Danfoss VLT AutomationDrive FC 300 Design Manual page 134

8. Options and Accessories
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8.1.4. Galvanic Isolation In The MCB 101
Digital/analog inputs are galvanically isolated from other inputs/outputs on the MCB 101 and in
the control card of the drive. Digital/analogue outputs in the MCB 101 are galvanically isolated
from other inputs/outputs on the MCB 101, but not from these on the control card of the drive.
If the digital inputs 7, 8 or 9 are to be switched by use of the internal 24 V power supply (terminal
9) the connection between terminal 1 and 5 which is illustrated in the drawing has to be estab-
lished.
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Terminal cover
MG.33.B9.02 - VLT ® is a registered Danfoss trademark
FC 300 Design Guide