CN101673102A - Method for controlling port by PLC in numerically-controlled machine tool system - Google Patents
Method for controlling port by PLC in numerically-controlled machine tool system Download PDFInfo
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- CN101673102A CN101673102A CN200910196297A CN200910196297A CN101673102A CN 101673102 A CN101673102 A CN 101673102A CN 200910196297 A CN200910196297 A CN 200910196297A CN 200910196297 A CN200910196297 A CN 200910196297A CN 101673102 A CN101673102 A CN 101673102A
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Abstract
The invention discloses a method for controlling a port by a PLC in a numerically-controlled machine tool system, which comprises the following steps: (1) obtaining current port information comprisingport address information from a timer by the PLC; (2) processing the port by a PLC command through the PLC according to the obtained port information; and (3) returning the obtained port informationto a drive R0; obtaining the information of the current port by the circular scanning of the timer, then carrying out the corresponding control processing by the PLC according to the obtained port information to control the output of the port and the detection of an input port effectively. The invention has simple and convenient processing procedure, stable and reliable working performance and extensive application range and is more economical.
Description
Technical field
The present invention relates to the numerically-controlled machine tool system field, the method for PLC control port in particularly a kind of numerically-controlled machine tool system of numerically-controlled machine tool system port controlling technical field.
Background technology
Manufacturing industry is the basic industry of national economy, and the height of manufacturing level is an important symbol of weighing an industrial development degree of country, and the height of numerically-controlled machine level is concerning the height of national manufacturing industry level.
In the prior art, we can utilize digital control system to cut accordingly or welding etc., when utilizing lathe to carry out the high-pressure water-jet cutting machine operation, perhaps during other cutting engravings, sometimes need to open the output of certain port, water valve during for example water cuts, high pressure, sand valve etc., simultaneously also need some the time close the output of some ports, simultaneously also need some input is detected, the result who detects is handled accordingly, as some warnings; Because with a kind of cutting machine, but the input of the different needed ports of producer, output neither be identical, if run into the different just exploitations again of inputing or outputing of port, that just needs the cost great amount of manpower, and financial resources, this method is obviously uneconomical.
Therefore, press for a kind ofly on original basis, only need to revise output and method that some configuration file just can reach control port importing and port being detected.
Summary of the invention
The method that the purpose of this invention is to provide PLC control port in a kind of numerically-controlled machine tool system has overcome above-mentioned shortcoming of the prior art, effectively the output of control port and the detection of input port, processing procedure is simple and convenient, stable and reliable working performance, the scope of application is extensive, more economically.
The present invention solves the technical scheme that its technical matters takes:
The method of PLC control port is characterized in that in a kind of numerically-controlled machine tool system, and it comprises the steps:
(1) PLC obtains the current port information that comprises port address information from timer Timer;
(2) by the PLC instruction port is handled according to the port information that obtains by PLC;
(3) port information that obtains is returned to driving R0.
In one embodiment of the invention, timer Timer obtains current port information by the mode of scan round, and the scan period of timer Timer is per 20 milliseconds of run-downs, guarantees the degree of accuracy of port information.
In one embodiment of the invention, described port is divided into input port and output port, and described port addresses according to channel mode, 32 numberings of each passage, and promptly each passage can hold 32 ports.
In one embodiment of the invention, described port address is made up of channel number and bit address, and bit address is low 2 (decimal system), and channel number is high 3 (decimal systems), and the Base Serial Number of described channel number and bit address all is 0.
In one embodiment of the invention, described port also comprises the integrated circuit board port, and described integrated circuit board port is that unit forms a Port with 8, and each Port has a Port offset address.
Further, offset address is that 0 Port represents the invalid address, and the address, corresponding port is also invalid.
Further, per 4 input type Port just can form an input channel, and per 4 output type Port form an output channel, and the integrated circuit board port mapping is become port address.
In one embodiment of the invention, described method also comprises the detection to port, and when the port that scans some characteristic as timer Timer had output, PLC can produce events corresponding and report to the police, promptly stops.
