CN201226103Y

CN201226103Y - Experiment debugging platform based on bus technology

Info

Publication number: CN201226103Y
Application number: CNU2008200709342U
Authority: CN
Inventors: 王永华; 安小宇; 江豪
Original assignee: Zhengzhou University of Light Industry
Current assignee: Zhengzhou University of Light Industry
Priority date: 2008-06-10
Filing date: 2008-06-10
Publication date: 2009-04-22
Anticipated expiration: 2018-06-10

Abstract

The utility model discloses an experiment debugging platform based on the bussing technique. The experiment debugging platform comprises an industrial Ethernet, a DP network, an AS-i network and an industrial computer, wherein the industrial Ethernet is built by an industrial exchange mechanism; the DP network is built by sub DP stations and a main DP station; and the main DP station is connected with at least one sub DP station, and the DP network is connected with the industrial exchanger through the main DP station, and accesses to the industrial Ethernet. The AS-i network consists of sub AS-i stations and a main AS-i station, wherein the main AS-i station is connected with at least one sub AS-i station, and the AS-i network accesses to the workshop level DP network through a DP interface of the main AS-i station. An industrial Ethernet panel card is arranged on the industrial computer which is used for data monitoring and processing on the industrial Ethernet through the industrial Ethernet panel card. The utility model has the advantage of good network structure expansibility, and can be used for data exchange and fault analysis through regulating network structures as required.

Description

Test adjustment platform based on bussing technique

Technical field

The utility model relates to a kind of test adjustment platform, particularly relates in a kind of industrial control network the test adjustment platform based on bussing technique.

Background technology

In the industrial control system, various bussing techniques are used more and more widely, for example: the PROFIBUS of tobacco business, be Process Field Bus, the LonWorks bussing technique of Process FieldbusROFIBUS technology, building automatic industry, the CAN bussing technique of automobile industry and at the Industrial Ethernet technology of other industry widespread use, DeviceNet, ControlNet, FF etc.But all these bussing techniques all are at certain class industry and do not have perfect test adjustment platform, do not utilize the promotion and application of technology.

Existing test adjustment platform based on bussing technique has following defective:

1, existing test adjustment platform has just been used certain field bus technique, carries out communication and action;

2, existing bussing technique platform is unfavorable for the adjustment of network structure and the replacing of equipment;

3, existing a whole set of Platform Price costliness needs about 200,000 usually, and can not highlight opening, interactivity, autonomy and the adaptability of field bus technique fully;

4, the bussing technique development is rapid, and existing platform does not have favorable expansibility;

5, existing test platform structure is dumb, and the content of the test dullness is not utilized the raising of experimenter's manipulative ability.

The utility model content

In view of this, the purpose of this utility model provides the test adjustment platform that can pass through the fine simulation actual industrial of software debugging control procedure.

For achieving the above object, the utility model discloses in a kind of industrial control network based on the test adjustment platform of bussing technique, it comprises: Industrial Ethernet, and it is made up by industrial switch and forms; The DP network, it is made up by DP slave station and DP main website and forms, and wherein the DP main website links to each other with at least one DP slave station, and the DP network links to each other and the access industrial Ethernet with industrial switch by the DP main website; The AS-i network, it is made of AS-i slave station and AS-i main website, and wherein the As-i main website links to each other with at least one As-i slave station, and the As-i network is by the DP interface access workshop level DP network of As-i main website; And industrial computer, the Industrial Ethernet integrated circuit board is equipped with on it, be used for Industrial Ethernet being carried out data monitoring and processing via the Industrial Ethernet integrated circuit board.

For above-mentioned test adjustment platform based on bussing technique, preferably, the wherein said DP employing S7-300 of main website Programmable Logic Controller.

Above-mentioned DP main website links to each other with described industrial switch via communication module.

The above-mentioned AS-i employing AC1306 of main website controller.

Above-mentioned AS-i slave station module comprises signal gathering unit and command executing unit.

By with the AS-i network integration of the PROFIBUS-DP network of the Industrial Ethernet on upper strata, workshop level and mechanical floor in a test adjustment platform, above-mentioned test adjustment platform based on bussing technique can be simulated the actual industrial control procedure well by software debugging.

In addition, the above-mentioned extendability that has good operability and network structure based on the test adjustment platform of bussing technique of the utility model, can adjust network structure according to system requirements, and exchanges data and fault analysis are perfect, have played good experimental debugging effect.

Description of drawings

Fig. 1 is a structural principle block diagram of the present utility model;

Fig. 2 is an exchanges data theory diagram of the present utility model;

Fig. 3 is the workflow diagram of DP slave station module of the present utility model and AS-i slave station module.

Embodiment

As shown in Figure 1, the utility model comprises the three-layer network based on bussing technique: the PROFIBUS-DP network of the Industrial Ethernet on upper strata, workshop level and the AS-i network of bottom, be inserted with the industrial computer of Industrial Ethernet integrated circuit board in addition on it, finish the exchanges data and the control of total system by software programming.

Industrial Ethernet, it is made up by industrial switch and forms; The PROFIBUS-DP network of workshop level, it is made up by DP slave station and DP main website and forms, and wherein the DP main website links to each other with at least one DP slave station, and the DP network links to each other and the access industrial Ethernet with industrial switch by the DP main website; The AS-i network, it is made of AS-i slave station and AS-i main website, and wherein the AS-i main website links to each other with at least one AS-i slave station, and the AS-i network is by the DP interface access workshop level DP network of AS-i main website; And industrial computer, the Industrial Ethernet integrated circuit board is equipped with on it, be used for Industrial Ethernet being carried out data monitoring and processing via the Industrial Ethernet integrated circuit board.

