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H Applicable to Various System Configurations
Remote I/O communications and message communications are available as communications func-
tions. Normal control inputs are controlled by the remote I/O communications function. When neces-
sary, the message communications function is used to monitor each Inverter. It is possible to control the
selection of either the communications control input or local control input provided that the Inverter soft-
ware version is higher than Ver. 1042.
Note For connecting the CompoBus/D Communications Card of the Inverter, use DCA1-5C10 Thin
Cables and branch them from the T-branch Tap.
Thick Cables cannot be used for this kind of wiring because of the terminal block dimensions.
As for multi-drop wiring, use Thin Cables for direct insertion. Thick Cables cannot be used for this
kind of wiring.
C200HW-DRM21-V1 or
CVM1-DRM21-V1 (Master Unit)
Message communications function
Reading Inverter
output current
Remote I/O function
Output (PC to 3G3FV)
Input (3G3FV to PC)
3G3FV-series Inverter
3G3FV-PDRT1-SIN
CompoBus/D
Communications Card
Power supply
Motor
Selection of either the communications
control input or local control input is
possible using Net.Ctrol./Net.Ref.
(Applicable to Inverter software higher
than Ver. 1042.)
Note: T-branch wiring using Thin
Cables
Switch
Run
Forward
Reverse
Stop
Wd 15 to 0
n Inverter run commands
n+1 Rotational speed reference
Functions and System Configuration Chapter 1