Master Drive In Master/Slave Control Wiring Diagram - Danfoss Cascade Operating Instructions Manual

Master drive in master/slave control wiring diagram

The wiring diagram below shows an example of a
Master drive in Master/Slave cascade control. The
system demonstrates a 4-20 mA pressure transmitter,
Power terminal connections
MG.60.I3.02 - VLT is a registered Danfoss trademark
Cascade Controller Option
an external safety interlock and four slave drives. The
slave drive speed reference is provided from terminal
17 as a pulse signal. The relays on the option card are
used for the Start/Stop command to the slave drives.
Control board terminal
connections
Master Drive
Option card terminal connections
19