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

Using the High-Speed Counter and Programmable Limit Switch 119HSC Mode 0 - Up CounterHSC Mode 0 ExamplesInput Terminals I1:0.0/0 (HSC0) I1:0.0/1 (HSC0) I1:0.0/2 (HSC0) I1:0.0/3 (HSC0) CE Bit CommentsFunction Count Not Used Not Used Not UsedExample 1 ⇑ on (1) HSC Accumulator + 1 countExample 2 ⇑ on(1)⇓ off (0) off (0) Hold accumulator valueBlank cells = don’t care, ⇑ = rising edge, ⇓ = falling edgeTIPInputs I1:0.0/0 through I1:0.0/11 are available for use as inputs to otherfunctions regardless of the HSC being used.HSC Mode 1 - Up Counter with External Reset and HoldHSC Mode 1 ExamplesInput Terminals I1:0.0/0 (HSC0) I1:0.0/1 (HSC0) I1:0.0/2 (HSC0) I1:0.0/3 (HSC0) CE Bit CommentsFunction Count Not Used Reset HoldExample 1 ⇑ on ⇓ offoff on (1) HSC Accumulator + 1 count(1) (0)(0)Example 2Example3Example 4on(1)Blank cells = don’t care, ⇑ = rising edge, ⇓ = falling edge⇓off(0)on(1)on(1)on(1)⇓⇓⇓off(0)off(0)off(0)on(1)off (0)Hold accumulator valueHold accumulator valueHold accumulator valueExample 5 ⇑ Clear accumulator (=0)TIPInputs I1:0.0/0 through I1:0.0/11 are available for use as inputs to otherfunctions regardless of the HSC being used.tPublication 1766-RM001A-EN-P - October 2008