Unlock instant, AI-driven research and patent intelligence for your innovation.

Multi-master RS-485 communication water controller and system

A water controller and main-type technology, applied in the field of communication control, can solve the problems of inability to realize real-time data interaction and interactive experience, low efficiency, etc., and achieve the effect of timely and efficient data interaction and real-time interaction

Inactive Publication Date: 2021-02-19
深圳市常工电子计算机有限公司
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the traditional water controller adopts the one-master-multiple-slave mode of RS485 communication, and the terminal water controller needs to passively wait for the host to poll one by one. The efficiency is relatively low, and real-time data interaction and interactive experience cannot be realized.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multi-master RS-485 communication water controller and system
  • Multi-master RS-485 communication water controller and system
  • Multi-master RS-485 communication water controller and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037] In a communication line, when the water volume of the terminal water controller is greater than 1, when a certain terminal device actively sends data to the data network, it must avoid conflicts in the process of sending data, and cannot interfere with other devices that are sending data on the bus. make an impact. The present invention adopts the listening sending mode to realize the communication of multi-master water controllers.

[0038] Such as figure 2 Shown is a partial circuit diagram of the RS485 communication module of a terminal equipment water controller using a multi-master RS485 communication water controller system, including the communication chip MAX3085, resistors R12, R18-R21, R42, diode D9 and interface P8; the communication chip The 2nd pin of MAX3085 is connected to GND through R42, the 1st pin is connected to the cathode of diode D9, the 3rd pin is connected to DE1 port, the 4th pin is connected to TXD3 port, the 5th pin is connected to GND, and...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a multi-master RS485 communication water controller and system. The water controller comprises a master control module, a communication module, a touch key input module, a metering module, a control valve module and an LCD display screen. The communication module, the touch key input module and the LCD display screen are connected with the main control module; the communication module is in interactive communication with the main control module and is connected with the gateway through a bus; the touch key input module transmits key information to the master control module; the master control module transmits display information to the LCD display screen; the metering module transmits metering data to the master control module; and the master control module transmits control information to the control valve module. The communication module of the water controller is in multi-master RS485 communication with the gateway, data is actively started according to needsby monitoring the data sending state on the connection bus, active real-time interaction between the water controller and the gateway is achieved, and the data interaction efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of communication control, and more specifically relates to a multi-master RS485 communication water controller and system. Background technique [0002] At present, the traditional water controller adopts the one-master-multiple-slave mode of RS485 communication, and the terminal water controller needs to passively wait for the host to poll one by one, which is relatively inefficient and cannot realize real-time data interaction and interactive experience. [0003] Therefore, how to realize real-time interaction of water controllers and improve work efficiency is an urgent problem to be solved by those skilled in the art. Contents of the invention [0004] In view of this, the present invention provides a multi-master RS485 communication water controller and system. The water controller includes a main control module, a communication module, a touch key input module, a metering module, a valve control modu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G08C19/00H04L29/08
CPCG08C19/00H04L67/12
Inventor 江渊杨斌邓权杨婧王俊元
Owner 深圳市常工电子计算机有限公司