Parker HannifinP Series User Guide 1878.2 Indexing Position Operation8.2.1 Concept of IndexAn index consists of the following components : Distance, Speed, Acceleration,Deceleration, Registration Distance, Registration Speed, Repeat Count, Dwell Time,Next Index, Action. Below are descriptions of each of the components. DistanceDistance refers to the moving distance of each index (Unit: UU): it can be eitherabsolute or relative.The final distance for absolute movement is the difference between the movingdistance and the current position. The final distance for relative movement is themovement distance.The final moving distance is the size of the colored area under theacceleration/deceleration pattern below. SpeedSpeed determines the target speed for index operation (Unit: UU/s).Speed always has positive value regardless of the movement distance. Thepositivity/negativity of the target speed is determined based on thepositivity/negativity of the movement distance.When the moving distance is not sufficient compared with the set value of speed andacceleration/deceleration, a triangular pattern may be generated, which means thespeed failed to reach the target speed.www.comoso.com
