Chapter 5 Relay Ladder Logic Programming 82
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Counter Mode 2 (Overtaking, Non-Retentive)
Mode 2 Counter will count up to a fixed preset value and continue counting even reach the preset value, but it won’t
count when the current value equals 0 in counting-down mode. Additionally, the current count value is non-retentive and will
reset to init value on a powering up to the smart relay or switching between RUN and STOP. In the example below, the
counter will continuously count when reach its preset value of 20. Counter status bit C01 will be ON when the current value
is 20.
※ Under this mode, Counter will continue counting after reaching preset value if it’s configured as counting-up
mode. But it stops counting when its current value is 0 if it’s configured as counting-down mode.
※ The counter current value will be init value when the smart’s status switches between RUN and STOP or the smart
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