4 Electrical installation
Festo – P.BE-CPX-CMAX-SYS-EN – en 2017-09b – English 39
4 Electrical installation
4.1 Safety instructions
Warning
Danger of electric shock from voltage sources without protective measures.
For the electrical power supply, use only PELV circuits in accordance with
EN 60204-1 (Protective Extra-Low Voltage, PELV).
Also observe the general requirements of EN 60204-1 for PELV circuits.
Use only voltage sources which guarantee reliable electrical isolation of the operat
ing and load voltage in accordance with EN 60204-1.
Always connect all circuits for operating and load voltage supplies U
EL/SEN
, U
VAL
and
U
OUT
.
Through the use of PELV circuits, protection from electric shock (protection from direct and indirect
contact) in accordance with EN 60204-1 is ensured (Electrical equipment of machines. General require
ments).
ESD protection
Note
At unassigned plug connectors, there is the danger that damage may occur to the
device or to other system parts as a result of ESD (electrostatic discharge).
Seal unused connections with protective caps.
The CMAX power supply is provided via the CPX terminal (è Section 4.5).
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