BECKHOFF CU8880-0000 - Manual (Page 10)

Installation Instructions
8 CU8880-0000
Connecting devices
Warning
The power supply plug must be withdrawn!
Please read the documentation for the external devices prior to connecting
them.
During thunderstorms, plug connector must neither be inserted nor
removed.
When disconnecting a plug connector, always handle it at the plug. Do not
pull the cable!
Connecting cables
The connections are documented in the section Product Description .
When connecting the cables to the CU8880, proceed according to the
following sequence:
• Switch off all the devices that are to be connected.
• Disconnect all the devices that are to be connected from the power
supply.
• Connect all the cables between the CU8880 and to the devices
that are to be connected.
• Reconnect all devices to the power supply.