Introduction - If you have any usage issues, please Google them yourself
According to the system functional requirements, the main points need to send 2 types of commands: (1) In the same order, it is triggered by a timer triggered every cycle to send 1 ls (2) aperiodic order, which by the operator by caused by moving the appropriate command button, non-cyclical sending. Automatic monitoring system software installed in the main station, while the communication process as part of automatic control system software is also installed in the main station.