Honeywell VRX180 User Manual

Page 127

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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.

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