Danfoss FC 300 Design Manual page 151

FC 300 Design Guide
8.1.4. Galvanic Isolation in the MCB 101
Digital/analog outputs in the MCB 101 are galvanically isolated from other inputs/outputs on the
MCB 101, but not from the ones on the control card of the drive. Digital/analog 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 digital inputs 7, 8 or 9 are to be switched using the internal 24 V power supply (terminal 9), the
connection between terminal 1 and 5 illustrated in the drawing has to be established.
8.1: Principle Diagram
8.1.5. Digital inputs - Terminal X30/1-4
Digital input:
Number of digital inputs
MG.33.B9.22 - VLT ® is a registered Danfoss trademark.
8. Options and Accessories
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