The method of PLC control port in the numerically-controlled machine tool system of the present invention, obtain to work as the information of front port by timer scan round, carrying out control corresponding by PLC according to the port information that obtains again handles, the effectively output of control port and the detection of input port, processing procedure is simple and convenient, stable and reliable working performance, the scope of application is extensive, more economically.
Description of drawings
Fig. 1 is the FB(flow block) of the method for PLC control port in the numerically-controlled machine tool system of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Embodiment
As shown in Figure 1, the method for PLC control port in the numerically-controlled machine tool system of the present invention, it comprises the steps:
(1) PLC obtains the current port information that comprises port address information from timer Timer;
(2) by the PLC instruction port is handled according to the port information that obtains by PLC;
(3) port information that obtains is returned to driving R0.
In the present invention, timer Timer obtains current port information by the mode of scan round, and the scan period of timer Timer is per 20 milliseconds of run-downs, guarantees the degree of accuracy of port information.
In the present invention, described port is divided into input port and output port, and described port addresses according to channel mode, 32 numberings of each passage, and promptly each passage can hold 32 ports.
Wherein, in the present embodiment, input port and output port have respectively been divided 100 passages, and this just means that system can hold 3200 physics input ports and 3200 physics output ports; Described port address is made up of channel number and bit address, and bit address is low 2 (decimal system), and channel number is high 3 (decimal systems), and the Base Serial Number of described channel number and bit address all is 0; Wherein the channel number scope of input port is 000～099; The channel number scope of output port is 100～199.
PLC address 02308 expression channel number is 23 the 8th bit address input port; PLC address 11227 expression channel numbers are 112 the 27th bit address output port.
In the present invention, described port also comprises the integrated circuit board port, and described integrated circuit board port is that unit forms a Port with 8, and each Port has a Port offset address, and offset address is that 0 Port represents the invalid address, and the address, corresponding port is also invalid; Add a base address number when actual motion, can for integrated circuit board physical port address, can notify driver number what to be for the base address simultaneously.
Per 4 input type Port just can form an input channel, and per 4 output type Port form an output channel, and the integrated circuit board port mapping is become port address.
Such as:
m_nInPortAddr[0]＝0x0030 ；BIO1_PA
m_nInPortAddr[1]＝0x0032 ；BIO1_PC
m_nInPortAddr[2]＝0x0000 ；BIO3_PB
m_nInPortAddr[3]＝0x0000 ；BIO3_PC
m_nInPortAddr[4]＝0x0000 ；BIO3_PA
m_nInPortAddr[5]＝0x70 ；BIO2_PA
m_nOutPortAddr[0]＝0x31 ；BIO1_PB
m_nOutPortAddr[1]＝0x72 ；BIO2_PC
m_nOutPortAddr[2]＝0x71 ；BIO2_PB
Wherein, be designated as 6 input Port of 0～5 down, form the 0th passage for preceding four, latter two forms the 1st passage, and equal sign the right is the offset address of Port.So port address 00010 expression m_nInPortAddr[1] the 2nd port be the 3rd of BIO1_PC (offset address 0x32), i.e. BIO1_PC.2.Must understand addressing since 0, each Port has 8; Port address 00108 is represented the 1st of BIO2_PA.
Be designated as 3 output Port of 0～3 down, form low 24 ports (10000～10023) of the 100th passage (the initial channel number of output channel), so the 4th port, the i.e. BIO1_PB.3 of 10003 expression BIO1_PB (offset address 0x31).
Processing to output port, in PLC language port handling procedure, some effective output ports are handled, we can utilize port address to handle these ports, and we will utilize the PLC instruction that port is handled, and will write from memory port in certain location or time output.
Input port is detected, in PLC language port handling procedure some effective input ports are handled, we can utilize port address to handle these ports, when reading some input port output are arranged, utilize PLC instruction to do some relevant things, as function such as reporting to the police, promptly stop.
