Patent ID: 11956092
Assignee: KABUSHIKI KAISHA YASKAWA DENKI
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. A communication system comprising:
a master device;
a connector;
a superordinate trunk cable connecting the master device and the connector;
a maintenance connector connected to the connector;
a subordinate trunk cable connected to the connector;
a subordinate slave device connected to the master device via at least the subordinate trunk cable, the connector, and the maintenance connector;
the connector comprising:
a superordinate power line via which power is supplied from the master device;
a power branching unit to divide the superordinate power line into a first power line and a second power line connected to the subordinate slave device;
a superordinate signal line via which communication data between the master device and the maintenance connector is configured to be transmitted; and
a subordinate signal line via which communication data between the maintenance connector and the subordinate slave device is configured to be transmitted; and

the maintenance connector including a signal line connecting unit that connects the superordinate signal line and the subordinate signal line, and without a branched signal line that connects to another slave device,
wherein the superordinate signal line and the subordinate signal line are electrically disconnected from each other in the connector.