Patent ID: 11863374
Assignee: HITACHI HIGH-TECH CORPORATION
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 3:
4. The distributed control system according to claim 1, wherein
the central computation device is configured to output a command for acquiring connection information to the central communication device,
the central communication device is configured to transfer the command to the terminal communication device once receiving the command from the central computation device,
the terminal communication device is configured to generate connection information on the basis of the command, and transfer the generated connection information to the central communication device,
the central communication device is configured to transfer the connection information to the central computation device once receiving the connection information from the terminal communication device, and
the central computation device is configured to compare the connection information received from the central communication device with the correct connection information, and output the display signal to the display device in a case of a mismatch.