Festo — CPX-AP-A — 2022-07
Commissioning
27
1
2
3
4
3
5
Fig. 21: Earthing via the left end plate
1
Earth terminal
2
Screw
3
Washer
4
Earthing cable
5
Contact washer
Malfunction due to electrostatic influence
–
Connect the earth terminal to the earth potential with low impedance.
–
Avoid interference voltages on the conductive substrate.
–
Use earth wire with a nominal cross-section 4 … 6 mm
2
, preferably an earthing strap made of copper
braid.
–
Earthing cables should be as short as possible.
8
Commissioning
In order to avoid connection and addressing faults, the automation system CPX-AP-A must be commis-
sioned as follows:
1. Check assembly and connections.
2. Configure the settings at the interface.
3. Without higher-order controller: test the function of the automation system.
4. With higher-order controller: commissioning on the network.
8.1
Checking assembly and connections
1. Check that the modules are installed securely.
2. Check connection of functional earth FE.
3. Check that connected cables are seated firmly.
