Amada UNIFLOW 4 REMOTE, Operation Manual, Page: 74 / 176

CHAPTER 3: USING PROGRAMMING FUNCTIONS
UNIFLOW
®
4 PULSED HEAT CONTROL
3-24 990-908
switches to active at end of the Head Up Delay time. The relay remains active until the Control
receives the fire signal for the next process.
4.
ALARM
: Relay is
OPEN/CLOSED
for any alarm condition. This relay state is reset as referenced in
the following table.
Alarm Resetting Alarm Aborting the Process Step of Cooling
to Base or Preheat Temperature
All Alarms except for Max
Temp Alarm and Emergency
Stop (EMO) The first Digital Input Reset (J4A-7)
or Up Arrow key press will clear
alarm relay and stop graph lines from
plotting. Unit will go to Cooling,
Cooling to Base or Preheat
Temperature, or System Ready
depending on Main thermocouple
temperature. If the unit is in the
Cooling stage, the Cooling stage will
end at COOL 1 temperature if there is
no POSTHEAT time, or the Cooling
stage will end at COOL 2 temperature
if there is a POSTHEAT time.
Note: Cycling Power Also clears
alarm. Once Alarm is reset, Up Arrow key
can be used to abort process step of
Cooling to Base or Preheat
Temperature. When the Up Arrow is
pressed, unit will go to System Ready
condition and allow next reflow.
MAX TEMP ALARM
The first Digital Input Reset (J4A-7)
will clear alarm relay and stop graph
lines from plotting. Unit will go to
Cooling, Cooling to Base or Preheat
Temperature, or System Ready
depending on Main thermocouple
temperature. Note: Cycling Power
Also clears alarm relay.
Once Alarm is reset, Up Arrow key can
be used to abort process step of Cooling
to Base or Preheat Temperature. When
Up Arrow is pressed, unit will go to
System Ready condition and allow next
reflow.
EMERGENCY STOP
ACTIVATED Reconnecting Emergency Stop Circuit
will clear alarm relay. EMERGENCY
STOP message will continue to be
displayed on LCD until Main
thermocouple drops to Base or Preheat
Temperature Cannot abort Process Step of Cooling to
Base or Preheat Temperature