Specifications

I.B. ATS-I005
Page 14
Effective 6/00
status, including source information, timer countdowns
and failure reports. The display functions in a similar
manner, whether in the Automatic, Test or Program
Modes (Figure 3-2). Refer to Appendix A for a complete
list of Status Display messages.
3.4.2 SOURCE 1 AND 2 DISPLAYS
These displays indicate the present status of the
sources in terms of voltage, frequency and condition
(Figure 3-3). If the source is available the condition dis-
play will be “GOOD,” if it is unavailable one of the follow-
ing possible conditions will be shown.
• OVER-V The source has risen above the dropout
setting and not dropped below the pickup
setting.
• UNDER-V The source has dropped below the
dropout setting and not risen above the
pickup setting.
• OVER-F The source has risen above the dropout
setting and not dropped below the pickup
setting.
• UNDER-F The source has dropped below the
dropout setting and not risen above the
pickup setting.
3.4.3 LOAD DISPLAY
This display indicates the voltage and frequency of the
connected load.
3.4.4 HISTORY DISPLAY
This display indicates historical and cumulative values
as follows (Figure 3-4):
• Source 1 Engine Run Time
• Source 2 Engine Run Time
• Source 1 Connected Time
• Source 2 Connected Time
• Total Availability Time Source 1
• Total Availability Time Source 2
• Total Time Load Energized
• Total Number of Transfers
• Time/Date/Reason for 16 most recent transfers
Refer to paragraph 3.3.6 (Increase and Decrease
Pushbuttons) and Appendix B for additional infor-
mation pertaining to accessing historical informa-
tion and historical data definitions.
3.4.5 TIME/DATE DISPLAY
This display indicates real-time in terms of hours, min-
utes and seconds on one display and month, day and
year on a second display. It also indicates individual
time items for programming purposes.
Refer to paragraphs 3.3.4 (Display Select Pushbut-
ton), 3.3.5 (Step Pushbutton), 3.3.6 (Increase and
Decrease Pushbuttons) and Appendix C for addition-
al information pertaining to Time/Date information.
Figure 3-3 Typical Source 1 Display (Single Phase
Line Voltage RMS - Source 1)
Figure 3-4 Typical History Display (Source 2
Engine Run Time in Hours)
Figure 3-5 Typical Setpoints Display (Time Delay
Engine Start - Minutes and Seconds)
Figure 3-2 Typical Time Delay Normal to
Emergency Time Display Upon Normal Source Loss
NOTICE
NOTICE