In the three-layer network structure, the Industrial Ethernet on upper strata adopts the SCALANCE X204-2 industrial switch of Siemens Company, and industrial switch is connected with industrial computer, mainly finishes the structure of upper strata Industrial Ethernet.The PROFIBUS-DP network using S7-300 Programmable Logic Controller PLC of workshop level is as the main website of system, and Programmable Logic Controller PLC is connected on the industrial switch by the CP343-1 communication module, and its output terminal links to each other with at least one DP slave station module.In the utility model, the ET200L 16DI/16DO slave station module of the 750-833 coupling mechanism of employing WAGO company and I/O module, Siemens Company etc. are as the slave station of workshop level PROFIBUS-DP network.The AS-i network primary station of bottom adopts the AC1306 controller of IFM company, and the output terminal of controller links to each other with at least one AS-i slave station module.AS-i network slave station adopts the slave station module of Siemens Company and Yi Fumen company respectively, and it also can insert in the PROFIBUS-DP network by the DP interface of AS-i main website and go.

The industrial computer that is provided with in the utility model links to each other with the industrial switch of upper strata based on Industrial Ethernet, by inserting the CP1613 Industrial Ethernet integrated circuit board of industrial computer, the Industrial Ethernet data are directly uploaded on the industrial computer, carry out further data monitoring and processing.Thereby finished the building of hardware platform of the whole network platform.Like this, the utility model has just had the extendability of good operability and network structure, and can adjust network structure according to system requirements.

Principle of work of the present utility model is:

Be provided with links such as system configuration, software debugging in the utility model, well simulated the actual industrial control procedure.Wherein system configuration software is selected the STEP7 V5.3 software of SIEMENS for use, select " SIMATIC 300 Station " by menu, insert S7-300 Programmable Logic Controller PLC main website, in hardware configuration, insert the CP343-1 communication module, carry out communication with SCALANCE X204-2 industrial switch, on configuration picture, carry out relative set, realize the system configuration of network.By disposing some conventional buttons, alarm etc., the input/output signal of system is provided, and by the writing of software program, actions such as control alarm, signal lamp.

As shown in Figure 2, the exchange of network data mainly comprises following several mode in the utility model:

Adopt the token ring swap data between data exchange ways 101:PROFIBUS-DP one class main website and the two class main websites, token ring exchanges between two main websites.When PROFIBUS-DP one class main website has token ring, adopt between recycle design and the slave station and carry out exchanges data; When two class main websites have token ring, adopt and carry out exchanges data between acyclic mode and the slave station.

Loop-around data exchange between 102: one class main websites of data exchange ways and the slave station, an above-mentioned class main website is the Programmable Logic Controller PLC of workshop level based on the PROFIBUS-DP network, above-mentioned slave station comprises the main website of DP slave station module and AS-i network, and the exchange data using round-robin mode between them is carried out.

Acyclic exchanges data between 103: two class main websites of data exchange ways and the slave station.In this manner, some slave station modules become the publisher, and other slave station is predetermined person, adopts acyclic data exchange ways between them, and promptly two class main websites or publisher carry out data transmission to the promptly predetermined person of slave station.

Data exchange ways 104: carry out exchanges data through broadcast mode between the slave station.Functions such as the function of the clock synchronization control when the utility model passes through to wait in addition in synchronous mode realization main website and the slave station and clock control, slave station Redundancy Management.

As shown in Figure 3, in the utility model, the course of work of DP slave station module and AS-i slave station module is as follows:

After the slave station module powers on, tributary address message and slave station diagnosis message is set at first, waits for parametrization then.In waiting for parameterized process, slave station diagnosis message, and the parameter message is set; If it is incorrect that parameter is provided with message, then continue to wait for parametrization; If parameter is provided with message correctly, then wait for configuration.In the process of waiting for configuration, slave station diagnosis message, and obtain the configuration message; If the configuration message is incorrect, then slave station is waited for parametrization again; If the configuration message correctly then begins to carry out exchanges data.Simultaneously, in the course of work of slave station, be accompanied by and wait for configuration and exchanges data, WatchDog Timer overflows.Described WatchDog Timer technology is a technology well known to those of ordinary skill in the art.

When the system failure takes place, with failure message and equipment situation, send to the main website of system by the diagnosis message, main station system sends confirmation message through handling to slave station, and slave station works on by the above-mentioned course of work then.In a word, the utility model has been finished system requirements well, and industrial control process has been finished in simulation, and workable, exchanges data and fault analysis are perfect, have played good experimental debugging effect.

Claims

1, a kind of test adjustment platform based on bussing technique is characterized in that, comprising:

Industrial Ethernet, it is made up by industrial switch and forms;

The DP network, it is made up by DP slave station and DP main website and forms, and wherein said DP main website links to each other with at least one described DP slave station, and described DP network links to each other with described industrial switch by described DP main website and inserts described Industrial Ethernet;

The AS-i network, it is made of AS-i slave station and AS-i main website, and wherein said As-i main website links to each other with at least one described As-i slave station, and the DP interface of described As-i network by described As-i main website inserts described workshop level DP network; And

Industrial computer is equipped with the Industrial Ethernet integrated circuit board on it, be used for via described Industrial Ethernet integrated circuit board described Industrial Ethernet being carried out data monitoring and processing.

2, according to claim 1 based on the test adjustment platform of bussing technique, it is characterized in that the described DP employing S7-300 of main website Programmable Logic Controller.

As claimed in claim 1 or 2 based on the test adjustment platform of bussing technique, it is characterized in that 3, described DP main website links to each other with described industrial switch via communication module.

4, according to claim 1 based on the test adjustment platform of bussing technique, it is characterized in that the described AS-i employing AC1306 of main website controller.

5, the test adjustment platform based on bussing technique according to claim 1 is characterized in that, described AS-i slave station module comprises signal gathering unit and command executing unit.