CN101706658A - Fieldbus technology based operation box with function of collecting input/output points - Google Patents
Fieldbus technology based operation box with function of collecting input/output points Download PDFInfo
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- CN101706658A CN101706658A CN200910187949A CN200910187949A CN101706658A CN 101706658 A CN101706658 A CN 101706658A CN 200910187949 A CN200910187949 A CN 200910187949A CN 200910187949 A CN200910187949 A CN 200910187949A CN 101706658 A CN101706658 A CN 101706658A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention belongs to the technical field of operation boxes and in particular provides a fieldbus technology based operation box with the function of collecting input/output points. The invention comprises a low-voltage distribution panel and operation boxes. The low-voltage distribution panel is connected with a PLC control cabinet by a communication cable. Fieldbus modules are arranged in the operation boxes and are connected with the terminals on the low-voltage input/output points in the operation boxes by fieldbuses. The terminals on the low-voltage input/output points are connected with various device status signal detecting instruments in the production line and actuating mechanisms. The fieldbus modules form the network structure through the fieldbuses. A bus communication module is arranged in the PLC control cabinet and is connected with one fieldbus module. The invention has the following advantages: the installation cost, the maintenance cost and vast control cables are saved, the users have high system integration initiative, the laying amount of the cables is reduced and the control system is safer and more reliable.
Description
Technical field
The invention belongs to the control box technical field, especially a kind of control box that has the input/output point acquisition function based on field bus technique.
Background technology
In traditional control field, control box is generally installed switch, startup, stop button, pilot lamp etc.General on-the-spot input/output point is transferred to the I/O control station by the control box terminal, as speed, sideslip, the accident of sealing-tape machine, position signals quantity is many, circuit is long, is interfered or misoperation in the transmission course of being everlasting.Industrial automation control develops into today, and traditional control structure is very ripe.But along with the development that the International Industry automatization level is maked rapid progress, the drawback of traditional control structure is showing step by step also.Practice shows that all there are a lot of weak points in existing control structure in production safety reliability, institutional framework rationality, one-time investment, installation and daily servicing.In mine, sintering, pelletizing project, the scene has many digital analogue signals to gather to enter PLC carries out control and management.With a sealing-tape machine is example, just there are digital D/I points such as sideslip switch, conveyor trip switch, speed switch and anti-skidding leak stopping switch to enter PLC, the tradition control model is the PLC cabinet that these digital D/I points is entered into the pulpit by the sealing-tape machine control box switching at scene, certainly also comprise the switch on the control box here, signal feedback such as start and stop button are to the signal of switchboard, such thinking is exactly that scene to control box exists umbilical cable, every control box has umbilical cable to the PLC cabinet, and control box to switchboard also has umbilical cable.Have a large amount of cables at module cabinet (PLC) between execute-in-place case and the field apparatus, this is all increasing a lot of expenses for the investor aspect fund input, the construction maintenance.
Field bus technique (Fieldbus) is the end of the eighties, the beginning of the nineties to develop formation in the world, is used for the field intelligent device interconnection communication network in fields such as process automation, manufacturing automation.It is as the basis of factory's digital communications network, linked up between production run scene and the opertaing device and and higher control and management level between get in touch.It is not only a stub network, but also is a kind of open, novel full distribution control system.This is the complex art of main contents with technology such as intelligent sensing, control, computing machine, digital communications.The working environment of field bus device is in the bottom of process device, as shop equipment level basis communication network, requirement has the advantages that agreement is simple, fault-tolerant ability is strong, security is good, cost is low: have regular hour determinacy and higher real-time requirement, it is stable also to have offered load, and most is characteristics such as short frame transmits, message exchange is frequent.Because These characteristics, field bus system all has the not characteristic of upper layer high-speed data communication net from the network structure to the mechanics of communication.
Summary of the invention
The object of the present invention is to provide a kind of control box that has the input/output point acquisition function based on field bus technique.
The objective of the invention is to realize by following technical proposals.
The control box that has the input/output point acquisition function based on field bus technique of the present invention, comprise low-voltage distribution panel, control box, it is characterized in that described low-voltage distribution panel connects a PLC switch board by communication cable, described control box is the two or more control boxs that are arranged on the production line different parts, be connected by the control box fieldbus between each control box, fieldbus module is set respectively in these control boxs, these fieldbus module are connected with each low pressure input/output point terminal in these control boxs to form intelligent operation box by fieldbus, low pressure input/output point terminal in these control boxs is connected by various device status signal measuring instrument in signal wire and the production line and relevant topworks, these fieldbus module are formed network structure by the control box fieldbus, in described PLC switch board, be provided with bus communication module, in the control box fieldbus module by a communication cable therewith bus communication module be connected.
