ABB ACS580 Firmware Manual page 110

106 Program features
input/output in output mode) which is then wired to the brake actuator through a relay.
See the wiring example on page 109.
The brake control logic, in various states, will request the drive control logic to hold
the motor or ramp down the speed. These requests are visible in parameter
Brake control status.
Settings
Parameter group 44 Mechanical brake control
Brake state diagram
(from any state)
1
BRAKE DISABLED
9
State descriptions
State name
BRAKE DISABLED
BRAKE OPENING:
BRAKE OPEN
(from any state)
2
BRAKE CLOSED
7
BRAKE CLOSING
BRAKE CLOSING
DELAY
6
BRAKE CLOSING WAIT
Brake control is disabled (parameter
Brake control status b4 = 0). The open signal is active
status b0 = 1).
Brake has been requested to open.
signal has been activated
held in place by the speed control of the drive until
elapses.
The brake is open (44.01 Brake control status
(44.01 Brake control status
reference.
(page 292).
3
6
3
5
5
8
Description
44.06 Brake control enable
(44.01 Brake control status
(44.01 Brake control status
b0 = 1). Hold request is removed
b2 = 0), and the drive is allowed to follow the
44.01
BRAKE OPENING
4
BRAKE OPEN
= 0, and 44.01
(44.01 Brake control
b2 = 1). Open
b0 is set). The load is
44.08 Brake open delay