3. Installation
3−16
Festo P.BE−CPV−EN en 0503g
3.3.3 Connecting the electric cables
Information on the connection procedure as well as on
cables and current requirements can be found in the manual
CP System, installation and commissioning."
Warning
· Use only PE LV circuits as per IEC/DIN EN 60204−1 (Pro
tective Extra−Low Voltage, PELV) for the electrical supply.
Consider also the general requirements for PELV circuits
in accordance with IEC/DIN EN 60204−1.
· Use power supplies which guarantee reliable electrical
isolation of the operating voltage as per IEC/DIN EN
60204−1.
By the use of PELV circuits, protection against electric shock
(protection against direct and indirect contact) is guaranteed
in accordance with IEC/EN 60204−1 (Electrical equipment for
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).