CN104199373A - PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method - Google Patents
PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method Download PDFInfo
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- CN104199373A CN104199373A CN201410380401.4A CN201410380401A CN104199373A CN 104199373 A CN104199373 A CN 104199373A CN 201410380401 A CN201410380401 A CN 201410380401A CN 104199373 A CN104199373 A CN 104199373A
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Abstract
The invention provides a PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method and relates to the field of the design of PLC cabinets. The PLC cabinet I/O point calibration device comprises a case, a touch screen, a power input line plug, a switch power supply and a PLC communication cable; the touch screen is arranged on a front panel of the case; the switch power supply is arranged inside the case; the power input line plug is arranged on a side panel of the case and connected with the switch power supply; the power input line plug is used for converting the accessed 220 V alternating current into the 24 V direct current through the switch power supply to supply power for the touch screen; a communication port of the touch screen is connected with the PLC communication cable and leaded to the lateral side of the case; the touch screen is connected with a PLC through the PLC communication cable and used for displaying every calibration result of every I/O point of the PLC to be calibrated. According to the PLC cabinet I/O point calibration device and method, only one person is required to achieve a calibration task when a PLC cabinet is calibrated and accordingly the working efficiency is high, various calibration errors can be avoided, and the accuracy is high.
Description
Technical field
The present invention relates to PLC switch board design field, be specifically related to a kind of PLC cabinet IO point calibration equipment and method of calibration thereof.
Background technology
At present, at PLC switch board design field, while checking and accepting PLC switch board, need two people to coordinate and carry out verification, i.e. people short-circuited terminal row after switch board, another person observes and shows result before switch board.This method, in checking procedure, often because two people before and after switch board understand differently to be caused, cause verification to leak item or check errors, and two is difficult for realizing per capita.Meanwhile, this method of calibration has consumed a large amount of time, work efficiency is reduced, and have some verify errors, and accuracy rate is low.
Summary of the invention
The inefficiency and the low technical matters of accuracy rate that exist in order to solve existing method of calibration, the invention provides a kind of PLC cabinet IO point calibration equipment and method of calibration thereof.
The technical scheme that technical solution problem of the present invention is taked is as follows:
PLC cabinet IO point calibration equipment, comprises cabinet, touch-screen, electric power incoming line plug, Switching Power Supply and plc communication cable; Touch-screen is arranged on the front panel of cabinet, and Switching Power Supply is arranged on the inside of cabinet; Electric power incoming line plug is arranged on the side panel of cabinet, and is connected with Switching Power Supply, and electric power incoming line plug is touch-screen power supply by the 220V alternating current of access after Switching Power Supply is converted to 24V direct current; The PORT COM of touch-screen is connected with plc communication cable, and guides to the side of cabinet; Touch-screen is connected with PLC by plc communication cable, the check results of touch-screen for showing that each I/O of PLC to be verified is ordered.
The method of calibration of above-mentioned PLC cabinet IO point calibration equipment, comprises the steps:
The first step, according to the type of PLC to be verified, select the configuration program in notebook computer;
Second step, notebook computer is connected with touch-screen by plc communication cable, and calibration equipment is switched on;
The 3rd step, enter under program and fill after picture until the picture of touch-screen, will under selected first step configuration program, install in touch-screen;
After installing under the 4th step, configuration program, calibration equipment power-off, and take off touch-screen is connected use plc communication cable with notebook computer;
The 5th step, PLC to be verified is connected on cabinet to calibration equipment energising by plc communication cable;
The 6th step, according to Practical Project requirement, successively the I/O point of PLC to be verified is carried out to verification, assay is directly presented on touch-screen.
Described in the first step, the process of establishing of configuration program is: first according to the actual configuration parameter of PLC to be verified, count that switching value input is counted, switching value output is counted, analog input is counted and analog output is counted; Then design switching value display frame, each switching value input/output point form with pilot lamp on this picture is shown; Last design simulation amount display frame, shows each analog input/output point form with percentage on this picture.
