44 Operation principle and hardware description
To change between local and remote control mode, press the Loc/Rem key of the control
panel. For the instructions on the use of the panel, see ACX-AP-x assistant control panels
user's manual (3AUA0000085685 [English]). For the parameter settings, see appropriate
firmware manual.
PC connection
There is a USB connector on the front of the panel that can be used to connect a PC to the
drive. When a PC is connected to the control panel, the control panel keypad is disabled.
See also section Connecting a PC on page 139.
Fieldbus control
You can control the unit through a fieldbus interface if the unit is equipped with an optional
fieldbus adapter and when you have configured the control program for the fieldbus control
with the parameters. For information on the parameters, see appropriate firmware manual.
Note: To be able to switch the main contactor [Q1.2] and the supply unit on and off (Run
enable signal) through the fieldbus, the Run enable command at digital input DI2 must be
on (1).
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