Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual User Manual
Page 38

2Ć4
Parameter
Data Type/Range
Variable Type
Description
Name
Enter the name of the counter variable you want to use for
this instruction.
data structure
counter
See also About
Counter Variables"
CPreset
Enter the value you want the counter to count up to or
count down from. This value is stored in name.CPreset.
See Changing the Preset Value of a Counter Instruction
by Using Ladder Logic," section 2.3.
constant
double integer
2.1.2
Output Parameters for the Count Up Down Instruction
This table lists the outputs for the CTUD instruction. To use them, connect them to a
contact, coil, or Boolean input of another instruction.
Parameter
Description
ENO
Use this output as the input to another instruction for easily chaining
multiple instructions. This output follows the state of EN.
QU
This output is true when the value in Current is greater than or equal to
the preset value (CPreset).
QD
This output is true when the value in Current is less than or equal to 0.