Danfoss PVG 100 Technical Information page 22

Technical Information
Safety in application
22
PVG 100 Proportional Valve Group
Typical wiring block diagram example
Emergency
stop
A
PVE 1
Neutral detection / Supply control
C
signal
≠
neutral
PVE 2
Neutral detection / Supply control
C
signal
≠
neutral
A– Emergency stop / man present switch
B– PVE Faultmonitoring signals
C– Neutral signal detection.
D– Hydraulic deactivation
System Control Logic e.g. PLUS+1
hydraulic system.
W
Warning
It is the responsebilty of the equipment manufacturer that the control system incorporated in the
machine is declared as being in confirmity with the relevant machine directives.
520L0720 • Rev EB • Jan 2014
Man present
switch
1)
OFF
Delay
1)
OFF
Delay
E1
Alarm
2)
logic
Output
3) Memory
Fault detection output
®
for signal monitoring and triggering signal for deactivation of the
PVEH
with AMP
connector
U
S
U
DC2
B
Error
PVEH
with AMP
connector
U
S
U
DC2
B
Error
E2
high=on
low=off
Hydraulic
D
deactivation
P301 318