CN101008843A - Setting mode of machine tool keyboard in full digitized ring bus NC system - Google Patents
Setting mode of machine tool keyboard in full digitized ring bus NC system Download PDFInfo
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- CN101008843A CN101008843A CNA2007100101479A CN200710010147A CN101008843A CN 101008843 A CN101008843 A CN 101008843A CN A2007100101479 A CNA2007100101479 A CN A2007100101479A CN 200710010147 A CN200710010147 A CN 200710010147A CN 101008843 A CN101008843 A CN 101008843A
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Abstract
This invention discloses one machine bed keyboard total digital ring bus control system set type, wherein, the main device comprises upper machine and bus controller fixed with digital control software; the aid device comprises digital bus servo driver and PLC; the upper machine directly connects keyboard by Ethernet physical interface through the said bus controller; interacting data between upper machine and machine keyboard by physical linkage.
Description
Technical field
The present invention relates to a kind of full digital ring bus digital control system, more particularly, relate to the set-up mode of machine tool keyboard in this system.
Background technology
The Chinese patent application 200710010062.0 that the applicant submitted on January 15th, 2007 discloses " a kind of bus-type numerical control system and control method thereof ".Wherein, as shown in Figure 1, host computer 1 (being generally PC), full digital servo-driver 3, servomotor 4 and the programmable controller PLC that numerical control software is housed is the indispensable equipment in the system of the present invention.Wherein, host computer 1 Integration Bus controller 2 constitutes main equipment.Servo-driver 3 sends drive signal to servomotor 4, and servomotor 4 is sent the signal of encoder feedback back to servo-driver 3 by circuit simultaneously.Wherein, thus main equipment is connected in series the slave unit that comprises servo-driver 3, PLC successively and connects back main equipment by transmission line and constitutes a loop.In normal operation, host computer 1 sends only unidirectional each slave unit that is sent to successively of information, each slave unit response message and feedback information sent back to host computer 1 by the slave unit of subordinate successively.
The Chinese patent application 200710010050.8 that the applicant submitted on January 15th, 2007 discloses a kind of " being exclusively used in the bus controller of digital bus-type numerical control system ", is mainly used in above-mentioned 200710010062.0 the ring bus formula digital control system.This bus controller as shown in Figure 2, comprises Physical layer control module 64, data buffer area 61 and the lathe data storage area 67 of power management module 66, PC bus control module 62, bus protocol analysis module 63, connection physical layer interface 68.Wherein, deliver to described data buffer area 61 from the data of host computer by PC bus control module 62; Bus protocol analysis module 63 visit data buffer areas 61 obtain data and are translated into the data that meet bus protocol, rely on physical layer interface 68 that data are mail to equipment to be controlled by Physical layer control module 64 again.And, deliver to data buffer area 61 by physical layer interface 68, Physical layer control module 64, bus protocol analysis module 63 successively from the feedback information of equipment to be controlled; Host computer obtains data by PC bus control module 62 visit data buffer areas 61.Among Fig. 2, lathe data storage area 67 is used to store the current up-to-date configuration data of lathe, by PC bus control module 62 and host computer interaction data.
Above-mentioned two patented claims are incorporated into this paper by reference, are of value to the application's further understanding.
Machine tool keyboard or title numerical control keyboard, lathe soft keyboard, Industry Control keyboard.In existing digital control system, be an indispensable equipment.How machine tool keyboard is set effectively, to reach the allocation optimum of hardware, software two aspects, is the problem that various digital control systems need solve.And need too to address this problem at 200710010062.0 disclosed " bus-type numerical control systems ".
Summary of the invention
At the problems referred to above, the present invention is intended to improve the practicality of this class ring bus formula digital control system for full digital ring bus formula digital control system shown in Figure 1 provides a kind of optimum set-up mode of machine tool keyboard, reduces cost, and more effectively controls in real time.
To achieve these goals, the invention provides the set-up mode of a kind of machine tool keyboard in the full digital ring bus digital control system.In this full digital ring bus digital control system, main equipment comprises host computer and the bus controller that numerical control software is housed, and slave unit comprises number bus formula servo-driver and number bus formula PLC.Host computer utilizes transmission medium directly to connect machine tool keyboard by the special ethernet physical layer interface 68c that is provided with on the bus controller, and with physical layer link interaction data between host computer and machine tool keyboard.
