ABB ACS320 series - How to control the drive through the I;O interface

32 Start-up and control with I/O
How to control the drive through the I/O interface
The table below instructs how to operate the drive through the digital and analog
inputs when:
• the motor start-up is performed, and
• the default (standard) parameter settings are valid.
The below examples show the Basic control panel display.
PRELIMINARY SETTINGS
If you need to change the direction of rotation, check
that parameter 1003 DIRECTION is set to 3
(REQUEST).
Make sure that the control connections are wired
according to the connection diagram for HVAC
DEFAULT macro.
See Default I/O connection
diagram on page 21.
Make sure that the drive is in remote control. Press
key to switch between remote and local control.
In remote control, the panel
display the text REM.
STARTING AND CONTROLLING THE SPEED OF THE MOTOR
Start by switching digital input DI1 on.
Basic
control panel: Text FWD starts flashing fast and
stops after the setpoint is reached
Advanced HVAC c
ontrol panel: The arrow starts
rotating. It is dotted until the setpoint is reached.
Regulate the drive output frequency (motor speed) by
adjusting the voltage of analog input AI1.
CHANGING THE DIRECTION OF ROTATION OF THE MOTOR
Reverse direction: Switch digital input DI2 on.
Forward direction: Switch digital input DI2 off.
STOPPING THE MOTOR
Switch digital input DI1 off. The motor stops.
Basic
control panel: Text FWD starts flashing slowly.
Advanced HVAC c
ontrol panel: The arrow stops
rotating.
LOC
REM
REM Hz
OUTPUT FWD
00
.
REM Hz
OUTPUT FWD
500
.
REM Hz
OUTPUT REV
500
.
REM Hz
OUTPUT FWD
500
.
REM Hz
OUTPUT FWD
00
.