CHAPTER 4: OPERATING INSTRUCTIONS
UNIFLOW
®
4 PULSED HEAT CONTROL
4-4 990-908
GRAPH Screen Detail #1
The six lines of information in the upper
right corner are:
Profile Number
10 alpha-numeric character
user-settable reference for
selected profile
IDLE ON will be displayed is
the Idle temperature was set to
on in Reflow Setup schedule.
If Idle is off, then this line will
be blank.
Close-UP View
POST ON will be displayed if a Postheat process cycle has been setup for the selected
profile. During the actual Postheat process cycle, POST ON will appear in inverse font.
Actual temperature of
Auxiliary thermocouple.
Actual temperature of
Main thermocouple.
GRAPH Screen Detail #2
The table on the right side of the screen
indicates the peak and average
temperature results:
PP: Peak Preheat
Temperature.
PA: Average Preheat
Temperature.
RP: Peak Reflow
Temperature.
RA: Average Reflow
Temperature.
Close-UP View
The actual temperature is displayed in the middle column as soon as the particular process
cycle is over.
The four columns on the right indicate if the process was outside the peak and average
temperature limits (L Column for
Main thermocouple and l column for Auxiliary
thermocouple) or outside the envelope (E Column for
Main thermocouple and e column for
Auxiliary thermocouple). O indicates pass. Up arrow ↑ indicates above requirement.
Down arrow ↓ indicates below requirement. A combined up and down arrow ↨ indicates
the parameter was both above and below the requirement.
A “-“ indicates either that the particular process check features is not selected for the
profile or that is applicable.
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