CN201311587Y

CN201311587Y - WorldFIP-CANopen gateway controlled on industrial site

Info

Publication number: CN201311587Y
Application number: CNU2008202312953U
Authority: CN
Inventors: 李时智; 吴涛; 石勇
Original assignee: CNR Dalian Electric Traction R& D Center Co Ltd
Current assignee: CRRC Dalian R&D Co Ltd
Priority date: 2008-12-03
Filing date: 2008-12-03
Publication date: 2009-09-16
Anticipated expiration: 2018-12-03

Abstract

The utility model discloses a WorldFIP-CANopen gateway controlled on industrial site, comprising a WorldFIP network interface, a processor and a CANopen bus physical interface which is composed of a receiver and a controller. The WorldFIP network interface is bus-connected with a WorldFIP bus and a redundant WorldFIP bus in a double-way communication mode, the processor is bus-connected with an inner system bus in a double-way communication mode, and the CANopen bus physical interface is respectively bus-connected with a CAN bus and the inner system bus in a double-way communication mode. The WorldFIP-CANopen gateway controlled on industrial site is significantly characterized by high reliability, strong flexibility, good versatility and low cost, which is adaptable to industrial on-site application field.

Description

The WorldFIP-CANopen gateway of industry spot control

Technical field

The utility model relates to a kind of gateway of the WorldFIP of being used for industrial field bus, relates in particular to a kind of WorldFIP-CANopen gateway of industry spot control, is widely used in data-switching and the analyzing and processing of WorldFIP-CANopen.

Background technology

At present industry spot has been converted to by the control mode of direct lead on control mode and has utilized the industrial bus control mode.

The WorldFIP network is a kind of network that designs for industrial field bus specially, become at present a kind of abroad with the high reliability fieldbus networks of domestic a large amount of uses, the CANopen communication modes is to develop one of communication modes rapidly at present, having code increases income, interface is simple, cheap, debugging is convenient, advantages such as dependable performance.Particularly at urban light rail, subway, fields such as automobile, a lot of equipment all provide the CANopen interface to carry out the communication of equipment room, itself and WorldFIP bus combined make mutual that the equipment that has the CANopen communication modes at present can both be at the enterprising line data stream of WorldFIP network, on traditional the CANopen bus and the data transmission between the WorldFIP bus, reliability, dirigibility are all relatively poor, the quantity of information that can transmit is also very little, more inconvenient in addition maintenance.Therefore invent a kind of gateway and substitute traditional control mode, have crucial meaning for the modernization that realizes traditional industry control based on WorldFIP-CANopen.

Summary of the invention

The utility model is at the proposition of above problem, and develops a kind of WorldFIP-CANopen gateway of industry spot control, is intended to solve the deficiency of traditional approach.

Technical solution of the present utility model is achieved in that

A kind of WorldFIP-CANopen gateway of industry spot control comprises WorldFIP network interface, processor and CANopen bus physical interface, and wherein CANopen bus physical interface is made up of receiver and controller; Described WorldFIP network interface is connected with the bus that WorldFIP bus and redundant WorldFIP bus are done two-way communication, processor is connected with the bus that internal system bus is done two-way communication, and CANopen bus physical interface is connected with the bus that CAM bus and internal system bus are done two-way communication respectively; The CANopen bus signals enters internal system bus by CANopen bus physical interface, give processor processing, send into the WorldFIP network interface by analysis, pack the data to WorldFIP network protocol specifies data by the WorldFIP network interface and flow in Worl dFIP bus and the redundant Worl dFIP bus.

Described WorldFIP network interface is made of communication controler FULLFIP2, medium Redundant Control device FIPDUAL, bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR, the data-signal that internal system bus produces, import communication controler FULLFIP2 into, pass through medium Redundant Control device FIPDUAL again, enter WorldFIP bus or redundant WorldFIP bus by bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR at last.

Compared with prior art, the utility model has the advantages that conspicuous, mainly show have the reliability height, dirigibility is strong, versatility good and characteristics with low cost, is fit to very much the application with industry spot.

Description of drawings

The utility model is by 2 width of cloth accompanying drawings

Fig. 1 is the utility model hardware system structure figure;

Fig. 2 is a WorldFIP network interface hardware structural drawing.

Among the figure: 1, WorldFIP network interface, 2, processor, 3, CANopen bus physical interface, 4, receiver, 5, controller.

