54 ACH580 Installation, Operation and Maintenance Manual
ACH580-01 Installation
How to control the drive through the I/O interface
Instructions below are for operating the drive through the digital and analog inputs 
when:
β’ the motor start-up is performed, and 
β’ the default parameter settings of the HVAC default configurations are in use.
Preliminary settings
If you need to change the direction of rotation, check that limits allow reverse 
direction. Check parameter group 30 Limits and make sure that the minimum limit 
has a negative value and the maximum limit has a positive value.
Note: Default settings only allow forward direction.
1. Make sure that the control connections are wired according to the connection 
diagram given for the HVAC default. See section Default control connections for the 
HVAC default on page 39.
2. Make sure that the drive is in external control. To switch to external control, press 
key  . In external control, the panel display shows text Auto at the top left.
Starting and controlling the speed of the motor
1. Start by switching digital input DI1 on. The arrow starts 
rotating. It is dotted until the setpoint is reached.
2. Regulate the drive output frequency (motor speed) by 
adjusting voltage of analog input AI1. 
Stopping the motor
1. Switch digital input DI1 off. The arrow stops rotating.
1
Go to the Main menu by pressing
   (Menu) in the 
Home view.
Select Primary settings and press   (Select) (or 
).