Avoiding Encoder Overflow


For technical support, please contact IMS at 860-295-6102 or email us. MDrivePlus Motion Control Getting Started (PDF) Interactive Tutorials cover the installation, configuration and use of IMS Terminal Software used with MDrivePlus Motion Control; also installation of the IMS USB Converter Cables. Motion Control Sample Code Index MDrivePlus Software Reference		Avoiding Encoder Overflow
		In MDrive applications that require continuous slew, such as pumps or fans, and encoder mode is enabled, a stall error will occur when the encoder counter overflows. An easy way to avoid this is to use trip on position (Tp) to reset the position counter occasionally. The sample program demonstrates the use of Tp and sets a Pause / Resume input and a Fault output.
		'* This program uses a trip on position to '* reset the position counter every 100000 '*** encoder counts. Ee=1 'enable encoder P=0 'init pos counter S1=6,0,0 'configure as pause/resume S4=18,0,0 'configure as fault output PG 1 LB su Tp 100000,fj 'on position trip call fj Te=2 'enable trip SL 3000 'continuous slew H E 'program end LB fj P=0 'reset postion counter PR "reset" 'just here to show it's been called Te=2 'reenable position trip RT 'return PG S
		Download Encoder Overflow .mxt file (color-coded in IMS Terminal) [Return to Motion Control Sample Code Index]



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