Chapter 2 – Overview of the ACS 502/504
ACS 502 Installation & Start-up Manual 2-11
Adjusting Display
Contrast
The contrast of the LCD can be adjusted for optimal viewing. This can be
done when the display is in the Main or Group level.
To adjust contrast, press and hold [ * ] and then press [Up Arrow] or
[Down Arrow].
You may need to adjust the display contrast if the ACS 502 has been installed
in a location with high ambient temperatures. The factory default setting is
optimum for an ambient temperature between 59°F and 86°F (15°C and
30°C).
Application Macros
Overview
Application macros are complete sets of default parameter settings for some
typical applications. This allows all of the parameters to be set with the touch
of a button.
When you select an Application macro, the parameters listed in the ACS 500
Adjustable Frequency AC Drives 2 to 350 HP Programming Manual
Including Application Macros are set to a value suitable for a particular
application. The parameters which are not included in the Application macro
retain the factory settings. If you must adjust the parameter values, refer to the
instructions in the ACS 500 Adjustable Frequency AC Drives 2 to 350 HP
Programming Manual Including Application Macros.
Hardware Description
The ACS 504 chassis units consist of a Control Unit and an Inverter Module.
These communicate via a multi-conductor cable.
The ACS 502 series drives consist of an ACS 504 chassis unit mounted in an
enclosure.
Inverter Module
Figure 2-5 shows the components of the ACS 504. Table 2-4 gives the
description of the components.
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