3.
The
lift
7
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3.3 Safety mechanisms
Illustrations 7 ... 10: Safety mechanisms
Electric
Emergency stop switch on control panel and
control cabinet
Main switch, lockable
Dead man’s control for lifting and lowering
Synchronous run control ± 45 mm
Synchronous run monitoring < 100 mm
Electronic controls with second CPU for monitor-
ing
Safety stop during lowering 500 mm above floor
level
Acoustic alarm during lowering
Hydraulic
Safety cylinder with 2 independent hydraulic cir-
cuits
Overload pressure control valve
Seat valve in case of drive failure
Flow control valve for speed limitation during
lowering
Mechanical
Protective housing for leakage detection
7
8
9
10
Summary of Contents for DUPLEX S2
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