Operation Using a Programmable Logic Controller (PLC)
Color
Color
Color Change
Change
Change Sequence
Sequence
Sequence
YES
YES
YES
NO
NO
NO
NO
YES
NO
YES
YES
Write Go to Re c ip e Nu m b e r
(0,1 - 30) t o Input Registe r 02
NOTE: If using Cus tom Ma pping for color
cha nge va lve s , a nd the Inle t s ta ck is s e t to
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 .
Recipe Chan g e System
Command
Write ‘3’ to Input Re gis te r 00
Is system in Standb y
with no a la rm conditions ?
Is purge com plete and
are p umps primed?
Is material fille d out to
mix ma nifold?
Fill mat erial out to mix
manifold.
Syst em Mode = Recipe
Change: Fi ll
(Out put Re gis te r 00 = ‘5’)
No action taken.
Either pu mps a re curre ntly
running or an alarm condition
exists.
Syst em Mode = Re c ip e
Change
(Out put Re gis te r 00 = ‘2’)
Purge Material B out gun.
Syst em Mode = Re c ip e
Change: Purge B
(Out put Re gis te r 00 = ‘4’)
Pump will flus h the n prime .
Purge Material A out gun.
Syst em Mode = Re c ip e
Change: Purge A
(Out put Re gis te r 00 = ‘3’)
Pump will flus h the n prime .
Is Material B
chang ing?
Is Material A
chang ing?
Is mix fill complete?
NO
Mix material out t o gun.
System Mode = Mix Fill
(Outpu t Register 00 = ‘6’)
System Mode = Stand by:
Mix Ready
(Output Register 00 = ‘11’)
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