Delta VFD-VJ Series - Page 32

Chapter 2. Wiring | VFD-VJ
2-7
Multi-pump Operation Mod
Confluence Mode

slave
pressure
feedback
pressure
command
flow rate
command
hydraulic pump
activation
Confluence-Diversion Mode

(03-13=1)
SON
PI
QI
SG+
SG-
PS
U
V
W
SG+
SG-
IN.PWR.
SINK
M
3~
M
3~
pressure
feedback
MI
PS
U
V
W
PI
QI
flow rate
command
IN.PWR.
SINK
hydraulic
outlet1
hydraulic
outlet2
(03-13=2)
master1
pressure
command
flow rate
command
hydraulic pump
activation
master2/ slave
pressure
command
confluence
/
diversion
signals
NOTE:
1) VFD-VJ-C series do not require external communication card EMVJ-MF01.
2) If you need to release the pressure by running reversely at the slave pump, you don’t need to
install a one-way valve at slave pump’s oil outlet.