HBC-4301 Operators Manual - Novatech Controls

10. CHANGING A RUNNING TEMPERATURE PROFILE
The actual heat cycle currently being run may be altered while the run is still in progress
without stopping the cycle. Select Change Zone in Progress (F4) from the main menu. An
edit box will appear for selection of heater zone of control. Select the zone number between 1
& 3 (or optionally up to 6) that you wish to modify, and press or click on OK.
Fig. 17 Change zone in progress screen
The graph on the left of the screen will show you the shape of the temperature profile being
used. The table of temperatures and times on the right define the shape of the profile. The
table may be edited, and the result can be seen immediately on the graph.
Logically only the part of the profile that has not yet been reached can be changed.
The following table shows what can be changed after a job has been started:
Ramp rate Soak temperature Soak time
When ramping Not changeable Changeable Changeable
When soaking Not changeable Not changeable Not changeable
A stage that has not yet Changeable Changeable Changeable
started
A stage that has been
completed
Not changeable Not changeable Not changeable
For example, the target temperature of a stage may be changed if the set point is still
ramping up to the soak temperature. The ramp rate, target temperature and soak time can be
changed of a stage that has not been started.
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