1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

124 Using the High-Speed Counter and Programmable Limit SwitchHSC Mode 8 ExamplesI1:0.0/1(HSC0)(A)I1:0.0/1(HSC0)(B)Value of CE BitAccumulator and Counter ActionOFF ▼ TRUE Count Up Acc. ValueON ▼ TRUE Count Down Acc. ValueOFF or ON OFF or ON X Hold Acc. ValueX X FALSE Hold Acc. ValueHSC Mode 9 - Quadrature X4 Counter with External Reset and HoldHSC Mode 9 ExamplesI1:0.0/0(HSC0)(A))I1:0.0/1(HSC0)(B)I1:0.0/2(HSC0)(Reset)I1:0.0/3(HSC0)(Hold)Value of CE BitAccumulator and Counter Action▲ OFF X - TRUE Count Up Acc. Value▲ ON X - TRUE Count Down Acc. Value▼ OFF X - TRUE Count Down Acc. Value▼ ON X - TRUE Count Up Acc. ValueOFF ▲ X - TRUE Count Down Acc. ValueON ▲ X - TRUE Count Up Acc. ValueOFF ▼ X - TRUE Count Up Acc. ValueON ▼ X - TRUE Count Down Acc. ValueOFF or ON OFF or ON OFF X X Hold Acc. ValueOFF OFF ON X X Reset Acc. to ZeroX X OFF ON X Hold Acc. ValueX X OFF X FALSE Hold Acc. ValuePublication 1766-RM001A-EN-P - October 2008