Festo CPX-AP Series, Руководство по эксплуатации

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8 Installation
8.1 Power supply
8.1.1 Power supply concept
The automation system CPX-AP-I uses two separate voltages:
–
Logic supply PS: power supply for internal electronics and sensors
– Load supply PL: power supply of the electrical outputs and valves
The voltages can be supplied jointly by one fixed power supply or separately by two fixed power sup-
plies.
1 SELV/PELV fixed power supply
2 Fuse for line protection logic supply PS
(max. 4 A)
3 Fuse for line protection load supply PL
(max. 4 A)
4 Interface
5 Digital input module
6 Digital input/output module
7 Voltage forwarding (if necessary)
Fig. 5 Power supply concept
NOTICE!
Property damage due to overload of the cables.
• Observe the maximum acceptable current load of the cables.
• Only use permissible cables from the Festo catalogue for the power supply
è www.festo.com/catalogue.
NOTICE!
Loss of function due to voltage drop.
• Take into account the voltage drop at the supply feed and in the voltage forwarding
è 8.1.2 Voltage drop.
Installation
15 Festo — CPX-AP — 2019-06