Rockwell Automation 1746-MPM INSTALL INSTRUC MOLD PRESSURE - Manual (Page 12)

12 Mold Pressure Module
Publication 1746-5.13 July 1998
2. Observe the displayed pressure value.
With DARTWin software running on your PC, observe the displayed peak
pressure. It should be proportional to the bridge imbalance.
8. Write ladder logic
The level of module performance depends on the ladder logic that you write
to make the module perform:
We give sample ladder rungs for the above:
For this performance You must write ladder logic to: See Example
trigger module to machine cycle set module command bits 1
monitor alarms read module status bits 2
monitor channel 1 and 2 data read status words 1 and 2 3
monitor summary data read M0/M1 file data 4
scale module’s A/D count to PSI compute PSI 5
send pressure (in PSI) to module copy PSI value into output image table 6
save M0/M1 config data copy M0/M1 files into selected N files 7
restore M0/M1 config data copy N files into M0/M1 files 8
0000
B9:16
4
Injection
Forward
(In For Inject,
Pack and Hold)
O:8
0
MPM: Trigger 1 is
ON (start machine
cycle)
0001
B106:1
15
Injection
Profile
Active
O:8
1
MPM: Trigger 2 is
ON (inject fill)
0002
B3:4
9
Initiate
Plasticat-
ion
O:8
2
MPM: Trigger 3 is
ON (plasticate time)
0003
B3:7
1
Initiate
Clamp
Close
(Auto)
O:8
3
MPM: Trigger 4 is
ON (cure time) 41317
Example 1