Under the optimal way, transmission medium is selected super Category-5 twisted pair or optical fiber for use.And above-mentioned machine tool keyboard comprises machine tool keyboard bus controller and the number bus formula PLC control section that is used for directly controlling lathe; The machine tool keyboard bus controller comprises Physical layer control module and bus protocol analysis module.The communication process of information is, delivers to the bus protocol analysis module from the information of host computer by the Physical layer control module, after bus protocol analysis module parses information, is sent to the PLC control section, by the action of PLC I/O interface control lathe; Accordingly, the information by the input of PLC I/O interface after the bus protocol analysis module parses, mails to host computer by the Physical layer control module.
In the full digital ring bus digital control system that the present invention relates to, thereby main equipment is connected in series 1-24 slave unit successively and connects back main equipment and constitutes a closed circuit, the link transmission data by being connected with transmission medium with Physical layer between main equipment and the slave unit.During work, main equipment sends the main information relevant with all slave units to direct-connected first order slave unit with it.Main information comprises command information, data message and triggers the exectorial information of certain one-level slave unit; And main information will be according to the order that is connected in series slave unit one-way transmission successively to each slave unit.When certain one-level slave unit receives, responds information associated in the described main information and provides feedback information; Feedback information is transmitted back main equipment according to the unidirectional successively slave unit by each subordinate of the order of serial connection slave unit.
By technique scheme, the mode that machine tool keyboard is set in full digital ring bus digital control system shown in Figure 1 provided by the invention can reach optimum resource distribution, still is that software resource is saved cost greatly at hardware no matter.Because the response rank of machine tool keyboard is the highest, all effectively guaranteed aspect real-time and the reliability simultaneously.
Description of drawings
Fig. 1 is the structural representation of a kind of full digital ring bus digital control system that the present invention relates to;
Fig. 2 is the structural representation of bus controller among Fig. 1;
Fig. 3 is the machine tool keyboard its inside function module diagram of one embodiment of the present invention;
The high-level schematic functional block diagram of Fig. 4 another embodiment of the present invention machine tool keyboard inside.
Embodiment
Disclose a kind of full digital ring bus digital control system among Fig. 1, comprised main equipment and slave unit.Wherein, main equipment comprises host computer 1 and the bus controller 2 that numerical control software is housed, and slave unit comprises number bus formula servo-driver 3 and number bus formula PLC.Thereby main equipment is connected in series 1-24 slave unit successively and connects back main equipment and constitutes a closed circuit, the link transmission data by being connected with transmission medium with Physical layer between main equipment and the slave unit.During work, main equipment sends the main information relevant with all slave units to direct-connected first order slave unit with it.This main information comprises command information, data message and triggers the exectorial information of certain one-level slave unit; And main information will be according to the order that is connected in series slave unit one-way transmission successively to each slave unit.When certain one-level slave unit receives, responds information associated in the main information and provides feedback information; Feedback information is transmitted back main equipment according to the unidirectional successively slave unit by each subordinate of the order of serial connection slave unit.
For machine tool keyboard is set, as shown in Figure 2,, realizes the IO control of machine tool keyboard PLC just the physical layer interface 68c of bus controller directly connects the physical layer interface of machine tool keyboard.Thereby host computer 1 utilizes transmission medium directly to connect machine tool keyboard by the ethernet physical layer interface of bus controller, and with physical layer link interaction data between host computer 1 and machine tool keyboard.Under the optimal way, transmission medium is selected super Category-5 twisted pair or optical fiber for use.Among the figure, the interface 68a of bus controller during operate as normal, is used for host computer and sends data message, command information and exectorial information to slave unit; Interface 68b is used for the slave unit feedback information and sends host computer back to, thereby constitutes loop.
As shown in Figure 3, machine tool keyboard is controlled as a standard PLC equipment.Follow the bus protocol that digital control system is supported between the soft PLC supervisory routine of this PLC and cnc system software, realize real-time Communication for Power by bus controller.Because machine tool keyboard requires than higher response speed, therefore the present invention reserves an independent bus interface machine tool keyboard is set, and be the highest response of this Interface design and the priority of processing, guarantee the real-time of the data interaction between machine tool keyboard and the host computer.