The invention has the beneficial effects as follows: this equipment, in the time of verification PLC cabinet, only needs a people can complete verification task, and not only work efficiency is high, but also can avoid the generation of various check errors, and accuracy rate is high.
Brief description of the drawings
Fig. 1 is that PLC cabinet IO point calibration equipment of the present invention removes cabinet top cover structural representation afterwards.
Fig. 2 is the verification view of switching value in the present invention.
Fig. 3 is the verification view of analog quantity in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further details.
As shown in Figure 1, PLC cabinet IO point calibration equipment of the present invention comprises cabinet 1, touch-screen 2, electric power incoming line plug 3, Switching Power Supply 4 and the two ends plc communication cable 5 with attachment plug; Touch-screen 2 is arranged on the front panel of cabinet 1, and Switching Power Supply 4 is arranged on the inside of cabinet 1; Electric power incoming line plug 3 is arranged on the side panel of cabinet 1, and is connected with Switching Power Supply 4, and electric power incoming line plug 3 is powered the 220V alternating current of access after Switching Power Supply 4 is converted to 24V direct current for touch-screen 2; The PORT COM of touch-screen 2 is connected with plc communication cable 5, and guides to the side of cabinet 1; Touch-screen 2 is connected with PLC by plc communication cable 5, the check results of touch-screen 2 for showing that each I/O of PLC to be verified is ordered.When use, the PLC of every type is connected on touch-screen 2 by the plc communication cable 5 of corresponding types separately.
The method of calibration of PLC cabinet IO point calibration equipment comprises the steps:
The first step, according to the type of PLC to be verified, select the configuration program in notebook computer; The process of establishing of described configuration program is: first according to the actual configuration parameter of PLC to be verified, count that switching value input is counted, switching value output is counted, analog input is counted and analog output is counted; Then design switching value display frame, each switching value input/output point form with pilot lamp on this picture is shown; Last design simulation amount display frame, shows each analog input/output point form with percentage on this picture;
Second step, by plc communication cable 5, notebook computer is connected with touch-screen 2, and calibration equipment is switched on;
The 3rd step, enter under program and fill after picture until the picture of touch-screen 2, will under selected first step configuration program, install in touch-screen 2;
After installing under the 4th step, configuration program, calibration equipment power-off, and take off touch-screen 2 is connected use plc communication cable 5 with notebook computer;
The 5th step, PLC to be verified is connected on touch-screen 2 to calibration equipment energising by plc communication cable 5;
The 6th step, according to Practical Project requirement, successively the I/O point of PLC to be verified is carried out to verification, assay is directly presented on touch-screen 2.
Embodiment:
As shown in Figures 2 and 3, taking Siemens PLC as example, touch-screen 2 adopts MT508S model touch-screen, and Switching Power Supply 4 adopts 6EP1332-1SH42 model, and plc communication cable adopts Siemens 6ES7972-0CB20-0XA0 model Programme Line.Software configuration: configuration picture on touch-screen 2, thereby the I/O state of demonstration PLC.
PLC for SIEMENS S 7-200 number: designer is according to the experience of multiple engineerings, and the each I/O point quantity that designs this PLC is as follows:
Digital quantity input DI 24 points;
Digital output DO 16 points;
Analog input AI 20 points;
Analog output AO 1 point.
PLC for Siemens S7-300 model: designer is according to the experience of multiple engineerings, and the each I/O point quantity that designs this PLC is as follows:
Digital quantity input DI 96 points;
Digital output DO 32 points;
Analog input AI 32 points;
Analog output AO 1 point.
PLC for Siemens S7-400 model: designer is according to the experience of multiple engineerings, and the each I/O point quantity that designs this PLC is as follows:
Digital quantity input DI 128 points;
Digital output DO 32 points;
Analog input AI 32 points;
Analog output AO 2 points.
