| 摘要 |
Provided are a method for detecting a transmission error and a slave station for use in the method which are capable of accurately detecting a low sensitivity state of data to be transmitted in a control/monitoring signal transmission system employing a transmission synchronization scheme of synchronizing a master station connected to a single control part with a plurality of slave stations corresponding to a plurality of controlled devices by a transmission clock and performing transmission of data via a common data signal line. A management data region including a plurality of pulse-like signals is included in a series of pulse-like signals output from the master station to the common data signal line, and different from a control/monitoring data region including data of a control data signal and data of a monitoring data signal. Further, when data corresponding to a signal level of an input part is larger than a lower limit threshold value and smaller than an upper limit threshold value, an abnormal state is determined to have been occurred, a low sensitivity state of a signal of an input part is detected based on the determination result of the abnormal state, and a signal configuring data indicating the low sensitivity state is superimposed on the management data region. |
