ABB ACS355 series User Manual

Program features 155
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

ABB ACS355 series Specifications

General

Power Range	0.37 to 22 kW
Protection Class	IP20
Output Frequency	0 to 500 Hz
Braking Chopper	Built-in
Control Method	Scalar control, Vector control
Ambient Temperature	-10 to +50 °C
Communication Protocols	Modbus, CANopen
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature
Cooling Method	Air-cooled
Number of Phases	3-phase