74 Program features
Operation time scheme
The simplified time scheme below illustrates the operation of the brake control
function.
T
s
Start torque at brake release (parameter
)
T
mem
Stored torque value at brake close (signal
)
t
md
Motor magnetising delay
t
od
n
cs
Brake close speed (parameter
t
ccd
Brake close command delay (parameter
)
t
cd
)
t
ex
Extended run time
Start cmd
Modulating
Ref_Running
Brake open
cmd
Ramp output
Torque ref
Ramp input
Time
t
cd
T
mem
n
cs
T
s
t
od
t
md
1
2
3
4
5
6
7
8
t
ex
Summary of Contents for ACS850 series
Page 1: ...ACS850 Firmware Manual ACS850 Standard Control Program ...
Page 4: ......
Page 56: ...56 Control locations and operating modes ...
Page 262: ...262 Parameters ...
Page 310: ...310 Fault tracing ...
Page 348: ...348 Control through a fieldbus adapter ...
Page 358: ...358 Drive to drive link ...