Service Manual
PVG 16 and 32 Service Assembly/Disassembly Guide
Safety in Application
16 |
©
Danfoss | November 2017
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.
Example 2
Emergency
Stop
PVE 1
Neutral detection / Supply control
signal
≠
neutral
2)
DI-B
DI-A
DI
Output
Logic
U
S
PVE 2
Neutral detection / Supply control
signal
≠
neutral
2)
DI-B
Output
DI-A
DI
Logic
U
S
Fault monitoring for deactivation of the hydraulic system with extra fault inputs using the PVE's with DI
(Direction Indication) function. System Control Logic, example PLUS+1® for signal monitoring and
triggering signal for deactivation of the hydraulic system.
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
Fault detection
3)
4)
Delay
Memory
1)
OFF
Delay
Fault detection
3)
4)
Delay
Memory
Fault detection output
PVEH-DI
AMP supply
connector
U
S
U
DC2
Error
PVEH-DI
AMP connector
DI-A
DI-B
Error
PVEH-DI
AMP supply
connector
U
S
U
DC2
Error
PVEH-DI
AMP connector
DI-A
Error
high=on
low=off
Hydraulic
deactivation
P301 319
L1104530 | AX00000133en-US0106
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