Winco DGC-2020 - Manual (Page 24)

2-2 DGC-2020 Human-Machine Interface 9400200990 Rev B
Table 2-1. Front Panel HMI Descriptions
Locator Description
A Liquid Crystal Display. The backlit, 64 by 128 pixel LCD serves as the local information
source for metering, alarms, pre-alarms, and protective functions. Display operation is
maintained at -20
°C. An optional LCD heater maintains display operation at -40°C.
B Not in Auto Indicator. This red LED lights when the DGC-2020 is not operating in Auto
mode.
C Alarm Indicator. This red LED lights continuously during alarm conditions and flashes
during pre-alarm conditions.
D Supplying Load Indicator. This green LED lights when the generator current is greater
than EPS threshold current.
E Alarm Silence Pushbutton. Pressing this button opens the relay output programmed as
the horn output.
F Lamp Test Pushbutton. Pressing this button tests the DGC-2020 indicators by exercising
all LCD pixels and lighting all LEDs.
G Auto Pushbutton and Mode Indicator. Pressing the Auto button places the DGC-2020 in
Auto mode. The green Auto mode LED lights when Auto mode is active.
H Off Pushbutton and Mode Indicator. Pressing this button places the DGC-2020 in Off
mode. The red Off mode LED lights when the DGC-2020 is in Off mode.
I Run Pushbutton and Mode Indicator. Pressing this button places the DGC-2020 in Run
mode. The green Run mode LED lights when Run mode is active.
J Reset Pushbutton. This button is pressed to cancel a settings editing session and discard
any settings changes. When pressed, this button also resets the Breaker Management
Pre-Alarms.
K Arrow Pushbuttons. These four buttons are used to navigate through the front panel
display menus and modify settings.
The left- and right-arrow buttons are used to navigate through the menu levels. The right-
arrow button is pressed to move downward through the menu levels and the left-arrow
button is pressed to move upward.
Within a level, the up-arrow and down-arrow buttons are used to move among items
within the menu level. Pressing the down-arrow button moves to items lower in the list.
Pressing the up-arrow button moves to items higher in the list.
During a settings editing session, the up- and down-arrow buttons are used to raise and
lower the value of the selected setting.
L Edit Pushbutton. Pressing this button starts an editing session and enables changes to
DGC-2020 settings. At the conclusion of an editing session, the Edit pushbutton is
pressed again to save the setting changes.
DISPLAY OPERATION
The front panel display is used to make settings changes and display metering values. Refer to call-outs
J, K, and L in Table 2-1 for information on changing settings through the front panel and navigating
through the Metering screens.
Login and Permissions
Login
To login, navigate to the SETTINGS, ENTER PASSWORD screen and press the Edit key. Use the
Up/Down arrow keys to scroll through the characters. Use the Left/Right arrow keys to enter more
characters. Once the password has been entered, press the Edit key to login. A LOGOUT selection now
appears in the list of SETTINGS. To logout, navigate to SETTINGS, LOGOUT and press the Edit key.
The LOGOUT selection is removed from the SETTINGS list.