Manual

Page: 95 / 208

3. Installation
3−25
Festo P.BE−MPA−EN en 0802c
3.4.7 Connecting the electric cables
Warning
·
In order to provide the electric power 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
electrical isolation of the operating voltage as per
IEC/DIN EN60204−1.
By the use of PELV power units, protection against electric
shock (protection against direct and indirect contact) is
guaranteed in accordance with IEC/DIN EN 60204−1
(electrical equipment of machines, general requirements).
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
compressed air).
MPA−S valve terminal with CPX terminal:
Instructions on connecting the operating voltage can be
found in the system manual.
Detailed instructions on connecting CPX modules (bus node,
I/O modules etc.) can be found in the relevant manuals for
the CPX modules (see system manual for your CPX terminal,
table Manuals on the CPX terminal").
MPA−S valve terminal with multipin connection:
Instructions on connecting the electric elements of the MPA−S
valve terminal with multipin connection can be found in the
leaflet supplied with the product.