Described fieldbus module comprises digital-quantity input interface, digital-quantity output interface, digital quantity input/output interface, analog quantity input interface, analog output interface circuit.
Described signal wire is a communication optical fiber.
Described fieldbus module is TURCK fieldbus module, PHCENIX fieldbus module or SIEMENS fieldbus module.
Described equipment state input instrument is intelligent network instrument.
Described fieldbus is PROFIBUS-DP fieldbus, DeviceNet fieldbus, Modbus fieldbus, Modbus/TCP fieldbus, INTERBUS fieldbus or CANOpen fieldbus.
Described PROFIBUS-DP fieldbus is divided into 2-4 network segment, each network segment connects 2-32 node, connect with repeater between two network segments, be connected in series 2-4 repeater, a PLC switch board is that a main website connects 8-126 network node, and each PROFIBUS-DP network connects 2-126 control box.
Described network structure is chain type, star, ring type or tree network layout.
The control box that has the input/output point acquisition function based on the field bus technique of the present invention fieldbus module of in the traditional operation case, packing into, the input/output point of collection in worksite enters bus module, be connected to the PLC control station by a communication cable, realize automatic control field apparatus.
Control box advantage of the present invention is: 1) save erected cost.The wiring of field bus system is very simple, owing to can articulate a plurality of equipment usually on a pair of twisted-pair feeder or a cable, thereby the consumption of cable, terminal, groove box, crane span structure significantly reduces, and the line design also significantly reduces with the workload of joint check and correction.When needs increase field control equipment, need not to set up new cable, can be connected nearby on original cable, both saved investment, also reduced the workload of design, installation.According to the measuring and calculating data of relevant type testing engineering, can save erected cost more than 60%.2) save maintenance cost.Because field control equipment has the ability of self diagnosis and simple fault processing, and be sent to the pulpit by the diagnosis maintenance information that digital communication will be correlated with, the user can inquire about the operation of all devices, and the diagnosis maintenance information is so that early stage analyzing failure cause and eliminating fast.Shortened and safeguarded shut down time, because system architecture is simplified, line has simply reduced maintenance workload simultaneously.3) user has the system integration initiative of height.The equipment that the user can freely select different vendor and be provided comes integrated system.Avoid because of the product of having selected a certain brand by " frame is dead " range of choice of equipment, can not be stymied by for agreement incompatible in the system integration, interface, make initiative in the system integration process on top of in user's hand.
Description of drawings
Fig. 1 is a control box electrical block diagram of the present invention.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, the control box that has the input/output point acquisition function based on field bus technique of the present invention, comprise low-voltage distribution panel 1, control box 5, it is characterized in that described low-voltage distribution panel 1 connects a PLC switch board 3 by communication cable 2, described control box 5 is for being arranged on two or more control boxs of production line different parts, be connected by control box fieldbus 8 between each control box, in these control boxs 5, fieldbus module is set respectively, these fieldbus module are connected with each low pressure input/output point terminal in these control boxs to form intelligent operation box by fieldbus, low pressure input/output point terminal in these control boxs is connected by various device status signal measuring instrument in signal wire 6 and the production line and relevant topworks 7, these fieldbus module are formed network structure by control box fieldbus 8, in described PLC switch board 3, be provided with bus communication module, in the control box fieldbus module by a communication cable 4 therewith bus communication module be connected.
The intelligent low-pressure switch cubicle can be set in described production line, and various device status signal measuring instrument in these intelligent low-pressure switch cubicles and the production line and relevant topworks are connected.
Described fieldbus module comprises digital-quantity input interface, digital-quantity output interface, digital quantity input/output interface, analog quantity input interface, analog output interface circuit.
Described signal wire 6 is a communication optical fiber.These communication optical fibers be located at described intelligent low-pressure switch cubicle in the fiber-optic signal transceiver be set be connected.
Described fieldbus module is TURCK fieldbus module, PHCENIX fieldbus module or SIEMENS fieldbus module.
Described equipment state input instrument is intelligent network instrument.
Described fieldbus is PROFIBUS-DP fieldbus, DeviceNet fieldbus, Modbus fieldbus, Modbus/TCP fieldbus, INTERBUS fieldbus or CANOpen fieldbus.
Described PROFIBUS-DP fieldbus is divided into 2-4 network segment, each network segment connects 2-32 node, connect with repeater between two network segments, be connected in series 2-4 repeater, a PLC switch board is that a main website connects 8-126 network node, and each PROFIBUS-DP network connects 2-126 control box.
