Switching On The Power Supply - Festo CPX-FB6 Electronic Manual

2. Commissioning

2.1.5 Switching on the power supply

Festo P.BE−CPX−FB6−EN en 0402b
Please note
Note also the instructions in the manual for your controller
with Interbus module.
When the controller with Interbus module is switched on, it
automatically carries out a comparison between the NOM
INAL and ACTUAL configurations. It is important for this con
figuration check that:
the configuration specifications are complete and correct
the field bus slaves are supplied with power, in order that
they can be recognized when the ACTUAL configuration is
ascertained.
Therefore, switch on the power supply for all the field bus
slaves simultaneously, e.g. via a central switch. Or switch on
the power supply in the following sequence:
1. First the power supply for all the field bus slaves.
2. Then the power supply for the controller.
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