l Afterafallingedgefromthereferencemark:Thefirstzeropulsecorresponds
tothezeropoint.
l Afteranactivereferencemark:Thezeropointcorrespondstothefirstzero
pulseafterthefallingedge.
Image 8.54: Zero pulse after falling edge corresponds to the zero point.
ID No.: 0842.26B.5-01Date: 09.2020
ServoOne- Device Help
262
8 Motion profile
8.5.11Method(11)to(14):Referencemark,zeropulse
andnegativelimitswitch
8.5.11.1Method(11)
l Reversalofdirectionofmovementafteractivereferencemark.Thezeropoint
correspondstothefirstzeropulseafterthefallingedge.
l Zeropointatthefirstzeropulseafterfallingedgefromthereferencemark.
l Movementmusthavegonebeyondthereferencemark,thenthefirstzero
pulsecorrespondstothezeropoint.
Image 8.55: Reversal of direction of movement after active reference mark
8.5.11.2Method(12)
l Zeropointcorrespondstothefirstzeropulseifthereferencemarkisactive.
l Reversalofdirectionofmovementafterafallingedgefromthereference
mark.Thezeropointcorrespondstothefirstzeropulseafterarisingedge
fromthereferencemark.
l Reversalofdirectionofmovementwhenthereferencemarkhasbeen
passed.Thezeropointcorrespondstothefirstzeropulseafterarisingedge.