
Programming
Programming Overview:
After pressing the PROGRAM key, the EL78 will continue to control the outputs based on the
events that were operating at the time the PROGRAM key was pressed. The control will not
check for new events until it has gone through a status update.
The control remains fully functional after pressing the REVIEW key, provided the REVIEW key
wasn’t pressed while in the programming mode.
During operation the control will be in the RUN mode. When programming (or reviewing), the
order of the program headers and steps is as follows:
TIME - set time, date, daylight savings time
CONF - 12/24, stagger up, durations 1-4, duty cycles 1-4
ASTR - sunrise, sunset, latitude, hemisphere
EVNT - on, off, durations 1-4, duty cycles 1-4
INPT - configure inputs
EVNT SENS - sensor events
HOL - set holidays
From the HOL header, the control will loop around to the TIME header. The OVER (over-ride) mode
is only accessible from the RUN mode. The following is a detailed explanation of each mode.
In all modes use the NEXT key to advance to the next item to be programmed or reviewed and
the PREVIOUS key to go back to the previous item. Use the + and - keys to modify the current
(flashing) item.
Memory Clear
Indicates that the memory has been cleared. Use the NEXT key to begin program-
ming.After initial power up or a reset, the control will be in MEM CLR (memory clear)
mode. This mode is only accessible once.
Toggle between MAINtAin (maintained) or MOMNtARY (momentary) operation using
the +/- key. When configured for momentary, relays 1, 3, 5, & 7 will provide the ON
pulses, and relays 2, 4, 6, & 8 will provide the OFF pulses. An EL78 configured for
momentary operation will become a four channel control. Use the NEXT key to contin-
ue programming.
Toggle between 12 hour (AM/PM) or 24 hour (00:00-23:59) clock format using the +/- key.
NOTE:
After selecting relay operation and clock format, press the PROGRAM key to
begin programming steps in the TIME header.
Set Time
Set Time header. This mode is used for setting time, date and daylight savings time.
Use the NEXT key to begin programming.
Program hours, minutes, seconds and day of week using the +/- key. A PM indicator is
used in the 12 hour format. AM begins with midnight and PM begins with noon.
NOTE: Only the pm indicator will appear in the 12 hr format.
Program month, date and year.
To disable daylight savings time operation, select NO.
Program the day that daylight savings time begins. The control defaults to the first
Sunday in April. At 2:00 AM on this day, the control’s time will advance one hour.
Program the day that daylight savings time ends. The control defaults to the last
Sunday in October. At 2:00 AM on this day, the control’s time will go back one hour.
7
Summary of Contents for EL78
Page 9: ...U S LATITUDE CHART 9 World Latitude Chart ...
Page 26: ...26 NOTES ...
Page 27: ...27 NOTES ...