CN201142021Y - Stand-alone PLC communication and grade logical control system for strange fiber clearing machine - Google Patents
Stand-alone PLC communication and grade logical control system for strange fiber clearing machine Download PDFInfo
- Publication number
- CN201142021Y CN201142021Y CNU2007201867902U CN200720186790U CN201142021Y CN 201142021 Y CN201142021 Y CN 201142021Y CN U2007201867902 U CNU2007201867902 U CN U2007201867902U CN 200720186790 U CN200720186790 U CN 200720186790U CN 201142021 Y CN201142021 Y CN 201142021Y
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- Prior art keywords
- plc
- communication
- control system
- upper computer
- host computer
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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]
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Abstract
The utility model relates to an independent PLC communication and hierarchical logic control system for a foreign fiber removing machine. An upper computer is connected with PLC through an RS-232 communication cable, and CCM protocol is achieved by programming based on software of the upper computer to achieve data exchange while completely divorcing from a PLC data service platform Direct SOFT 32 Data Server. The PLC can execute output controls of different priorities of commands of the upper computer, input/output hardware logic, and program operation logic. The independent PLC communication and hierarchical logic control system can reduce the communication time and the communication frequency between the upper computer PC and the lower computer PLC, thus saving resources of the upper computer and improving the operation processing capacity of the PC.
Description
Technical field:
The utility model relates generally to the weaving electronic device, the PLC control system of the online removing machine of different fibre in the textile industry particularly, the all hardware logic, host computer order etc. that are used for machine are controlled output, and carry out relevant data communication with host computer, reduce host computer operation burden, improve operational efficiency.
Background technology:
The different fine machine of removing is connected in the production line usually, around it all is powerful device, electromagnetic interference (EMI) is very strong in the production line start-up course, and himself also has high-power inductive loads such as light source, computing machine, cotton sucking blower, power supply interferes with each other when opening simultaneously, easily the electron device in the damage equipment.Therefore need reach the protection apparatus assembly to the power supply that distributes of machine intimate each several part, improve stable purpose.
Because the different fine machine a large amount of view data of processing that needs in service of removing for guaranteeing the real-time of result, must be saved the host computer resource as much as possible, improves processing power.This just requires machine in operational process, and the dependence peripheral software that host computer can not be too much loads other service routines as far as possible less.
During machine run simultaneously, there is plural control source in some inner key components, such as light source, its Controlling Source has: start distributes and powers on, shuts down outage, light source switch button, host computer self check order, the PLC internal processes operation result etc. of distributing, and this just need carry out the controlling Design of different priorities to each Controlling Source of same target.
Summary of the invention
The utility model purpose provides a kind of different fine independently PLC communication and classification logic control system of removing in the machine that be used in, and to reduce the host computer resource is taken the processing capability in real time of raising host computer.
Specifically, be used in different fine independently PLC communication and the classification logic control system of removing in the machine, comprise host computer PC and slave computer PLC, it is characterized in that: described host computer PC adopts the RS-232 communication cable directly to be connected with slave computer PLC communication and utilizes the serial ports of PC to realize exchanges data.
The utility model is owing to is connected by the RS-232 communication cable between host computer and the PLC, utilizes the upper computer software realization CCM agreement of programming to carry out exchanges data, breaks away from plc data service platform DirectSOFT32 Data Server fully; The output control of different priorities is carried out in PLC inside to host computer order, input and output hardware logic, program run logic.The utility model can reduce communication time and the communication number of times between host computer PC and the slave computer PLC, saves the host computer resource, improves the calculation process ability of PC.
Description of drawings
Fig. 1 is the utility model principle schematic.
Fig. 2 is a grading design schematic diagram in the host computer in the utility model.
Embodiment
As shown in Figure 1, be used in different fine independently PLC communication and the classification logic control system of removing in the machine, comprise host computer PC and slave computer PLC, described host computer PC adopts the RS-232 communication cable directly to be connected with slave computer PLC communication and utilizes the serial ports of PC to realize exchanges data
The different fine PLC control in the machine of removing, the communication that comprises PLC and host computer design and the step control of the different priorities of PLC inside.The communication design is finished by the upper computer software design, and step control is finished by the PLC inside programming.
The communication design can be divided into RS-232 communication cable and communications protocol programming two parts.Communication cable adopts standard RS-232 communication cable, and host computer is connected with PLC.Communications protocol adopts the distinctive CCM agreement of PLC, do not need by plc data service platform DSD, utilize the host computer programming software that the CCM agreement is directly realized in user software, adopt regularly active inquiry of host computer, the mode of PLC real-time update data field, reduce the time of communication number of times and each communication, and reduced taking of host computer resource, improve the processing capability in real time of host computer.
Grading design is that PLC inner utilization programmed method is realized.At each characteristic of input/output port, its each Controlling Source is carried out the control of different priorities respectively.The communication design is carried out exchanges data by host computer programming realization CCM agreement by the RS-232 communication cable, and step control is realized the control of different priorities by the PLC inside programming.Described communication modes and communications protocol design break away from plc data service platform DSD fully, adopt the programming of host computer user software to realize the CCM agreement, embed in the user program, do not need to call DSD and carry out data communication.Described PLC inside programming realizes the output control to the different priorities of host computer order, hardware logic, program run logic.
Claims (1)
1, is used in different fine independently PLC communication and the classification logic control system of removing in the machine, comprise host computer PC and slave computer PLC, it is characterized in that: described host computer PC adopts the RS-232 communication cable directly to be connected with slave computer PLC communication and utilizes the serial ports of PC to realize exchanges data, breaks away from plc data service platform DSD fully.PLC carries out the step control of different priorities to different Controlling Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201867902U CN201142021Y (en) | 2007-12-29 | 2007-12-29 | Stand-alone PLC communication and grade logical control system for strange fiber clearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201867902U CN201142021Y (en) | 2007-12-29 | 2007-12-29 | Stand-alone PLC communication and grade logical control system for strange fiber clearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142021Y true CN201142021Y (en) | 2008-10-29 |
Family
ID=40069731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201867902U Expired - Lifetime CN201142021Y (en) | 2007-12-29 | 2007-12-29 | Stand-alone PLC communication and grade logical control system for strange fiber clearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142021Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987594A (en) * | 2021-02-26 | 2021-06-18 | 西安羚控电子科技有限公司 | Hierarchical control model and method for aviation simulation measurement and control system |
-
2007
- 2007-12-29 CN CNU2007201867902U patent/CN201142021Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987594A (en) * | 2021-02-26 | 2021-06-18 | 西安羚控电子科技有限公司 | Hierarchical control model and method for aviation simulation measurement and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |
|
| CX01 | Expiry of patent term |