Program features 83
Timing diagram
The simplified timing diagram below illustrates the operation of the brake control
function. Refer to the state diagram above.
t
md
Motor magnetization delay
t
od
Brake open delay (parameter 44.08 Brake open delay)
n
cs
Brake close speed (parameter 44.14 Brake close level)
t
cd
Brake close delay (parameter 44.13 Brake close delay)
BCW BRAKE CLOSING WAIT
BCD BRAKE CLOSING DELAY
Start command
(06.16 b5)
Modulating (06.16 b6)
1 23 4 5678
Ready ref (06.11 b2)
Speed reference
Brake control signal
(44.01 b0)
Ramp to stopped
request (44.01 b3)
Hold stopped request
(44.01 b2)
t
od
n
cs
BRAKE
CLOSED
State
BRAKE
CLOSED
BRAKE OPENBRAKE OPENING
BRAKE CLOSING
BCW BCD
t
md
ACS180 FW.book Page 83 Tuesday, March 9, 2021 2:25 PM
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