Control System Example - Danfoss PVG 120 Service Manual

Service Manual
Safety in application

Control system example

8
PVG 120 Proportional Valve Group
Example of a control system for manlift using PVE Fault monitoring input signals and signals from external
sensors to ensure the PLUS+1® main controllers correct function of the manlift.
Legend:
1 – Main power supply
2 – Emergency stop/man present switch
3 – HMI/Joystick control
4 – Movement detection sensors
5 – Main controller
6 – PVG control valve
7 – Hydraulic deactivation
520L0247 • Rev JA • May 2014