Rockwell Automation 1771-QDC PLASTIC MOLD.MODULE User Manual
Page 105
2–39
Command Word/Bit Descriptions
Publication 1771-6.5.88 – July 1997
ERC
Word
Description
ERC29
Output #5 Deceleration Ramp Rate during Retract [20]
ERC30
Output #6 Deceleration Ramp Rate during Retract [20]
ERC31
Output #7 Deceleration Ramp Rate during Retract [20]
ERC32
Output #8 Deceleration Ramp Rate during Retract [20]
End of Retract Set-output Values
At the end of each retract stroke during the Ejector Profile, the
module checks the following to determine further control action:
•
state of EPC03-B12
•
states of SYS21-B10 through SYS21-B13
•
completion status of the Ejector Profile
if
and
and
then the module:
EPC03-B12= 0 B10-B13 in SYS21 all
= 0
Ejector Profile is complete
uses the ramps ERC17-ERC32 to move its outputs to ERC33-ERC40,
and sets status bit SYS22-B15
EPC03-B12= 0 any one of B10-B13
in SYS21 = 1
Ejector Profile is complete
ignores ERC33-ERC40 and gives all output control to the executing
Clamp Open Profile
EPC03-B12= 0 N/A
Ejector Profile is incomplete
ignores ERC33-ERC40 and continues the Ejector Profile
EPC03-B12= 1 B10-B13 in SYS21 all
= 0
N/A
uses the ramps ERC17-ERC32 to move its outputs to ERC33-ERC40,
and sets status bit SYS22-B15
EPC03-B12= 1 any one of B10-B13
in SYS21 = 1
N/A
ignores ERC33-ERC40 and gives all output control to the executing
Clamp Open Profile
Word
Description
ERC33
Output #1 Set-output Value at End of Retract [19]
ERC34
Output #2 Set-output Value at End of Retract [19]
ERC35
Output #3 Set-output Value at End of Retract [19]
ERC36
Output #4 Set-output Value at End of Retract [19]
ERC37
Output #5 Set-output Value at End of Retract [19]
ERC38
Output #6 Set-output Value at End of Retract [19]
ERC39
Output #7 Set-output Value at End of Retract [19]
ERC40
Output #8 Set-output Value at End of Retract [19]
Pressure Control Limits
Word
Description
ERC41
Retract stroke Pressure Minimum Control Limit [03] Minimum controllable ejector-retract pressure attainable during any Press/Pos
Ejector Profile retract stroke. The module expects this ejector- retractpressure when setting its selected pressure retract valve to the
%- output in ERC43.
ERC42
Retract stroke Pressure Maximum Control Limit [03] Maximum controllable ejector-retract pressure attainable during any Press/Pos
Ejector Profile retract stroke. The module expects this ejector- retract pressure when setting its selected pressure retract valve to the
%- output in ERC44.
ERC43
Selected Pressure Retract Valve Output for Minimum [19] 0% CV output percentage that the module uses to drive the selected
pressure retract valve during any Press/Pos Ejector Profile. The module expects a pressure equal to ERC41 when setting the se-
lected pressure retract valve to this %-output during stroke execution. The Press/Pos Ejector Profile retract stroke will be executed
as a reverse-acting algorithm if this entry is greater than ERC44.
ERC44
Selected Pressure Retract Valve Output for Maximum [19] 100% CV output percentage that the module uses to drive the selected
pressure retract valve during any Press/Pos Ejector Profile. The module expects a pressure equal to ERC42 when setting the se-
lected pressure retract valve to this %-output during stroke execution. The Press/Pos Ejector Profileretract stroke will be executed
as a reverse-acting algorithm if this entry is less than ERC43.