Heats Setup - Control Page 3 143
User Guide v 2.0 — March 2023 System Setup
Table 10-10 System Setup Screen - Heats Setup - Control Page 3
Item Description
AltaStart Enable Used to enable AltaStart function for heat sequencing. Refer to
Section 9.3.
NOTE: At least one zone’s heater type must be set to ‘Tips’ or the
system will not allow you to enable the function.
AltaStart Integral Limit This setting is used when the system is using AltaStart to limit the
integral value on tip zones if the value is greater than the limit. The
limit will only be used until the zone’s temperature reaches the ‘At
Temperature’ window and then the integral’s original value will
be restored. The setting value is only used when the system is first
started and after circuit test is complete. If the value is changed
while running, then it will be ignored until the controller is
stopped and then started again.
The range is 0.1 to 250.0. The default value is 8.0.
Heat Uniformity Method Lets you select the heat uniformity method you want to use:
• UniStart - When selected, this provides the shortest start-up
time while ensuring that all temperatures track to their
setpoint. Refer to Section 9.4.
• Soft Start - When selected, the soft start process is applied
upon startup. Refer to Section 9.6.
• None
The default value is UniStart. Only the settings that are specific to
the method selected will be enabled. For example, if UniStart is
selected then all the Soft Start settings will be disabled. This
setting is saved to the mold setup.
Global Ramp Limit This setting is applied to all zones in the UniStart process. It is the
rate at which temperature will increase per minute as it heats to
setpoint. The valid range is 9°F to 180°F or 5°C to 100°C. The
default value will be 180°F or 100°C. This setting is saved to the
mold setup.
Fast Heating Enable Used to enable the Fast Heating function (refer to Section 9.5).
Soft Start Minimum Limit When the soft start process is started, the system calculates the
difference between the zones with the highest and lowest
temperatures. If this difference is less than this parameter value,
then this parameter value is applied to the soft start process.
NOTE: This setting is enabled only when Soft Start is selected in
the Heat Uniformity Method field.
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