Graco PRECISION MIX 949-999 Manual page 16

Setup Screens (Continued)
Number of Purge Cycles
PURGE SEQUENCE
EQUALS XX CYCLES
NEW VALUE? XX
NO QUIT
Press NO
(Press QUIT to return to
Setup Ratio Title screen)
Setup Alarms Title Screen
SETUP ALARMS?
RECIPE 00
NO YES QUIT
Press YES
Pot Life Time Limit
POT LIFE TIME LIMIT
IS XXX MINUTES
NEW VALUE? XXX
NO QUIT
Press NO
Pot Life Reset Volume
POT LIFE VOLUME
IS XXX cc
NEW VALUE? XXX
NO QUIT
Press NO
Pot Life Alarm
POT LIFE TIME LIMIT
STOPS SYSTEM
CHANGE?
NO YES QUIT
POT LIFE TIME LIMIT
SYSTEM CONTINUES
CHANGE
NO YES QUIT
Press NO
16
684-015
Pendant Screens
RPT
or
With this screen, you select how many times the purge
sequence shifts between Component A purge and
Component B purge when the Operator Switch is set to
PURGE. The value can be set from 0 to 99 cycles.
NOTE: At the end of the purge cycle, the purge
sequence will immediately stop and a message
requesting a change to STANDBY will be displayed on
the pendant.
If you want to change the program in the alarms
category, press the YES key.
change the program in the alarms category, press the
NO key to move to the Change Installation Title
screen (on page 19). Press the QUIT key to return to
the Main Title screen.
appears when the recipe portion of the program is
activated.
With this screen, you set the maximum time allowed for
mixed fluid to sit in the system before tripping a pot life
alarm. Enter a time value that represents the fluid while
it is still at its normal viscosity. To enter a new value,
key in a number and press ENTER. The value can be
set from 0 to 999 minutes. It will display on line two.
NOTE: The pot life timer is reset either by a purge, or
by the passage of a specified amount of fluid.
With this screen, you set the volume of fluid the
Precision Mix™ will mix before the pot life timer resets.
Enter a valve that represents the volume of mixed fluid
that is in the system. To enter a new value, key in a
number and press ENTER. The value can be set from 0
to 999 cubic centimeters. It will display on line two.
These screens allow you to select to have the pot life
alarm stop the system or allow it to continue operating.
In either case, the alarm light on the pendant blinks, the
alarm annunciator output goes on, and the relevant
alarm message is displayed on the pendant. When the
pot life alarm is reset by either a purge or the movement
of the specified amount of fluid, the alarm light will go
out, the alarm output will go off, and the display will
return to the Target/Actual screen (on page 11).
If you do not want to
NOTE: RECIPE 00 only