Danfoss VLT AutomationDrive FC 300 - Page 60

2-28 Gain Boost Factor
Range: Function:
1.00* [1.00 - 4.00 ] Only active in flux closed-loop. The function ensures a smooth transition from torque control mode
to speed control mode when the motor takes over the load from the brake.
Figure 4.1: Brake release sequence for hoist mechanical brake control
I)
Activate brake delay : The adjustable frequency drive starts again from the mechanical brake engaged position.
II)
Stop delay : When the time between successive starts is shorter than the setting in par. 2-24 Stop Delay , the adjustable frequency drive
starts without applying the mechanical brake (e.g., reversing).
4 How to Program
VLT
®
AutomationDrive FC 300 Instruction
Manual
4-14 MG.33.AG.22 - VLT
®
is a registered Danfoss trademark
4