Mechanical Brake Control - ABB ACSM1 Firmware Manual

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Mechanical brake control

The program supports the use of a mechanical brake to hold the motor and load at
zero speed when the drive is stopped or not powered.
Mechanical brake control (with or without acknowledgement) is activated by
parameter
can be connected to, for example, a digital input. The brake on/off value is reflected
by 3.15 BRAKE
output. The brake will open upon drive start after the delay
DELAY
available. The brake will close after motor speed decreases below
CLOSE SPD
brake close command is issued, the motor torque is stored into
MEM.
Note: The mechanical brake must be opened manually before the motor ID run.
Drive control and features
35.01 BRAKE CONTROL. The acknowledgement (supervision) signal
COMMAND, which should be connected to a relay (or digital)
has elapsed and requested motor start torque
and the delay 35.04 BRAKE CLOSE DLY
35.03 BRAKE OPEN
35.06 BRAKE OPEN TORQ
35.05 BRAKE
has elapsed. When the
3.14 BRAKE TORQ
is