公开(公告)号：US3932738A

公开(公告)日：1976-01-13

申请号：US539682

申请日：1975-01-09

申请人： Charles Elwood Hauber ,  Stephen L. Vizvary ,  Robert E. Simpson ,  Jerome W. Meyer

发明人： Charles Elwood Hauber ,  Stephen L. Vizvary ,  Robert E. Simpson ,  Jerome W. Meyer

IPC分类号： G05B19/4063 ,  G05B23/02 ,  G05B1/03 ,  H03K13/32

CPC分类号： G05B19/4063 ,  G05B2219/34466

摘要： Input data from an XY encoder stage is continuously monitored and compared to an internally generated count as the stage is adjusted in position. The internal count is generated a single count at a time by transitions in the X-Y input data on the basis that each transition is a one-step change in encoder position. A series of one-step transitions causes both the input data and the internal count to change together, or track. If a single transition is greater than a single encoder step, the input data advances ahead of the internal count and tracking is lost, causing a comparison error. The error halts the monitoring process, activates an alarm, and holds the current input data and internal count for visual comparison in a numerical display. The operator can then remonitor the faulty portion of the stage encoder to determine the nature of the error. The transition monitor is provided with internal testing circuit for counting up and down, changing counting directions, and detecting a prewired multistep test error.

摘要翻译： 连续监测XY编码器级的输入数据，并将其与内部生成的计数进行比较，因为该位置被调整到位。 基于每个转换是编码器位置的一步变化，内部计数一次通过X-Y输入数据中的转换产生一次计数。 一系列一步过渡会导致输入数据和内部计数一起改变或跟踪。 如果单个转换大于单个编码器步长，则输入数据在内部计数之前提前，并且跟踪丢失，导致比较错误。 错误停止监视过程，激活报警，并保存当前输入数据和内部计数，以便在数字显示中进行目视比较。 然后，操作员可以对舞台编码器的故障部分进行再生，以确定错误的性质。 过渡监控器配有内部测试电路，用于上下计数，改变计数方向，并检测预接线多步测试错误。