IMO iSmart V4 - Page 148

Chapter 5 Relay Ladder Logic Programming 134
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Timing diagram for AR
Rate = MaxL/Ta; T1=Level0*Ta/MaxlL; T2=（Level1-Level0）*Ta/MaxL;
T3=（Level1-Level2）*Ta/MaxL; T4=（Level3-Level2）*Ta/MaxL;
The
example below shows how to configure AR function.