Rockwell Automation 1398-PDM-xxx IQ Master Version 3.2.4 for IA-2000 and IQ-5000 Positioning Drive Modules, IQ-55 - Manual (Page 394)

372 Application Examples • Continuous Web with Registration
Publication 1398-PM601A-EN-P — October 2000
APPENDIXES
ual registration forward and reverse. After either of these switches is let up, the program will look for a
signal from the sensor to measure where it is, and, from then on, attempt to hold the axis where it is. I15
is used to advance and I16 is used to retard.
ULTRA Plus or IQ System Considerations
There are a few parameters that are set by the programmer in the ULTRA Plus or IQ system. SCALE1
and SCALE2 should be set to 1. The Timebase should be set to seconds. The speed (in counts/second)
of correction moves should be put into the default velocity parameter.
Flow Chart
I15=OFF No
Yes
Start Adjust
Move
I15=OFF
?
No
Start Adjust
Move
Yes
MOFS:
Measure
Offset
I16=OFF No
Yes
Start Adjust
Move
I16=OFF
?
No
Start Adjust
Move
Yes
inWin
=ON
Yes
No
>2 repeats
since last
correction
Yes
No
Turn off
windowed
search
No
count>0
OfsError =
OfsError/ntao
I13=OFF
Do correction
move
No
Yes
inWin =
ON
No
Yes
OfsError
>
windRad
Yes
No
Turn on
windowed
search
Reset OfsError Get new ntao Set count to ntao
Yes
START MAIN LOOP
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