ABB ACS355 - Sleep Function for the Process PID (PID1) Control

Program features 153
Sleep function for the process PID (PID1) control
The sleep function operates on a 2 ms time level.
The block diagram below illustrates the sleep function enable/disable logic. The sleep
function can be put into use only when the PID control is active.
1) 1 = Activate sleeping
0 = Deactivate sleeping
Motor speed: Actual speed of the motor
%refActive: The % reference (EXT REF2) is in use. See parameter 1102 EXT1/EXT2 SEL.
PIDCtrlActive: Parameter 9902 APPLIC MACRO = PID CONTROL.
modulating: Drive IGBT control is operating.
Select
Compare
1<2
Or
<1
Delay
t
1
2
NOT SEL
DI1
And
&
%refActive
PIDCtrlActive
modulating
NOT SEL
INTERNAL
DI1
Delay
t
Or
<1
StartRq
INTERNAL
Select
.
.
.
.
.
.
Compare
1>2
1
2
Set/Reset
S
R
S/R
1)
4023
4022
4024
4022
4026
0132
4025
5320 (B1)
5320 (B2)
Switch
Output
frequency
Motor
speed
9904
MOTOR CTRL
MODE