![background image](http://html.mh-extra.com/html/danfoss/pvg-120/pvg-120_technical-information_507215013.webp)
Electrical block diagram for the illustration above
Example of a typical wiring block diagram using PVEH with neutral power off switch and fault monitoring
output for hydraulic deactivation.
Fault detection output
high=on
low=off
Alarm
logic
2)
Memory
3)
E1
E2
Output
A
N
D
O
R
Neutral detection / Supply control
signal
≠
neutral
OFF
Delay
1)
2(U
DC2
)
3( )
4(Error)
1(U
S
)
PVEH
with AMP
connector
2(U
DC2
)
3( )
4(Error)
1(U
S
)
PVEH
with AMP
connector
Hydraulic
deactivation
Neutral detection / Supply control
signal
≠
neutral
OFF
Delay
1)
PVE 1
PVE 2
Emergency
stop
Man present
switch
C
C
D
B
B
A
P301 318
A – Emergency stop/man present switch
B – PVEH fault monitoring signals
C – Neutral signal detection
D – Hydraulic deactivation
Technical Information
PVG 120 Proportional Valve Group
Safety in Application
520L0356 • Rev JA • Mar 2014
13
Содержание PVG 120
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