Easy xLogic, User Manual

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4 4 4 4.4.13 .4.13 .4.13 .4.13 Up/Down Up/Down Up/Down Up/Down counter counter counter counter
Short
Short Short
Short description
description description
description
An input pulse increments or decrements an internal value, depending on the parameter
setting. The output is set or reset when a configured threshold is reached. The direction of
count can be changed with a signal at input Dir
Connection Connection Connection Connection Description Description Description Description
Input R R R R You reset the output and the internal
counter value to zero with a signal at input
R (Reset).
Input Cnt Cnt Cnt Cnt This function counts the 0 to 1 transitions
at input Cnt. It does not count 1 to 0
transitions.
Input Dir
Dir
Dir Dir Input Dir (Direction) determines the
direction of count:
Dir = 0: Up
Dir = 1: Down
Parameter On: On: On: On: On threshold
Value range: 0...99999999
Off: Off: Off: Off: Off threshold
Value range: 0...99999999
StartVal: StartVal: StartVal: StartVal: Initial value from which to begin
counting either down or up.
Retentivity Retentivity Retentivity Retentivity set (on) = the status is
retentive in memory.
Output Q Q Q Q Q is set and reset according to the actual
value at Cnt and the set thresholds.
Note Note Note Note
：
The Start Value parameter does only exist on ELC-12 CPU
（
new version
）
. The counter always
counts up or down from 0 on ELC-18 CPU.
Parameter
Parameter
Parameter Parameter
The on threshold On and the off threshold Off can be provided by the value of another
already-programmed function:
Analog comparator: Ax – Ay
Analog trigger: Ax
Analog amplifier: Ax
Analog multiplexer: AQ