Described network structure is chain type, star, ring type or tree network layout.
The fieldbus feature operation case fieldbus module of packing in the traditional operation case, the input/output point of collection in worksite enters bus module, is connected to the PLC control station by a communication cable, realizes the automatic control to field apparatus.
Claims (8)
1. control box that has the input/output point acquisition function based on field bus technique, comprise low-voltage distribution panel, control box, it is characterized in that described low-voltage distribution panel connects a PLC switch board by communication cable, described control box is the two or more control boxs that are arranged on the production line different parts, be connected by the control box fieldbus between each control box, fieldbus module is set respectively in these control boxs, these fieldbus module are connected with each low pressure input/output point terminal in these control boxs to form intelligent operation box by fieldbus, low pressure input/output point terminal in these control boxs is by the various device status signal measuring instrument in signal wire and the production line, topworks is connected, these fieldbus module are formed network structure by the control box fieldbus, in described PLC switch board, be provided with bus communication module, in the control box fieldbus module by communication cable therewith bus communication module be connected.
2. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described fieldbus module comprises digital-quantity input interface, digital-quantity output interface, digital quantity input/output interface, analog quantity input interface, analog output interface circuit.
3. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described signal wire is a communication optical fiber.
4. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described fieldbus module is TURCK fieldbus module, PHCENIX fieldbus module or SIEMENS fieldbus module.
5. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described equipment state input instrument is intelligent network instrument.
6. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described fieldbus is PROFIBUS-DP fieldbus, DeviceNet fieldbus, Modbus fieldbus, Modbus/TCP fieldbus, INTERBUS fieldbus or CANOpen fieldbus.
7. the control box that has the input/output point acquisition function based on field bus technique according to claim 6, it is characterized in that described PROFIBUS-DP fieldbus is divided into 2-4 network segment, each network segment connects 2-32 node, connect with repeater between two network segments, be connected in series 2-4 repeater, a PLC switch board connects 8-126 network node, and each PROFIBUS-DP network connects 2-126 control box.
8. according to claim 1 have the control box of input/output point acquisition function based on field bus technique, it is characterized in that described network structure is chain type, star, ring type or tree network layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910187949A CN101706658A (en) | 2009-10-20 | 2009-10-20 | Fieldbus technology based operation box with function of collecting input/output points |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910187949A CN101706658A (en) | 2009-10-20 | 2009-10-20 | Fieldbus technology based operation box with function of collecting input/output points |
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| CN101706658A true CN101706658A (en) | 2010-05-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513751A (en) * | 2011-12-31 | 2012-06-27 | 长春大正博凯汽车设备有限公司 | Welding robot and welding method thereof |
| CN105259876A (en) * | 2015-10-21 | 2016-01-20 | 安徽宝龙电器有限公司 | Mining programmable control system |
| CN107575729A (en) * | 2017-10-20 | 2018-01-12 | 中冶赛迪工程技术股份有限公司 | A kind of integrated oil pump station of thin-oil sealed gas tank |
| CN111026022A (en) * | 2019-12-26 | 2020-04-17 | 北京和利时智能技术有限公司 | Hardware configuration method of editable logic controller and related device |
| CN112611329A (en) * | 2020-12-25 | 2021-04-06 | 江苏集萃智能光电系统研究所有限公司 | Train wheel set size measurement case |
-
2009
- 2009-10-20 CN CN200910187949A patent/CN101706658A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513751A (en) * | 2011-12-31 | 2012-06-27 | 长春大正博凯汽车设备有限公司 | Welding robot and welding method thereof |
| CN105259876A (en) * | 2015-10-21 | 2016-01-20 | 安徽宝龙电器有限公司 | Mining programmable control system |
| CN107575729A (en) * | 2017-10-20 | 2018-01-12 | 中冶赛迪工程技术股份有限公司 | A kind of integrated oil pump station of thin-oil sealed gas tank |
| CN107575729B (en) * | 2017-10-20 | 2024-03-12 | 中冶赛迪工程技术股份有限公司 | Thin oil seal type integrated oil pump station for gas tank |
| CN111026022A (en) * | 2019-12-26 | 2020-04-17 | 北京和利时智能技术有限公司 | Hardware configuration method of editable logic controller and related device |
| CN111026022B (en) * | 2019-12-26 | 2022-01-25 | 北京和利时智能技术有限公司 | Hardware configuration method of editable logic controller and related device |
| CN112611329A (en) * | 2020-12-25 | 2021-04-06 | 江苏集萃智能光电系统研究所有限公司 | Train wheel set size measurement case |
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Open date: 20100512 |