Switching On The Operating Voltage - Festo CP-FB11-E Programming Manual

2. Commissioning

2.1.3 Switching on the operating voltage

Common supply
Separate supply
2−6
Please note
Please observe also the switching−on instructions in the
PLC manual for your controller.
When you switch on your controller, it automatically carries
out a comparison between the NOMINAL and the ACTUAL
configurations. For this configuration run it is important that:
the configuration specifications are complete and correct.
the power supply for the programmable logic controller
and that for the field bus slaves are switched on either
simultaneously or in the sequence indicated above.
Please observe the following points when switching on the
power supply:
If there is a common supply for the control system and for the
field bus slaves, the power should be switched on via a cen
tral power unit or central switch.
If there is a separate supply for the control system and for the
field bus slaves, the power should be switched on in the fol
lowing sequence:
1. the power supply for all the field bus slaves
2. the power supply for the control system.
Festo P.BE−CP−FB11−E−EN en 0802d