公开(公告)号：US4851985A

公开(公告)日：1989-07-25

申请号：US723409

申请日：1985-04-15

Applicant: David N. Burror ,  Daniel J. Opalewski ,  James S. Seymour

Inventor： David N. Burror ,  Daniel J. Opalewski ,  James S. Seymour

IPC: G05B19/05 ,  G05B23/02

CPC classification number: G05B19/058 ,  G05B23/0216 ,  G05B23/0229 ,  G05B2219/13176 ,  G05B2219/13186 ,  G05B2219/14074

Abstract: A device implemented method diagnoses faults in a machine system or the like having a plurality of multi-state operating elements which are controlled by commands issued by a programmable controller. The method involves sensing the issuance of each command, sensing each change in state of an operating element and then periodically correlating the sensed commands with the sensed changes in operating states; the failure to correlate a sensed command with a sensed change in state is used to indicate the existence of an operating fault. The method is implemented by a microcomputer system which receives data in the form of commands and state changes from the programmable controller, and performs the correlation by comparing the sensed data with a memory-stored diagnostic table of commands and respectively associated state changes in order to determine whether a command has been issued that did not result in a change of state and whether a change in state has occurred without a corresponding command having been issued. The microcomputer system includes a diagnostic keyboard/display terminal to permit editing of the diagnostic table and generation of various fault reports.

Abstract translation: 一种设备实现的方法来诊断具有由可编程控制器发出的命令控制的多个多状态操作元件的机器系统等中的故障。 该方法包括感测每个命令的发布，感测操作元件的状态的每个改变，然后周期性地将感测到的命令与感测的操作状态的变化相关联; 将感测到的命令与感测到的状态改变相关联的故障被用于指示操作故障的存在。 该方法由微型计算机系统实现，该微机系统以可编程控制器的命令和状态变化的形式接收数据，并通过比较感测数据与存储器存储的命令诊断表和分别相关联的状态变化来执行相关，以便 确定是否已经发出没有导致状态改变的命令以及是否在没有发出相应命令的情况下发生状态改变。 微型计算机系统包括诊断键盘/显示终端，用于允许编辑诊断表并生成各种故障报告。