Junction Box Vr-7022F - Furuno VR-7000S Installation Manual

LED
ON Power is supplied
to the storage
module.
OFF Power is not sup-
plied to the stor-
age module.
Flash The watchdog is
activated.
2.3

Junction Box VR-7022F

To connect the float-free data recording unit VR-7021F to the DCU, use the junction
box VR-7022F.
For configurations that use the VR-7020, the installation procedures outlined in this
section and section 1.3 are not required.
FR-FTPC-CY cable
To the DCU (J21)
To the DCU (J312)
DPYCY-1.5 cable
1. Remove four screws to remove the cover from the junction box.
2. Unfasten three cable glands, then pass each cable through the cable entrance.
3. Fabricate the cables.
• DPYCY-1.5 cable
Vinyl tape (width: 10)
Storage Power Docking Power
Power is supplied
to the docking
module.
Power is not sup-
plied to the dock-
ing module.
The watchdog is
activated.
Cable jacket Cable jacket
Storage Com
The storage mod-
ule is connected
to the docking
module, but com-
munication is not
established.
The storage mod-
ule is not con-
nected to the
docking module.
The storage mod-
ule is connected
to the docking
module and com-
munication is es-
tablished
correctly.
Float-free DRU cable
80 80
Twist the wires.
Attach the crimp-on lug
50 50
to the armor.
2. WIRING
VDR system Com
The DCU is con-
nected to the dock-
ing module, but
communication is
not established.
The DCU is not
connected to the
docking module.
The DCU is con-
nected to the dock-
ing module and
communication is
established correct-
ly.
To the float-free DRU
2-13