Examples Of Wiring Block Diagram - Danfoss PVG 32 Technical Information

Technical Information
PVG 32 Proportional Valve Group
Safety in application
14 | © Danfoss | November 2017

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.
A Emergency stop / man present switch
B PVE Fault monitoring signals
C Neutral signal detection
D Deactivation of the hydraulic system (System Control Logic, example: PLUS+1® for signal monitoring
and triggering signal)
W
Warning
It is the responsibility of the equipment manufacturer that the control system incorporated in the
machine is declared as being in conformity with the relevant machine directives.
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
BC00000038en-US0803