Examples Of Wiring Block Diagram - Danfoss PVG 16 Service Manual

Service Manual
PVG 16 and 32 Service Assembly/Disassembly Guide
Safety in Application
© Danfoss | November 2017
PVG 32 – used in system with fixed displacement pumps:
•
PVSK, commonly used in crane application - full flow dump
•
PVPX, LS dump to tank
PVG 100 – alternative LS dump/pilot supply disconnect:
•
PVPP, pilot oil supply shut off
•
External cartridge valve connecting LS pressure or main pressure to tank
PVG 120 – pump disconnect/block for variable pumps:
•
PVPE, full flow dump for the PVG 120
•
External cartridge valve connecting LS pressure to tank

Examples of wiring block diagram

Example 1
Emergency
stop
A
PVE 1
Neutral detection / Supply control
C
signal
≠
neutral
PVE 2
Neutral detection / Supply control
C
signal
≠
neutral
Typical wiring block diagram using PVEH with neutral power off switch and fault monitoring output for
hydraulic deactivation.
Man present
switch
1)
OFF
Delay
1)
OFF
Delay
E1
Alarm
2)
logic
3) Memory
Fault detection output
PVEH
with AMP
connector
U
S
U
DC2
B
Error
PVEH
with AMP
connector
U
S
U
DC2
B
Error
E2
Output
high=on
low=off
Hydraulic
D
deactivation
P301 318
L1104530 | AX00000133en-US0106 | 15