Danfoss FC 300 Design Manual page 48

3 Introduction to AutomationDrive FC 300
3
Illustration 3.6: Brake release sequence for hoist mechanical brake control
Activate brake delay:
I)
Stop delay:
II) When the time between successive starts is shorter than the setting in par. 2-24
without applying the mechanical brake (e.g. reversing).
NB!
For an example of advanced mechanical brake control for hoisting applications, see section
3.9.3 Brake Resistor Cabling
EMC (twisted cables/shielding)
To reduce the electrical noise from the wires between the brake resistor and the frequency converter, the wires must be twisted.
For enhanced EMC performance a metal screen can be used.
48
The frequency converter starts again from the
MG.33.BC.02 - VLT
mechanical brake engaged
position.
Stop Delay
Application Examples
® is a registered Danfoss trademark
FC 300 Design Guide
, the frequency converter starts