ABB ACS320 - Sleep Function for the Process PID (PID1) Control

Program features 125
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
4022
SelectCompare
1<2
Or
<1
4024
Delay
t
1
2
4023
NOT SEL
DI1
And
&
%refActive
PIDCtrlActive
modulating
Set/Reset
S
R
S/R
NOT SEL
INTERNAL
DI1
4026
Delay
t
Or
<1
StartRq
5320 (B1)
5320 (B2)
1)
INTERNAL
4022
Select
Mot. speed: Actual speed of the motor
%refActive: The % reference (EXT REF2) is in use. See parameter 1102.
PIDCtrlActive: 9902 is PID CTRL.
modulating: The inverter IGBT control is operating.
.
.
.
.
.
.
Compare
1>2
1
2
Output
freq.
0132
4025
4030
Delay
t
Or
<1
Set/Reset
S
R
S/R
2)
2) 1 = Activate sleep boost
0 = Deactivate sleep boost