Timer scanning port information, after we utilized the PLC program to carry out inspection to the processing of output port and input port, the master routine that constantly scans the PLC program can carry out record with port status, so that transmission.
Port message is returned driving, the port information that obtains is given driven the processing of being correlated with.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1, the method for PLC control port in a kind of numerically-controlled machine tool system is characterized in that it comprises the steps:
(1) PLC obtains the current port information that comprises port address information from timer Timer;
(2) by the PLC instruction port is handled according to the port information that obtains by PLC;
(3) port information that obtains is returned to driving R0.
2, method according to claim 1 is characterized in that, timer Timer obtains current port information by the mode of scan round, and the scan period of timer Timer is per 20 milliseconds of run-downs, guarantees the degree of accuracy of port information.
3, method according to claim 1 is characterized in that, described port is divided into input port and output port, and described port addresses according to channel mode, 32 numberings of each passage, and promptly each passage can hold 32 ports.
4, method according to claim 1 is characterized in that, described port address is made up of channel number and bit address, and bit address is low 2 (decimal system), and channel number is high 3 (decimal systems), and the Base Serial Number of described channel number and bit address all is 0.
5, method according to claim 1 is characterized in that, described port also comprises the integrated circuit board port, and described integrated circuit board port is that unit forms a Port with 8, and each Port has a Port offset address.
6, method according to claim 5 is characterized in that, offset address is that 0 Port represents the invalid address, and the address, corresponding port is also invalid.
7, method according to claim 5 is characterized in that, per 4 input type Port just can form an input channel, and per 4 output type Port form an output channel, and the integrated circuit board port mapping is become port address.
8, method according to claim 1 is characterized in that, described method also comprises the detection to port, and when the port that scans some characteristic as timer Timer had output, PLC can produce events corresponding and report to the police, promptly stops.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101962972A CN101673102B (en) | 2009-09-24 | 2009-09-24 | Method for controlling port by PLC in numerically-controlled machine tool system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101962972A CN101673102B (en) | 2009-09-24 | 2009-09-24 | Method for controlling port by PLC in numerically-controlled machine tool system |
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| CN101673102A true CN101673102A (en) | 2010-03-17 |
| CN101673102B CN101673102B (en) | 2011-09-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096390A (en) * | 2011-01-30 | 2011-06-15 | 深圳市合信自动化技术有限公司 | Programmable logic controller, program compiler, compiling system and method |
| CN102156445A (en) * | 2011-03-01 | 2011-08-17 | 上海维宏电子科技有限公司 | Method for realizing logistic diagnosis of port in numerical control system |
| CN112792178A (en) * | 2020-12-21 | 2021-05-14 | 上海维宏电子科技股份有限公司 | Pipe bending method of numerical control pipe bender |
-
2009
- 2009-09-24 CN CN2009101962972A patent/CN101673102B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096390A (en) * | 2011-01-30 | 2011-06-15 | 深圳市合信自动化技术有限公司 | Programmable logic controller, program compiler, compiling system and method |
| CN102096390B (en) * | 2011-01-30 | 2014-04-09 | 深圳市合信自动化技术有限公司 | Programmable logic controller, configuration program compiler and method |
| CN102156445A (en) * | 2011-03-01 | 2011-08-17 | 上海维宏电子科技有限公司 | Method for realizing logistic diagnosis of port in numerical control system |
| CN102156445B (en) * | 2011-03-01 | 2012-09-26 | 上海维宏电子科技股份有限公司 | Method for realizing logistic diagnosis of port in numerical control system |
| CN112792178A (en) * | 2020-12-21 | 2021-05-14 | 上海维宏电子科技股份有限公司 | Pipe bending method of numerical control pipe bender |
| CN112792178B (en) * | 2020-12-21 | 2022-07-12 | 上海维宏电子科技股份有限公司 | Pipe bending method of numerical control pipe bender |
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| CN101673102B (en) | 2011-09-07 |
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