Embodiment

The WorldFIP-CANopen gateway of industry spot control as shown in Figure 1 comprises WorldFIP network interface 1, processor 2 and CANopen bus physical interface 3, and wherein CANopen bus physical interface 4 is made up of receiver 4 and controller 5; Described WorldFIP network interface 1 is connected with the bus that WorldFIP bus and redundant WorldFIP bus are done two-way communication, processor 2 is connected with the bus that internal system bus is done two-way communication, and CANopen bus physical interface 3 is connected with the bus that CAM bus and internal system bus are done two-way communication respectively; The CANopen bus signals enters internal system bus by CANopen bus physical interface 3, giving processor 2 handles, send into WorldFIP network interface 1 by analysis, pack the data to WorldFIP network protocol specifies data by WorldFIP network interface 1 and flow in WorldFIP bus and the redundant WorldFIP bus.

WorldFIP network interface 1 is made of communication controler FULLFIP2, medium Redundant Control device FIPDUAL, bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR as shown in Figure 2, the data-signal that internal system bus produces, import communication controler FULLFIP2 into, pass through medium Redundant Control device FIPDUAL again, enter WorldFIP bus or redundant WorldFIP bus by bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR at last.

In specific embodiment, processor 2 adopts the NET1+50 processor, and receiver 4 adopts SJA1000CAN controller, controller 5 to adopt the PCA82C250 type controller in the CANopen bus physical interface 3.

WorldFIP bus or redundant WorldFIP bus signals data, by bus driver device FIELDRIVE in the WorldFIP bus interface 1 and Signal Spacing transformer FIELDTR, through overdriving and isolation signals, after sending into medium Redundant Control device FIPDUAL signal conveys is carried out protocol conversion in communication controler FULLFIP2, send among the processor NET+50 analyzing and processing after the conversion; Signal after the analyzing and processing is sent in the SJA1000 controller 5, sends into the CAN bus signals via PCA82C250 receiver 4.

NET+50 master controller 1 is the core devices of gateway, it is responsible for the data stream that digital quantity that controller will be transmitted or analog quantity be packaged into WorldFIP procotol defined and delivers to the WorldFIP bus transceiver under the assistance of protocol processor FULLFIP2, perhaps the signal resolution that the WorldFIP bus transceiver is sent here becomes normal data and with its buffer area that deposits self in, reads for controller.

WorldFIP bus interface 1 mainly comprises following components: communication controler FULLFIP2, medium Redundant Control device FIPDUAL, bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR.The field bus communication protocol controller is selected FULLFIP2 for use, it can realize the WorldFIP fieldbus overwhelming majority's connection and application protocol, comprise data link layer a cover cycle and aperiodic buffering transmission and information service, have the bus arbitration function, support the MPS application layer services, comprise prompting, refresh and synchronization mechanism.In case this chip configuration successful, it can finish relevant network function alone, and deposit related data in own storer (Private RAM), call for the user, and user microprocessor is responsible for moving application software.

SJA1000 is a independent CAN controller, it be the substitute products of PHILIPS semiconductor PCA82C200CAN controller (BasicCAN) on pin is electric with the PCA82C200 controller compatible fully and also it increased the CAN 2.0B agreement that a kind of new this pattern support of mode of operation (PeliCAN) has a lot of new features.

The PCA82C250 transceiver is the electric interfaces of CANopen protocol controller and high-frequency isolation transformer, the digital signal that it sends protocol controller here converts differential signal to, then this signal is delivered to photoelectric isolating device, the differential networks signal decoding of perhaps photoelectric isolating device being sent here becomes digital signal, sends into protocol controller.

The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.

Claims

1, a kind of WorldFIP-CANopen gateway of industry spot control, comprise WorldFIP network interface (1), processor (2) and CANopen bus physical interface (3), wherein CANopen bus physical interface (3) is made up of receiver (4) and controller (5); Described WorldFIP network interface (1) is connected with the bus that WorldFIP bus and redundant WorldFIP bus are done two-way communication, processor (2) is connected with the bus that internal system bus is done two-way communication, and CANopen bus physical interface (3) is connected with the bus that CAM bus and internal system bus are done two-way communication respectively; The CANopen bus signals enters internal system bus by CANopen bus physical interface (3), giving processor (2) handles, send into WorldFIP network interface (1) by analysis, pack the data to WorldFIP network protocol specifies data by WorldFIP network interface (1) and flow in WorldFIP bus and the redundant WorldFIP bus.

2, the WorldFIP-CANopen gateway of industry spot control according to claim 1, it is characterized in that described WorldFIP network interface (1) is by communication controler FULLFIP2, medium Redundant Control device FIPDUAL, bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR constitute, the data-signal that internal system bus produces, import communication controler FULLFIP2 into, pass through medium Redundant Control device FIPDUAL again, enter WorldFIP bus or redundant WorldFIP bus by bus driver device FIELDRIVE and Signal Spacing transformer FIELDTR at last.