STRUCTURE, FUNCTION AND MAINTENANCE STANDARD ELECTRICAL SYSTEM
PC58UU-3 10-115
12
ELECTRICAL SYSTEM
• The electrical system is intended to ensure
work safety and to facilitate operating perfor-
mance. It consists of the following sub-
systems; Interference Prevention System,
Depth Measurement System, and the Auto-
matic Boom/Arm Stop System.
CONTROL FUNCTIONS
Reduction function
Stop/alarm function
Interference prevention system Emergency stop/alarm function
Cancelling function
Reset function
Depth-from-ground-surface display function
Depth measurement system
Electrical system Depth-from-datum-plane display function
Automatic boom/arm stop system Height setup function
Boom end cushioning
Arm end cushioning
Error code display/alarm function
Self-test function
Error code memory function
(5)
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