18 • vacon
description of parameters
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2.3 MECHANICAL
BRAKE
CONTROL
The mechanical brake control parameters affect the mechanical brake control, the
smooth start and stop function and the safety functions.
The mechanical brake can be set to release on current, on torque or on frequency.
These parameters can be set individually for forward and reverse direction
DIN3 or DIN4 can be programmed for brake open Enable.
The closing is performed by frequency and by Run request signal. In case of fault the
brake closes immediately without delay.
Run Request
signal
DC- Brake
P2.3.3.1-4
Br Open Del
P2.3.1.7
BR Mec Delay
P2.3.1.8
Brake Cl Del
P2.3.2.2
Brake Open
R02
P2.2.3.1
Levelling Speed
f/Hz
Max Freq
Brake closed
P2.3.1.9
P2.3.2.1
FreqCloseLim
P2.3.3.4
StopDC Freq
Cur/Freq lim
P2.3.1.1-6
*)
Figure 2. Mechanical brake control logic.
*) Start signal to Brake open delay when current, freq. and torque exceed limits defined by
parameters.
