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Programming Function Blocks and Features
Video Recorder – User Manual 113
Counter
Counts the number of OFF(0)-to-ON(1) transitions of the input. This number is output as CVn
OV. When this number reaches the Preset value, a discrete output parameter CVn OS goes
ON(1) until Reset occurs.
Table 4-21 describes the Counter prompts. See Table 4-2 for additional prompts.
Table 4-21 Counter Prompts
Prompt Range/Selections Definition
RANGE LOW
RANGE HIGH
OFF or number Enter the output's trend display limits. Output is not clamped
or flashed when it exceeds these limits.
INPUT OFF, discrete parameter, 0,
1
Input source.
RESET OFF, discrete parameter, 0,
1
When Reset is level high, output state (OS) is ON and the
counter resets to zero if counting up or to the Preset value if
counting down from it. When Reset is level low, counter
resumes counting.
PRESET OFF, analog parameter,
number
The number of input transitions after which the CVn OS
output will go ON(1). To count forever, set to OFF. If OFF,
CVn OS will not be triggered.
COUNT DOWN YES or NO Select NO to count up from zero to the Preset value; YES to
count down from the Preset value to zero. If Preset is OFF,
Count Down must be NO.