YASKAWA MP2000 Series User Manual

YASKAWA MP2000 Series User Manual Manual pdf 43 page image

2.5 Counter Function Details4322.5.7 Ring CounterThe Ring Counter function cyclicly controls the counter count value to be written in the input register within the rangebetween 0 and the maximum ring counter value (POSMAX). Set the maximum ring counter value in the fixed param-eter No. 19 (Maximum value of Ring Counter).When the fixed parameter No. 13 (Ring-Counter function selection) is set to 1: Use, the value of the input registerNumber of POSMAX Turns (PMAXTURN: IL+E) increments by 1 (for forward rotation) or decrements by 1(for reverse rotation) every time the count value exceeds the ring counter reset position.This function can be used for the machine configuration to be reset cyclicly without using a special application pro-gram.2.5.8 Number of POSMAX Turns PresetThis function forcibly resets the value of Number of POSMAX Turns (PMAXTURN:IL+E) to the value spec-ified in Preset Data of POSMAX Turns of the Operation Mode (TURNPRS: OL+6) of the Out Data.When the value is reset to the preset value, the bit C (POSMAX Turn Number Presetting Completed) of the Status(IW+00) of the In Data turns ON.Reversible Interval Frequency MeasurementMaximum value ofring counter(POSMAX㧕0㧔㧕Current counter valueafter conversionReversible Interval Frequency MeasurementPOSMAX PresettingPOSMAX Preset