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Color Change
Change Sequence
Sequence
Color
Color
Change
Sequence
NOTE: If the Inlet st ack is set t o
S ingle , the Ma te ria l Re a dy fla g ne e ds to
be s e t prior to s ta rting a re cipe cha nge . If
the Ma te ria l Re a dy fla g is not s e t, the
pump(s ) will not fill with the de s igna te d
ma te ria l a nd the re cipe cha nge will not
comple te . S e e "Write Ma te ria l Re a dy Fla g
DCS Comma nd a nd Cus tom Va lve
Ma pping" for more de ta ils .
Syst em Mode = Re c ip e
Change
(Out put Re gis te r 00 = '2')
System Mode = Recip e
Change P urge A, B, C, or D
(Output Register 00 = '3','4' ,
'5', or '6')
Is solvent flow switch
1, 2, 3, or 4 ON?
YES
NO
Purge phase time
expired?
Is purge com plete and
are p umps primed?
Mix material out t o gun.
System Mode = Mix Fill
(Outpu t Register 00 = '6')
3A6287E
Operation Using a Programmable Logic Controller (PLC)
(0,1 - 40) t o Input Registe r 02
Is system in Standb y
with no a la rm conditions ?
NO
Purge no flow timeout
NO
expired?
YES
Is there another purge
YES
phase?
Fill mat erial out to mix
Syst em Mode = Recipe
YES
Change: Fi ll
(Out put Re gis te r 00 = '5')
Is mix fill complete?
NO
No solvent flow detected.
YES
NO
manifold.
System Mode = Stand by:
YES
(Output Register 00 = '11')
Recipe Chan g e System
Command
Write '3' to Input Re gis te r 00
No action taken.
Either pu mps a re curre ntly
running or an alarm
condition ex is ts .
Generate alarm.
NO
Is material fille d out to
mix ma nifold?
YES
Mix Ready
43
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