The selection picture of PLC model is set on touch-screen 2, and disparity items enters the I/O effect picture of different PLC.Wherein, DI and DO point show taking pilot lamp as state, and this verification of the bright expression of pilot lamp is qualified, and pilot lamp goes out and represents that this verification is defective; Within AI and AO o'clock, taking 0～100% numerical value as effect value, numerical value is that this verification of 0 expression is defective, and numerical value is that correct percentage represents that this verification is qualified.
Claims (3)
1.PLC cabinet IO point calibration equipment, is characterized in that, this equipment comprises cabinet (1), touch-screen (2), electric power incoming line plug (3), Switching Power Supply (4) and plc communication cable (5); Touch-screen (2) is arranged on the front panel of cabinet (1), and Switching Power Supply (4) is arranged on the inside of cabinet (1); Electric power incoming line plug (3) is arranged on the side panel of cabinet (1), and be connected with Switching Power Supply (4), electric power incoming line plug (3) is touch-screen (2) power supply by the 220V alternating current of access after Switching Power Supply (4) is converted to 24V direct current; The PORT COM of touch-screen (2) is connected with plc communication cable (5), and guides to the side of cabinet (1); Touch-screen (2) is connected with PLC by plc communication cable (5), the check results of touch-screen (2) for showing that each I/O of PLC to be verified is ordered.
2. the method for calibration of PLC cabinet IO point calibration equipment as claimed in claim 1, is characterized in that, the method comprises the steps:
The first step, according to the type of PLC to be verified, select the configuration program in notebook computer;
Second step, notebook computer is connected with touch-screen (2) by plc communication cable (5), and calibration equipment is switched on;
The 3rd step, enter under program and fill after picture until the picture of touch-screen (2), will under selected first step configuration program, install in touch-screen (2);
After installing under the 4th step, configuration program, calibration equipment power-off, and take off touch-screen (2) is connected use plc communication cable (5) with notebook computer;
The 5th step, that PLC to be verified is connected to cabinet (1) by the plc communication cable (5) of corresponding types is upper, calibration equipment energising;
The 6th step, according to Practical Project requirement, successively the I/O point of PLC to be verified is carried out to verification, assay is directly presented on touch-screen (2).
3. the method for calibration of PLC cabinet IO point calibration equipment as claimed in claim 2, it is characterized in that, described in the first step, the process of establishing of configuration program is: first according to the actual configuration parameter of PLC to be verified, count that switching value input is counted, switching value output is counted, analog input is counted and analog output is counted; Then design switching value display frame, each switching value input/output point form with pilot lamp on this picture is shown; Last design simulation amount display frame, shows each analog input/output point form with percentage on this picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380401.4A CN104199373A (en) | 2014-08-04 | 2014-08-04 | PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380401.4A CN104199373A (en) | 2014-08-04 | 2014-08-04 | PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method |
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| Publication Number | Publication Date |
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| CN104199373A true CN104199373A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410380401.4A Pending CN104199373A (en) | 2014-08-04 | 2014-08-04 | PLC (Programmable Logic Controller) cabinet I/O (Input/Output) point calibration device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114647233A (en) * | 2022-05-18 | 2022-06-21 | 浙江国利网安科技有限公司 | PLC operation configuration monitoring method and device, storage medium and electronic equipment |
-
2014
- 2014-08-04 CN CN201410380401.4A patent/CN104199373A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| 刘伟: "《计算机控制系统组态与安装调试》", 1 August 2014 * |
| 本书编辑组: "《PLC故障信息与维修代码速查手册》", 28 February 2014 * |
| 煤炭工业职业技能鉴定指导中心: "《矿井维修电工（技师、高级技师）》", 1 December 2007 * |
| 王法辉: "PLC模块自动测试系统的设计与开发", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114647233A (en) * | 2022-05-18 | 2022-06-21 | 浙江国利网安科技有限公司 | PLC operation configuration monitoring method and device, storage medium and electronic equipment |
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Application publication date: 20141210 |