Timing diagram
The simplified timing diagram below illustrates the operation of the brake control
function. Refer to the state diagram above.
BOW
BRAKE OPENING
BOD
BRAKE
CLOSED
BRAKE OPEN
BCW
BCD
BRAKE CLOSING
BRAKE
CLOSED
State
Ramp to stopped
request (
44.01
b3)
Hold stopped
request (
44.01
b2)
Opening torque
request (
44.01
b1)
Brake control
signal (
44.01
b0)
Speed reference
Torque reference
Ready ref (
06.11
b2)
Modulating (
06.16
b6)
Start command (
06.16
b5)
t
md
T
s
T
mem
n
cs
t
od
t
ccd
t
cd
t
cfd
t
rod
1 2 3 4 5 6 7 8 9
Start torque at brake open (parameter 44.3)
T
s
Stored torque value at brake close (44.2)
T
mem
Motor magnetization delay
t
md
Brake open delay (parameter 44.8)
t
od
Brake close speed (parameter 44.14)
n
cs
Brake close command delay (parameter 44.15)
t
ccd
Brake close delay (parameter 44.13)
t
cd
Brake close fault delay (parameter 44.18)
t
cfd
Brake reopen delay (parameter 44.16)
t
rod
BRAKE OPENING WAITBOW
BRAKE OPENING DELAYBOD
BRAKE CLOSING WAITBCW
BRAKE CLOSING DELAYBCD
100 Program features
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