Honeywell UDC3500 - Timer

Monitoring and Operating the Controller
204 UDC3500 Universal Digital Controller Product Manual 3/07
4.9 Timer
Introduction
The Timer provides a configurable Time-out period of from 0 to 99 hours:59 minutes or
0 to 99 minutes:99 seconds.
Timer “Start” is selectable as either the RUN/HOLD key or Alarm 2.
The Timer display can be either “Time Remaining” or “Elapsed Time”.
Configuration check
Make sure:
• TIMER is enabled
• A TIMEOUT period has been selected (in hours and minutes or minutes and
seconds)
• A TIMER FUNCTION START has been selected (KEY or AL2)
• A TIMER display has been selected (Time remaining or Elapsed time)
• A timer increment selected
• Timer reset selected (KEY or AL1)
KEY means that the RUN/HOLD key is used to start and/or reset the timer.
AL1 means that either Alarm 1 or the RUN/HOLD key is used to start and/or reset
the timer.
Refer to Subsection 3.11 Algorithm Set Up Group for details.
Viewing Times
The times are viewed on the lower display as follows:
TIME REMAINING will show as a decreasing Hrs:Min value (HH:MM) or Min:Sec
value (MM:SS) plus a counterclockwise rotating clock face.
ELAPSED TIME will show as an increasing Hrs:Min value(HH:MM) or Min:Sec
value (MM:SS) plus a clockwise rotating clock face.
Operation
When the Timer is enabled (RUN/HOLD key or ALARM 2), it has exclusive control of
Alarm 1 relay.
At “TIME-OUT:
• Alarm 1 is active
• The clock character has stopped moving
• The Time display shows either 00:00 or the time-out period depending on the
configuration selection