ABB DSMB124 57360001-U电路板
开关输入D触发：如果设定点设置为打开到关闭，则触发跟踪存储器，并且在开关D闭合转换时，所有输入的数据将被捕获在缓冲器中。如果设置点设置为CLOSED-to-OPEN，则触发跟踪存储器，并在开关D打开转换时在缓冲器中捕获所有输入上的数据。捕获的周期数取决于TRACE MEMORY USAGE（跟踪内存使用）设置点中指定的值。•跟踪内存触发延迟：在某些应用程序中，可能需要延迟触发点，以便在故障发生之前观察数据。PQM允许触发延迟此设置点中设置的循环量。因此，在触发点之前，缓冲区将始终包含此设置点中指定的循环数，并且在触发点之后，缓冲区中的剩余空间将填充循环数。
SWITCH INPUT D TRIG: If the setpoint is set to OPEN-TO-CLOSED, the trace memory is triggered and data on all inputs will be captured in the buffer on a switch D close transition. If the setpoint is set to CLOSED-TO-OPEN, the trace memory is triggered and data on all inputs are captured in the buffer on a switch D open transition. The number of cycles captured depends on the value specified in the TRACE MEMORY USAGE setpoint. • TRACE MEMORY TRIGGER DELAY: In some applications it may be necessary to delay the trigger point to observe the data before the fault occurred. The PQM allows the trigger to be delayed by the amount of cycles set in this setpoint. Therefore, buffer will always contain the number cycles specified in this setpoint before the trigger point and the remaining space in the buffer is filled with the cycles after the trigger point.
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