2.3 Installation
WARNING
Before undertaking maintenance work, switch off:
•
the load voltage supply to the relevant output
modules
Also switch off the following before undertaking
installation work:
•
the voltage supply for the higher-order system
•
the power supply to all the output modules.
You thereby avoid:
• unintentional movements of the connected
actuators.
• undefined switching states of the
electronic components.
WARNING
Connect the earth cable on the side of the housing
(see Fig. 2/1) with low impedance (short cable with
large cross-sectional area) to the earth potential.
In this way you can avoid interference caused by
electromagnetic influences.
2. Output module type CP-A08...-M12-...
CP-A08...-M12 9901b 2-5
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