Despatch Protocol Plus Controller (Heat Only) - Manual (Page 23)

Protocol Plus Owner’s Manual O PERATION
Version 2 23
Copyright © 2010 by Despatch Industries.
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5.3. Timer Mode
1. Press Select until Timer displays.
O
Press Run at any time in the procedure to activate Timer Mode.
2. Press
Menu to display the Process Temperature Setpoint ( Setpt ). Change Setpoint
( Setpt ) by using ▲ or ▼ to change the value.
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If the SPChange on the Enable page in Setup Mode has been set
to DISABLED, it must be changed to ENABLED before any
changes to the process temperature and high limit setpoints can
be made.
3. Press Menu a second time to display current high limit setpoint (
Hi-Lim SP ). Change
Setpoint ( Hi-Lim SP ) using
▲ or ▼. If
Band displays, the high limit band feature is
activated (see Control page, Section 8.1.5) and the high limit cannot be adjusted.
4. Press Menu a third time to display Time Set . Change the time setting by using ▲ or ▼ .
5. Optional Feature: Press Menu a fourth time to display Event1 . Press ▲ to turn the
event ON or ▼ to turn the even OFF. Repeat for all events which are enabled (up to
four events).
6. Press Menu a fifth time to display the current guaranteed soak band ( TmrGuarSoak )
value. If the process temperature deviates from the setpoint by more than this value,
the timer is placed in a
Hold condition. The timer continues when the process
temperature falls within range. Reference the Quick Reference and Default Values
section (Section 8.1) for available settings.
7. To start Timer Mode, press Run . The display changes from Stop to Run and the time
remaining displays. Return to Stopped Mode by pressing Stop . While in operation,
the process setpoint can be adjusted by using
▲ or ▼ to change the value while the
mode is running. Press Menu to display the High Limit Setpoint.
Pressing
Run/Hold while in Timer Mode puts control in Hold status. The Timer LED will
flash to indicate Hold status. Press Run/Hold key again to continue timing. The Timer
LED will return to lit status.