10
Load
Maximum frequency [Hz]
Full load
50
Without load
90
Partial load
50 - 90
Table 10: Maximum frequency when lowering in Hold Speed Mode
Note:
Depending on the gearbox, the maximum possible lifting and lowering speeds are electronically
limited at 24 m/min.
Electric chain hoists with a nominal speed of more than 18 m/min at 50 Hz are decelerated be-
fore reaching the 90 Hz or 100 Hz mark.
3.4 Setting the Frequency Inverter
3.4.1 Keys for Setting
The ramps for acceleration and braking during lifting and lowering can be set using various parameters on the control
board.
Display
Unlabeled key rows
(Key assignment)
Figure 2: Arrangement of the keys on the board
Keys
Function
Remarks
Run
not used
ESC
Selection of parameter row / left arrow key
Parameter selection key
Parameter higher
Parameter selection key
Parameter lower
Stop / Reset
STR
Confirm or save selection / Right arrow key
ESC
+
STR
Open input level
Table 11: Functions of the keys on the board
www.hoistandwinch.co.uk
Содержание STAR LIFTKET VFD
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