| 摘要 |
<p>PURPOSE: A system for transmitting a control and watch signal is provided to control a simple communication operation without a control unit. CONSTITUTION: Plural operating devices(5) includes an actuator unit(6) and a sensor unit(7), and the sensor unit monitors the actuator. Plural local stations(4) are installed in correspondence to the plural operating devices. Plural local stations are connected to each other through a common data signal line, and a relay station(1) is connected to a data signal line. The data signal line is configured with plural independent systems which concentrate on the relay station.</p> |
