Receiving power supplied from sources other than the controller
Scale
Controller
Power supply (5 V)
Power supply ground
Power supply (5 V)
Power supply ground
Power supply ground
FG
FG
Fig. 6-5
When receiving power from sources other than the controller, the controller's power supply ground and
the power supply ground of the power supply unit should have the same potential.
Note
• Th e system will not be compliant with EN61000-6-2 if the power supply line exceeds 10 m.
Devise and implement measures to prevent surges.
BF1 Series
6-4
(E)