CN114253211A - Method for mutual verification of PLC and upper computer WCS signals - Google Patents
Method for mutual verification of PLC and upper computer WCS signals Download PDFInfo
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- CN114253211A CN114253211A CN202111535676.7A CN202111535676A CN114253211A CN 114253211 A CN114253211 A CN 114253211A CN 202111535676 A CN202111535676 A CN 202111535676A CN 114253211 A CN114253211 A CN 114253211A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012795 verification Methods 0.000 title claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 18
- 230000002452 interceptive effect Effects 0.000 claims abstract description 16
- 238000009825 accumulation Methods 0.000 claims abstract description 14
- 238000013500 data storage Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 3
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1179—Safety, on error, fault, block, inhibit output
Abstract
The invention provides a method for verifying signal interaction between a PLC and an upper computer WCS, which comprises the following steps: interactive verification in the data sending stage: s11, the lower system acquires data at an interaction point position, and triggers the accumulation calculator to generate a unique serial number in the PLC of the lower system; s12, binding the unique serial number with the acquired data, sending the bound data packet to an upper computer, generating a time stamp by a PLC (programmable logic controller) when the data packet is sent, and receiving the data by a WCS (trusted computing system) server of the upper computer; interactive verification of the stage of receiving data: s21, after the upper computer feeds the data back to the PLC of the lower system for analysis, the upper computer returns the unique serial number analyzed by the PLC; and S22, after the PLC analyzes the unique serial number, the PLC marks a receiving time stamp on the received data, and the PLC completes data receiving. When the upper WCS and the PLC communication information generate data delay, packet loss disorder data delay and packet loss disorder, information tracking can be inquired, and the fault of the information interaction between the PLC and the upper computer can be rapidly eliminated.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of intelligent warehousing, in particular to a method for verifying signal interaction between a PLC and an upper computer WCS.
[ background of the invention ]
The interactive butt joint mode of the PLC and the upper computer WCS comprises a mode of an Ethernet-based TCP/IP protocol such as OPC UA and Socket, the network topology of the system is shown in figure 1, the system comprises an upper computer and a lower PLC controller, and the execution equipment comprises a conveyor, a sorting line stacker and other execution equipment.
Because the network link has the phenomena of network delay, packet loss and the like, when the upper computer receives a data packet, the data packet may be data after several seconds, so that the data delay or packet loss disorder is generated when the upper WCS communicates with the PLC, and a method for interactively verifying signals of the PLC and the upper computer WCS is provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a method for verifying signal interaction between a PLC and an upper computer WCS.
In order to achieve the aim, the invention provides a method for verifying the interaction of signals of a PLC and an upper computer WCS, which comprises the steps of interactive verification in a data sending stage and interactive verification in a data receiving stage;
the interactive verification of the data sending stage specifically comprises the following steps:
s11, the lower system acquires data at an interaction point position, and triggers an accumulation calculator to generate a unique serial number in a PLC (programmable logic controller) of the lower system;
s12, binding the unique serial number with the acquired data, sending the bound data packet to an upper computer, generating a time stamp by a PLC (programmable logic controller) when the data packet is sent, and receiving the data by a WCS (trusted computing system) server of the upper computer;
the interactive verification in the data receiving stage specifically comprises the following steps:
s21, after the upper computer feeds the data back to the PLC of the lower system for analysis, the upper computer returns the unique serial number analyzed by the PLC;
and S22, after the PLC analyzes the unique serial number, the PLC marks a receiving time stamp on the received data, and the PLC completes data receiving.
Preferably, in step S11, the data collected by the lower system includes barcode data and size data.
Preferably, in S12, the unique serial number is bound to the collected barcode data.
Preferably, in step S11, the data is defined and the data storage area size is accumulated, the accumulation range is 1-65535, and when the count exceeds the accumulation range, the process returns to 1 to start accumulation.
Preferably, in step S12, the bound data packet is sent to the upper computer in a Socket manner.
Preferably, in step S12, the PLC generates a time stamp and stores the time stamp in the PLC data.
The invention has the beneficial effects that: by means of the method of adding the unique serial number and the systematic timestamp, when data delay or packet loss is disordered when communication information of the upper WCS and the PLC is communicated, information tracking can be inquired, time recording is provided, and faults of information interaction between the PLC and the upper WCS can be eliminated quickly. Meanwhile, the method can be used for recording various field faults detected by the PLC, and storing and recording data. The frequency and time for eliminating the fault of the equipment are used for maintaining the equipment and solving the fault of the equipment.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic network topology diagram of an interaction system of an LC and an upper computer WCS;
fig. 2 is a flowchart of a method for verifying signal interaction between a PLC and a WCS of an upper computer according to the present invention.
