Rockwell Automation 1771-QDC, D17716.5.93(Passport) PLASTIC MOLDING MODULE - Manual (Page 186)

Span Your Valves
Chapter 9
9-20
Span your injection pressure valve for optimum pressure performance.
You do this in four parts:
Confirm critical values
Span your injection pressure valve(s)
Test valve linearity with a pressure vs. time injection profile
Set profile pressure alarms
Important: You may omit the procedure Span your injection pressure
valve(s) in this section if the recorded valve spanning data from the
manufacturer in pressure control limits INC41-44 (chapter 7) is adequate
for your application.
Confirm Critical Values
Important: Confirm that all entries you made for configuration values
(chapter 7) and profile values (chapter 8) are as follows:
On Worksheet Confirm Your Configuration With These Words or Bits ProĆSet Addr.
7ĆE, 7ĆG QDC module output to which you connected
your pressure control valve
INC02ĆB06, B05, B04 B38/20, 21, 22
SetĆoutput values for unselected valves INC09Ć12 = your values N44:5, 6, 7, 8
All ramping is disabled with zero ramp rates INC17Ć20 = 0
INC25Ć28 = 0
N44:13Ć16
N44:21Ć24
Pressure limits:
Minimum Pressure Control Limit
Maximum Pressure Control Limit
Selected Pressure Valve, Output for Min
Selected Pressure Valve, Output for Max
INC41 = 0
INC42 = system pressure
INC43 = your value
INC44 = your value
N44:37
N44:38
N44:39
N44:40
EndĆofĆprofile setĆoutput values HDC33Ć36 for zero output N44:209Ć212
8ĆB, 8ĆC Pressure vs Time algorithm IPC03ĆB01 = B00 = 1 B38/96Ć97
OpenĆloop control IPC04ĆB03 = B02 = B01 = B00 = 1 B38/112Ć115
Expert Response Compensation (ERC) = Off IPC04ĆB11 = B10 = B09 = B08 = 1 B38/120Ć123
Pressure setpoints IPC10,14,18,22,26,30,34,38,42,46,50
all equal to oneĆhalf system pressure
start @ N44:66
end @ N44:106
Time setpoints IPC12,16,20,24,28,32,36,40,44,48
all equal to 1 second (100)
start @ N44:68
end @ N44:104
Transition setpoints
Time limit
Ram (screw) position
Ram (screw) pressure
Cavity pressure
Minimum position for pressure transition
IPC60 = 10 seconds (1000)
IPC61 = zero to inhibit
IPC62 = zero to inhibit
IPC63 = zero to inhibit
IPC64 = zero to inhibit
N44:116
N44:117
N44:118
N44:119
N44:120
Logical bridge to stop and set outputs HPC03ĆB08 = 1 B38/296
If these are not your current values, we suggest that you correct them now
using the download procedure discussed in chapter 4.
INC Profile -
Pressure Valve