Flow chart for sequence aba – Rockwell Automation 1771-QI,D17716.5.126 PLASTIC MOLD.MODULE User Manual
Page 140

5–8
Sequencing Co-injection
Publication 1771-6.5.126 – March 1998
Flow Chart for Sequence ABA
DYC03-B04 = 1
IPC02-B10 = 1
Wait for screw B to reach
position IPC08.
Use set-outputs INC61-64
during suspension.
TRUE
Set to suspend start
until screw B reaches
position IPC08.
FALSE
Set to enable suspension
when screw A reaches
position IPC56.
TRUE
FALSE
Run Injection Cycle
with set-outputs INC09-16
Suspend
Injection Cycle
Wait for screw B to reach
position IPC08.
Use set-outputs INC61-64
during suspension.
Time Delay
IPC07
Timer = 0
Run (resume) Injection Cycle
with set-outputs INC09-16
Start
Pack/Hold
Cycle
disable auto
to Pack/Hold
IPC02-B08 = 1
Injection ends with transition condition, 1st of:
– time
(IPC60) indicated by IPS06-B0
– screw position
(IPC61) indicated by IPS06-B1
– screw pressure
(IPC62) indicated by IPS06-B2
– cavity pressure
(IPC63) indicated by IPS06-B3
TRUE
FALSE
Screw A position
v IPC56
DYCB03-B04 = 1
IPCB02-B10 = 1
Wait for screw A to reach
position IPCB08.
Use set-outputs INCB61-64
during suspension.
TRUE
Set to suspend start
until screw A reaches
position IPCB08.
FALSE
Set to enable suspension
when screw B reaches
position IPCB56.
TRUE
FALSE
Run Injection Cycle
with set-outputs INCB09-16
Suspend
Injection Cycle
Wait for screw A to reach
position IPCB08.
Use set-outputs INCB61-64
during suspension.
Time Delay
IPCB07
Timer = 0
Run (resume) Injection Cycle
with set-outputs INCB09-16
Start
Pack/Hold
Cycle
disable auto
to Pack/Hold
IPCB02-B08 = 1
Injection ends with transition condition, 1st of:
– time
(IPCB60) indicated by IPSB06-B0
– screw position
(IPCB61) indicated by IPSB06-B1
– screw pressure
(IPCB62) indicated by IPSB06-B2
– cavity pressure
(IPCB63) indicated by IPSB06-B3
TRUE
FALSE
Screw B position
v IPCB56
(Suspend Start of Profile)
(Suspend Profile on Position)
Screw A
Screw B
Start Injection
(DYCB02-B04 = 1)
Terminate injection cycle.
Use set-outputs INC33-36.
Terminate injection cycle.
Use set-outputs INCB33-36
until QI(A) completes
injection and bridges to
Pack/Hold.
Note: Screw position values decrease going toward the mold.
Start Injection
(DYC02-B04 = 1))
Screw B Position
v IPCB08
Screw A Position
v IPC08
SYS21-B04 = 1
SYS03-B00 = 1
SYS03-B00 = 1
SYS02-B04 = 1
SYS22-B04 = 1
SYS21-B04 = 0
SYS21-B04 = 1
SYS03-B00 = 1
SYS03-B00 = 1
SYS02-B04 = 1
SYS22-B04 = 1
SYS21-B04 = 0