[ detailed description ] embodiments
Referring to fig. 2, the method for verifying the WCS signal interaction between the PLC and the upper computer of the present invention includes the interactive verification at the data sending stage and the interactive verification at the data receiving stage;
the interactive verification of the data sending stage specifically comprises the following steps:
s11, when the lower system collects bar code data or other dimension data at an interaction point position, the lower system triggers an accumulation calculator, the accumulation calculator is accumulated and calculated according to the storage size of the data, the accumulation range is 1-65535, and when the accumulation range is exceeded, the lower system returns to 1 again to start accumulation, so that a unique serial number in a PLC (programmable logic controller) of the lower system is generated;
s12, binding the unique serial number with the acquired bar code data, sending the bound data packet to an upper computer in a Socket mode, generating a time stamp by the PLC when the data packet is sent, storing the time stamp in the PLC data, and receiving the data by a WCS server of the upper computer;
the interactive verification in the data receiving stage specifically comprises the following steps:
s21, after the upper computer feeds the data back to the PLC of the lower system for analysis, the upper computer returns the unique serial number analyzed by the PLC;
and S22, after the PLC analyzes the unique serial number, the PLC marks a receiving time stamp on the received data, and the PLC completes data receiving.
The working principle of the invention is as follows:
the invention uses the method of unique serial number plus systematic timestamp, when the upper WCS and PLC communication information generate data delay or packet loss are disordered, the information tracking can be inquired, and there is time recording, and the fault of PLC and upper interactive information can be eliminated quickly. Meanwhile, the method can be used for recording various field faults detected by the PLC, and storing and recording data. The frequency and time for eliminating the fault of the equipment are used for maintaining the equipment and solving the fault of the equipment.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. A method for mutual signal verification of a PLC and an upper computer WCS is characterized in that: the method comprises the steps of interactive verification of a data sending stage and interactive verification of a data receiving stage;
the interactive verification of the data sending stage specifically comprises the following steps:
s11, the lower system acquires data at an interaction point position, and triggers an accumulation calculator to generate a unique serial number in a PLC (programmable logic controller) of the lower system;
s12, binding the unique serial number with the acquired data, sending the bound data packet to an upper computer, generating a time stamp by a PLC (programmable logic controller) when the data packet is sent, and receiving the data by a WCS (trusted computing system) server of the upper computer;
the interactive verification in the data receiving stage specifically comprises the following steps:
s21, after the upper computer feeds the data back to the PLC of the lower system for analysis, the upper computer returns the unique serial number analyzed by the PLC;
and S22, after the PLC analyzes the unique serial number, the PLC marks a receiving time stamp on the received data, and the PLC completes data receiving.
2. The method for signal interaction verification between the PLC and the WCS of the upper computer as claimed in claim 1, wherein: in step S11, the data collected by the lower system includes barcode data and size data.
3. The method for signal interaction verification between the PLC and the WCS of the upper computer as claimed in claim 2, wherein: in S12, the unique serial number is bound to the collected barcode data.
4. The method for signal interaction verification between the PLC and the WCS of the upper computer as claimed in claim 1, wherein: in step S11, the data is defined and the size of the data storage area is accumulated, the accumulation range is 1-65535, and when the count exceeds the accumulation range, the process returns to 1 to start accumulation.
5. The method for signal interaction verification between the PLC and the WCS of the upper computer as claimed in claim 1, wherein: in step S12, the bound data packet is sent to the upper computer in a Socket manner.
