ACQ550-U1 User’s Manual 39
Start-up, control with I/O and ID Run
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. 
PRELIMINARY SETTINGS
If you need to change the direction of rotation, check that parameter 
1003 is set to 3 (
REQUEST).
Ensure that the control connections are wired according to the 
connection diagram given for the ABB Standard macro.
See section ABB 2-wire macro 
on page 58.
Ensure that the drive is in remote control.
In remote control, the panel 
display shows text AUTO.
STARTING AND CONTROLLING THE SPEED OF THE MOTOR
Start by switching digital input DI1 on. 
ACQ Control 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.
ACQ Control Panel: The arrow stops rotating.