Patent ID: 7039745

Claim:
A control system comprising a plurality of field devices distributed in equipment and controlling input/output means, and a host controller connected to said plurality of field devices via a transmission line and controlling said field devices, and an operator's console transmitting commands for said host controller, said field devices and said host controller constituting a network in said equipment for control of said equipment, said control system further comprising: a plurality of connectors for connecting said plurality of field devices to said transmission line, said connectors having network IDs representing respective connected positions to said network; and node address creating means for generating node addresses based on the network IDs; wherein said connector includes a switch group corresponding with the network ID; and said node address creating means reads on/off status of said switch group and creates the node address; wherein said field device has a device ID representing the type of said field device; and said node address creating means creates the node address based on the network ID in said connector and the device ID.