Patent ID: 6281653
Filing Date: 2001-08-28
Classification: G05B

Abstract:
A method of detecting after-running of electrical servomotors with incremental position detection by means of incremental position indicators, said method comprising the steps of:a) detecting position signals from the incremental position indicators by means of evaluation electronics;b) providing a supply voltage to the evaluation electronics in order to operate the evaluation electronics;c) storing states of the incremental position indicating devices, which are detected in conjunction with the position signals, in a non-volatile memory;d) intermittently disconnecting the evaluation electronics from the supply voltage; ande) after switching off the evaluation electronics and subsequently switching the evaluation electronics on again, correcting the states of the incremental position indicators determined after the evaluation electronics are switched on again according to a comparison of the stored states of the incremental position indicators with the states of the incremental position indicators after the evaluation electronics are switched on again.