| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication monitor system that can receive/transmit data without delaying a communication time. SOLUTION: A central monitor unit 1 that collects and stores data relating to each operation facility to manage plants and buildings or the like, is provided with a communication message transmission section 1b that transmits a communication message to a terminal to input/output information from an operation terminal of each operation facility, a reply message reception section 1c that monitors whether or not a reply message in response to the communication message can be received, a storage section 1d that stores the result as a communication status, and a time-out time.retrial the number of times setting means 1e that sets a time-out time and the retrial number of times on the basis of the stored communication status.
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