Rockwell Automation AutoMax Enhanced Ladder Editor - Manual (Page 87)

FĆ3
F.2 Correcting Ladder Program Conversion
Warnings and Errors
This section lists some of the warning messages generated when you convert
an old ladder program to a V4.0 or later program and describes what you can
do to fix them. The messages are posted in the file UPDATE.LOG or
program_name.LOG.
Message: What the message
means:
Resolution:
In old Rung number xx
(new Rung number xx),
the old global preset
variable is no longer used.
The variable assigned
to the PN parameter in
the old timer or
counter instruction was
a global integer
variable.
To use a global
variable as a timer or
counter preset, define
the timer or counter
data structure as a
global, double integer
array by using the
Variable Configurator.
For more information
about preset values,
see About Timer
Variables" and About
Counter Variables."
In old Rung number xx
(new Rung number xx),
the old global current
value variable is used.
The variable assigned
to the CN parameter in
the old timer or
counter instruction was
a global integer
variable.
To use a global
variable to store a
timer's or counter's
current value, define
the timer or counter
data structure as a
global, double integer
array by using the
Variable Configurator.
For more information
about current values,
see About Timer
Variables" and About
Counter Variables."
In old Rung number xx
(new Rung number xx), a
preset variable is used that
was also used on another
rung.
In older ladder
programs, you could
use the same preset
variable on multiple
timers or counters in
the same program.
Now, each timer or
counter instruction in a
program must have a
unique data structure
assigned to it.
To use the same preset
variable on multiple
timers or counters, add
MOVE instructions to
copy the preset value
from one of the
timer/counter data
structures to another
timer/counter data
structure.