Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual User Manual
Page 280
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AĆ8
A.1.4
Counter Variables
A counter variable is a data structure that combines preĆdefined elements into a single
symbol.
This element:
Is a:
Current
double integer element that contains the current
count
Current is initialized to 0 when a program first begins
to run unless the counter is a global and declared
nonĆvolatile in the Variable Configurator.
CPreset
double integer element that contains the value that
the counter should count to or from
QU
Boolean output that is true when the value in Current
is greater than or equal to the preset value (CPreset)
QD
Boolean output that is true when the value in Current
is less than or equal to zero
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