Monitoring device utilizing power line carrier technology and monitoring method thereof
A technology of power line carrier and monitoring equipment, applied in distribution line transmission systems, electrical components, wired transmission systems, etc., can solve the problems of difficult maintenance, limited transmission rate, and high difficulty of fieldbus technology wiring
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[0034] Such as image 3 As shown, the present invention adopts an improved token bus technical solution when processing multiple nodes sharing communication channels to provide equal network access services for each node, with high reliability, high communication speed, and determinable network performance. This ensures the transmission delay requirements of equipment monitoring. The specific implementation is as follows:
[0035] 1) After the system is powered on, the modem on the bus conducts ad hoc networking through the power line. After networking, each node has a unique logical address. Each node has a predecessor address and a successor address, and the master node address.
[0036] 2) When the network is idle, only idle tokens flow continuously on the loop.
[0037] 3) After the system is powered on, the initial idle token is issued by the master node. After traversing all the slave nodes, the last slave node passes it to the master node.
[0038] 4) When a station wants to...
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