￭
Control panel [A59]
The control panel is the user interface of the unit. An example control panel is shown
below.
With the control panel, the user can:
• start and stop the unit
• view and reset the fault and warning messages, and view the fault history
• view actual signals
• change parameter settings
• change between local (control panel) and remote (external device) control.
To be able to start and stop the unit with the control panel, the Run enable signal and
Start enable signal must be on (1) on the supply control unit. Normally, this is the case
when the operating switch [S21] on the cabinet door is in ENABLE/RUN (1) position.
The control mode selection on the control panel must also be Local. The Loc/Rem key
of the panel selects between the local and remote control modes.
￭
PC connection
There is an USB connector on the front of the panel that can be used to connect a PC
to the converter. When a PC is connected to the control panel, the control panel keypad
is disabled.
￭
Fieldbus control
You can control the converter 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 parameters. For more information on parameters, see
ACS880 DC/DC converter control program firmware manual (3AXD50000024671
[English]).
Operation principle and hardware description 33
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