ABB ACSM1 Firmware Manual page 134

134
(0) FAULT
(1) ALARM
(2) OPEN FLT
Parameters and firmware blocks
The drive trips on fault BRAKE NOT CLOSED / BRAKE NOT OPEN if
the status of the optional external brake acknowledgement signal
does not meet the status presumed by the brake control function. The
drive trips on fault BRAKE START TORQUE if the required motor
starting torque at brake release is not achieved.
The drive generates alarm BRAKE NOT CLOSED / BRAKE NOT
OPEN if the status of the optional external brake acknowledgement
signal does not meet the status presumed by the brake control
function. The drive generates alarm BRAKE START TORQUE if the
required motor starting torque at brake release is not achieved.
The drive trips on fault BRAKE NOT CLOSED / BRAKE NOT OPEN if
the status of the optional external brake acknowledgement signal
does not meet the status presumed by the brake control function
during the opening of the brake. Other brake function errors generate
alarm BRAKE NOT CLOSED / BRAKE NOT OPEN.