Automatic connection system of multiple machine station and method

Abstract

A connection system and method for automatically setting communication protocols and station numbers between multiple machines, setting one of the multiple machines as a master console, and setting the rest as slave machines (slave console), each machine has a serial connection input terminal, a serial connection output terminal and a master-slave communication terminal. The serial connection output terminal of each slave machine is connected to the serial connection input terminal of the next-level machine respectively to form a series connection, while the master-slave communication terminals of all the machines are connected in parallel. When the master control machine at the last level sends a set of communication protocol data to the slave machines through the master-slave communication terminal, each slave machine will set the communication protocol, and the first slave machine will automatically generate the data with the serial number 1 , and send the serial number data to the next-level slave machine, the next-level slave machine will add 1 to the serial number data received from the previous level, and send it down to the slaves of each level in sequence The process of adding 1 to each machine is carried out, and finally sent to the master control machine, the master control machine can know the total number of slave machines, so as to designate the number of each slave machine.

Description

technical field [0001] The invention relates to a connection between multiple machines, in particular to a machine connection system and method for automatically setting communication protocols and machine numbers. Background technique [0002] In the field of automatic control, it is often necessary to use multiple machines to form a distributed control system, but the machines of the distributed control system still need to be connected and communicated, so that the entire control system can fully coordinate and operate. [0003] The well-known multi-machine connection generally adopts such as figure 1 In the master-slave architecture shown, each machine is connected through a communication line, and the slave machine is controlled by the master machine to operate. To communicate between each machine, it is necessary to adopt a consistent communication protocol (protocol ), such as communication rate (baud rate), encoding format, and odd / even parity, etc., and each machin...

AI Technical Summary

Problems solved by technology

However, the machine cannot automatically set a unified communication protocol and different machine numbers, and the staff must set each machine separately, so the staff must run back and forth between the machines to repeatedly perform the same , which is quite cumbersome and inefficient

In addition, manually setting such detailed and complicated data is also very likely to cause setting errors. As long as there is any wrong data setting, it will affect the operation of the entire control system

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