IB140012EN
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Instructional Booklet
Effective: March 2021
Page
19
Operation and Maintenance Manual,
Automatic Transfer Switch Controller, ATC-900
Figure 7d. ATC-900 Unprogrammed Switch Type Main Screen.
Figure 7e shows the screen for setting the Switch Type. Once
selected, the up/down arrow keys cycle through Switch Types
and Transitions as shown in Table 6.
Changing the Switch Type via USB uses the standard "Load Set-
points" procedure, but as mentioned earlier the Switch Type of
the controller must be Unprogrammed prior to loading setpoints
with a new Style/Switch Type
Figure 7e. ATC-900 Style Setup Screen.
5.2.1 Entering and Exiting the Program Mode
Using the left/right arrow keys, navigate to the desired screen
icon and press the Enter key. The "Change Setpoints" screen will
require a password to access (factory default is 0900).
Press the Up arrow key to select the first programmable option.
The up and down arrow keys will navigate through the list. The
color display is not a touch screen, so all changes will require the
use of the arrow keys and the enter key.
A. Load Metering
The Load Metering screen presents (Figure 8) the different mea-
surements of the Load. Note that the DCT module is required to
display Load current, Watts, VAR, VA, and power factor. Other-
wise only voltage measurements will be shown. See Section 2 for
the DCT Module specifications.
Figure 8. Load Metering.
B. View Setpoints
This will allow the user to view the:
•
System Setups:
•
Time Delays;
•
Dropouts / Pickups;
•
Engine Test / PE; and
•
Programmable I/O.
Figure 9. Time Delays.
C. Change Setpoints
The programmable features are grouped in a logical flow for ease
of programming or users can skip to a specific group for quick
adjustments.
This will allow the user to set all available setpoints shown in the
"View Setpoints" screens. Setpoint examples will follow in Sec-
tion 5.4 and Programmable I/O examples will follow in Section
5.5. A password is required to change setpoints. The password
can be changed from the factory default of 0900 by selecting
"Change Setpoints", navigating to the "Change Password"
option, and pressing the Enter key. You will be prompted to enter
the old and new passwords. When finished, navigate to the
"Save" icon and press the Enter key.
D. Historical Data
See Section 7 for Historical and Event displays.
E. System Info
System Information is an area where the switch configuration,
GO, Serial, and version numbers can be viewed. It also provides
manual time/date setting if none of the Time Sync options are
used.
F. USB Menu
See Section 4.5 for USB operation.