As shown in Figure 4, for the quantity of expansion technique of PLC I/O interface, can be connected in series the PLC I/O control module of 2-3 24 inputs, 16 outputs.When host computer when machine tool keyboard sends information, deliver to the bus protocol analysis module from the information of host computer by the Physical layer control module, after bus protocol analysis module parses information, be sent to the PLC control section, by PLC I/O interface control lathe.And, need utilize the Physical layer control module to mail to host computer again through the bus protocol analysis module parses equally by the information that PLC I/O interface is imported.The machine tool keyboard principle of work of this control procedure and prior art is similar, and the object of the invention is intended to protect in bus-type numerical control system shown in Figure 1 the mode that adopts the solution of the present invention that machine tool keyboard is set.
And the employed keyboard of machine tool keyboard of the present invention and host computer is distinguishing, and the keyboard of host computer has only the function of simple input digit, letter usually.And keyboard involved in the present invention, corresponding respectively certain fixing operation of execution of each function key on it, directly control the action and the process of lathe, as, suddenly stop, model selection, axially select, start-stop, program debug function and other M, the S of the adjustment of cutting speed of feed, speed of mainshaft adjustment, main shaft, T function etc.Can also realize a certain Machine-Tool Control function with other input mode such as knob mode on the keyboard, usually the output that also has modes such as indicating status.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (4)
1, the set-up mode of a kind of machine tool keyboard in the full digital ring bus digital control system, the main equipment of full digital ring bus digital control system comprises host computer (1) and the bus controller (2) that numerical control software is housed, slave unit comprises number bus formula servo-driver (3) and number bus formula PLC, it is characterized in that
Described host computer (1) utilizes transmission medium directly to connect machine tool keyboard by the ethernet physical layer interface of described bus controller, and with physical layer link interaction data between host computer (1) and machine tool keyboard.
2, according to the set-up mode of the described machine tool keyboard of claim 1 in the full digital ring bus digital control system, it is characterized in that described transmission medium is selected super Category-5 twisted pair or optical fiber for use.
According to the set-up mode of the described machine tool keyboard of claim 2 in the full digital ring bus digital control system, it is characterized in that 3, described machine tool keyboard comprises the machine tool keyboard bus controller and is used for directly controlling the PLC control section of lathe; Described machine tool keyboard bus controller comprises Physical layer control module and bus protocol analysis module; Wherein,
Information from host computer is delivered to the bus protocol analysis module by the Physical layer control module, after described bus protocol analysis module parses information, is sent to the PLC control section, by PLC I/O interface control lathe;
Information by the input of PLC I/O interface after described bus protocol analysis module parses, mails to host computer by the Physical layer control module.
4, according to the set-up mode of the arbitrary described machine tool keyboard of claim 1-3 in the full digital ring bus digital control system, it is characterized in that, in described full digital ring bus digital control system, thereby described main equipment is connected in series 1-24 slave unit successively and connects back main equipment and constitutes a closed circuit, the link transmission data by being connected with transmission medium with Physical layer between described main equipment and the slave unit;
Wherein, described main equipment sends the main information relevant with all slave units to direct-connected first order slave unit with it; Described main information comprises command information, data message and triggers the exectorial information of certain one-level slave unit; And described main information will be according to the order that is connected in series slave unit one-way transmission successively to each slave unit;
Certain one-level slave unit receives, responds information associated in the described main information and provides feedback information; Described feedback information is transmitted back main equipment according to the unidirectional successively slave unit by each subordinate of the order of serial connection slave unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100101479A CN101008843A (en) | 2007-01-24 | 2007-01-24 | Setting mode of machine tool keyboard in full digitized ring bus NC system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100101479A CN101008843A (en) | 2007-01-24 | 2007-01-24 | Setting mode of machine tool keyboard in full digitized ring bus NC system |
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| CN101008843A true CN101008843A (en) | 2007-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100101479A Pending CN101008843A (en) | 2007-01-24 | 2007-01-24 | Setting mode of machine tool keyboard in full digitized ring bus NC system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981460A (en) * | 2011-06-03 | 2013-03-20 | 台达电子工业股份有限公司 | Climate management system, and management method and power supply system using same |
| CN115542843A (en) * | 2022-12-02 | 2022-12-30 | 陕西诺贝特自动化科技股份有限公司 | Signal processing method, system and storage medium for control panel of numerical control machine tool |
-
2007
- 2007-01-24 CN CNA2007100101479A patent/CN101008843A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981460A (en) * | 2011-06-03 | 2013-03-20 | 台达电子工业股份有限公司 | Climate management system, and management method and power supply system using same |
| CN115542843A (en) * | 2022-12-02 | 2022-12-30 | 陕西诺贝特自动化科技股份有限公司 | Signal processing method, system and storage medium for control panel of numerical control machine tool |
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