6. The method for signal interaction verification between the PLC and the WCS of the upper computer as claimed in claim 1, wherein: in step S12, the PLC generates a time stamp and stores the time stamp in the PLC data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535676.7A CN114253211A (en) | 2021-12-15 | 2021-12-15 | Method for mutual verification of PLC and upper computer WCS signals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535676.7A CN114253211A (en) | 2021-12-15 | 2021-12-15 | Method for mutual verification of PLC and upper computer WCS signals |
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| Publication Number | Publication Date |
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| CN114253211A true CN114253211A (en) | 2022-03-29 |
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| CN202111535676.7A Pending CN114253211A (en) | 2021-12-15 | 2021-12-15 | Method for mutual verification of PLC and upper computer WCS signals |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050114461A1 (en) * | 2003-09-30 | 2005-05-26 | Fujitsu Limited | Method of data exchange processing for sending server and receiving server |
| CN1698076A (en) * | 2002-03-21 | 2005-11-16 | 美国联合包裹服务公司 | Telematic programming logic control unit and methods of use |
| CN102546106A (en) * | 2011-12-28 | 2012-07-04 | 南京邮电大学 | Multipath parallel transmission method facing satellite network |
| US20140039654A1 (en) * | 2011-04-05 | 2014-02-06 | Yamaha Corporation | Information providing system, identification information resolution server and mobile terminal device |
| CN106444609A (en) * | 2016-10-27 | 2017-02-22 | 洛阳矿山机械工程设计研究院有限责任公司 | Operational method of PLC real-time operating data recording storing system |
| CN106941430A (en) * | 2017-03-17 | 2017-07-11 | 南京务本信息科技有限责任公司 | A kind of programmable precision net message construction and transmitting element based on FPGA |
| CN108509652A (en) * | 2018-04-17 | 2018-09-07 | 山东大众益康网络科技有限公司 | Data processing system and method |
| CN108900272A (en) * | 2017-08-25 | 2018-11-27 | 杭州德泽机器人科技有限公司 | Sensor data acquisition method, system and packet loss judgment method |
| CN109960212A (en) * | 2017-12-25 | 2019-07-02 | 北京京东尚科信息技术有限公司 | Task sending method and device |
| CN111327687A (en) * | 2020-01-21 | 2020-06-23 | 香港乐蜜有限公司 | Data transmission method and device, electronic equipment and storage medium |
| CN111614741A (en) * | 2020-05-11 | 2020-09-01 | 西北工业大学 | Multi-robot communication method and device based on ROS system |
| CN111670561A (en) * | 2019-01-09 | 2020-09-15 | 深圳市大疆创新科技有限公司 | Information interaction method, system and computer readable medium |
| CN112688993A (en) * | 2020-12-15 | 2021-04-20 | 嘉兴蓝匠仓储系统软件有限公司 | Storage monitoring method and system based on 2D technology |
| CN112953679A (en) * | 2021-02-09 | 2021-06-11 | 西安电子科技大学 | Control method, system and application of data transmission coprocessor in deterministic network |
| CN113645175A (en) * | 2020-04-27 | 2021-11-12 | 北京京东乾石科技有限公司 | Data communication method, device, equipment and computer readable storage medium |
| CN113765976A (en) * | 2020-11-13 | 2021-12-07 | 北京京东乾石科技有限公司 | Communication method and system |
-
2021
- 2021-12-15 CN CN202111535676.7A patent/CN114253211A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1698076A (en) * | 2002-03-21 | 2005-11-16 | 美国联合包裹服务公司 | Telematic programming logic control unit and methods of use |
| US20050114461A1 (en) * | 2003-09-30 | 2005-05-26 | Fujitsu Limited | Method of data exchange processing for sending server and receiving server |
| US20140039654A1 (en) * | 2011-04-05 | 2014-02-06 | Yamaha Corporation | Information providing system, identification information resolution server and mobile terminal device |
| CN102546106A (en) * | 2011-12-28 | 2012-07-04 | 南京邮电大学 | Multipath parallel transmission method facing satellite network |
| CN106444609A (en) * | 2016-10-27 | 2017-02-22 | 洛阳矿山机械工程设计研究院有限责任公司 | Operational method of PLC real-time operating data recording storing system |
| CN106941430A (en) * | 2017-03-17 | 2017-07-11 | 南京务本信息科技有限责任公司 | A kind of programmable precision net message construction and transmitting element based on FPGA |
| CN108900272A (en) * | 2017-08-25 | 2018-11-27 | 杭州德泽机器人科技有限公司 | Sensor data acquisition method, system and packet loss judgment method |
| CN109960212A (en) * | 2017-12-25 | 2019-07-02 | 北京京东尚科信息技术有限公司 | Task sending method and device |
| CN108509652A (en) * | 2018-04-17 | 2018-09-07 | 山东大众益康网络科技有限公司 | Data processing system and method |
| CN111670561A (en) * | 2019-01-09 | 2020-09-15 | 深圳市大疆创新科技有限公司 | Information interaction method, system and computer readable medium |
| CN111327687A (en) * | 2020-01-21 | 2020-06-23 | 香港乐蜜有限公司 | Data transmission method and device, electronic equipment and storage medium |
| CN113645175A (en) * | 2020-04-27 | 2021-11-12 | 北京京东乾石科技有限公司 | Data communication method, device, equipment and computer readable storage medium |
| CN111614741A (en) * | 2020-05-11 | 2020-09-01 | 西北工业大学 | Multi-robot communication method and device based on ROS system |
| CN113765976A (en) * | 2020-11-13 | 2021-12-07 | 北京京东乾石科技有限公司 | Communication method and system |
| CN112688993A (en) * | 2020-12-15 | 2021-04-20 | 嘉兴蓝匠仓储系统软件有限公司 | Storage monitoring method and system based on 2D technology |
| CN112953679A (en) * | 2021-02-09 | 2021-06-11 | 西安电子科技大学 | Control method, system and application of data transmission coprocessor in deterministic network |
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