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

Interface unit and communication system with master-slave structure

A technology of interface unit and communication system, applied in the direction of transmission system, digital transmission system, electrical components, etc., to achieve the effect of reducing cost and reducing the complexity of hardware and software

Active Publication Date: 2012-02-01
BECKHOFF AUTOMATION GMBH
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in normal operation, each slave unit must decide which of the two data packets passing through the two processing units is to be used for device control, which greatly limits the High data transfer rates using such communication systems

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
  • Interface unit and communication system with master-slave structure
  • Interface unit and communication system with master-slave structure
  • Interface unit and communication system with master-slave structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] In automation technology, fieldbus systems are increasingly being used, in which devices of machine peripherals arranged in a distributed manner communicate with automation, engineering and visual display systems via a fieldbus. Typically, a fieldbus system has a serial bus, which may be, for example, an electrical wire, an optical waveguide or a radio optical cable. All bus users are then connected to this field bus, a distinction is made between active bus users and passive bus users. The active bus subscriber on the fieldbus system is the master control unit that determines the data traffic on the bus. This master control unit is eg an industrial PC, which is used as a process control computer in the production process. This master has bus access rights and can output data to the fieldbus without external requests. Passive bus users on the bus system are peripheral machines such as I / O devices, valves, drives and converters. It acts as a slave unit and does not ga...

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

An interface unit is provided for a communication system comprising a master unit and a plurality of slave units serially connecting the master unit via a double ring structure comprising a first communication path and a second communication path. The interface unit comprises a first switching unit, which is configured to output information signals received by the master unit as a first information signal to the first communication path and as a second information signal to the second communication path; and a second switching unit, which is configured to forward the first information signal circulating on the first communication path and second information signal circulating on the second communication path to the master unit.

Description

technical field [0001] The invention relates to an interface unit for a communication system with a master-slave structure, wherein said interface unit connects a plurality of slave units to each other by means of a contra-sense double ring structure, the invention also relates to A communication system with a master-slave structure. Background technique [0002] In production and automation technology, serial bus systems are increasingly used, in which the remote arrangement of machine peripherals (such as I / O modules, inverter drives, valves and operator terminals) is communicated via an efficient real-time communication system. Communicate with automation, engineering design and visual display systems. In this arrangement, all users are networked via a serial bus or preferably via a field bus, the data exchange via the bus being usually carried out on a master-slave basis. [0003] Active bus users on a bus system, ie control devices, generally have access rights to the...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/42H04L12/437H04L12/403
CPCH04L12/423H04L12/437
Inventor 翰斯·贝克赫夫迪克·杰森
Owner BECKHOFF AUTOMATION GMBH