NI 工业通信以太网IP帮助手册.pdf
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1、Nl-lndustrial Communications for Ethernet/IP2023-03-01Nl-lndustrial Communications for Ethernet/IPContentsNl-lndustrial Communications for EtherNet/IP.3Activating Your Software.3Ethernet/IP Industrial Communication.5Messaging.6I/O Data.84Advanced.99Error Codes.105/Nl-lndustrial Communications for Et
2、hernet/IPJuly 2012,372650G-01The Nl-lndustrial Communications for EtherNet/IP API allows a LabVIEW system to communicate with devices on an EtherNet/IP network.The API supports Explicit Messaging and I/O Data communications.Activating Your SoftwareHow do I activate my software?Use the Nl Activation
3、Wizard to obtain an activation code for your software.You can launch the Nl Activation Wizard two ways:Launch the product and choose to activate your software from the list of options presented.Launch Nl License Manager by selecting StartAll ProgramsNational lnstrumentsNI License Manager.Click the A
4、ctivate button in the toolbar.Notes If your software is a part of a Volume License Agreement(VLA),contact your VLA administrator for installation and activation instructions.Nl software for Mac OS X and Linux operating systems does not require activation.What is activation?Activation is the process
5、of obtaining an activation code to enable your software to run on your computer.An activation code is an alphanumeric string that verifies the software,version,and computer ID to enable features on your computer.Activation codes are unique and are valid on only one computer.National InstrumentsNl-ln
6、dustrial Communications for Ethernet/IPWhat is the Nl Activation Wizard?The Nl Activation Wizard is a part of Nl License Manager that steps you through the process of enabling software to run on your machine.What information do I need to activate?You need your product serial number,user name,and org
7、anization.The Nl Activation Wizard determines the rest of the information.Certain activation methods may require additional information for delivery.This information is used only to activate your product.Complete disclosure of the National Instruments software licensing information privacy policy is
8、 available at rivacy.If you optionally choose to register your software,your information is protected under the National Instruments privacy policy,available at vacy.How do I find my product serial number?Your serial number uniquely identifies your purchase of Nl software.You can find your serial nu
9、mber on the Certificate of Ownership included in your software kit.If your software kit does not include a Certificate of Ownership,you can find your serial number on the product packing slip or on the shipping label.If you have installed a previous version usingyourserial number,you can find the se
10、rial number by selecting the HelpAbout menu item within the application or by selecting your product within Nl License Manager(StartAll ProgramsNational lnstrumentsNI License Manager).You can also contact your local National Instruments branch.What is a Computer ID?The computer ID contains unique in
11、formation about your computer.National Instruments requires this information to enable your software.You can find your computer ID through the Nl Activation Wizard or by using Nl License Manager,as follows:1.Launch Nl License Manager by selecting StartAU ProgramsNational lnstrumentsNI License Manage
12、r.4 Nl-lndustrial Communications for Ethernet/IP2.Click the Display Computer Information button in the toolbar.For more information about product activation and licensing refer to can I evaluate Nl software?You can install and run most Nl application software in evaluation mode.This mode lets you us
13、e a product with certain limitations,such as reduced functionality or limited execution time.Refer to your product documentation for specific information on the products evaluation mode.Moving Software After ActivationTo transfer your software to another computer,install and activate it on the secon
14、d computer.You are not prohibited from transferring your software from one computer to another and you do not need to contact or inform Nl of the transfer.Because activation codes are unique to each computer,you will need a new activation code.Refer to the How do I activate my software?section of th
15、is topic to learn how to acquire a new activation code and reactivate your software.Deactivating a ProductTo deactivate a product and return the product to the state it was in before you activated it,right-click the product in the Nl License Manager tree and select Deactivate.If the product was in e
16、valuation mode before you activated it,the properties of the evaluation mode may not be restored.Using Windows Guest AccountsNl License Manager does not support Microsoft Windows Guest accounts.You must log in to a non-Guest account to run licensed Nl application software.Ethernet/IP Industrial Comm
17、unicationInstalled With:LabVIEW National InstrumentsNl-lndustrial Communications for Ethernet/IPThe Ethernet/IP Industrial Protocol Support API allows a LabVIEW system to communicate with devices on an EtherNet/IP network.The API supports Explicit Messaging and I/O Data communications.SubpaletteDesc
18、riptionMessagingThe Vis on this palette use explicit messaging co nnections to read from or write to a target.I/O DataThe Vis on this palette allow the LabVIEW syste m to create an I/O assembly and function as an adapter for a remote PLC.This type of communi cation is referred to as Class 1 or I/O s
19、erver com munication.Class 1 communication allows the PLC to establish an implicit I/O data connection with the LabVIEW system and repeatedly exchan ge assembly data at a specific rate.AdvancedUse these Vis to explicitly open or close a sessio n.It is generally not necessary to explicitly man age a
20、session because sessions are opened and closed automatically.Explicitly closing a session will immediately abort any blocking operations which are using that session.MessagingOwning Palette:Ethernet/IP Industrial Communicationlnstalled With:LabVIEW The Vis on this palette use explicit messaging conn
21、ections to read from or write to a target.Palette Obj ectDescriptionEthernetIP Tag ReadAllows you to read from a target that supports M essaging class communications using Logix tag names.Valid targets include PLCs,such as the R ockwell ControlLogix series.The interface supp orts multiple native PLC
22、 data types.Supported numeric types include SINT(U8),INT(U16),DIN T(U32),and REAL(SGL).Supported non-numeri c types include string and Boolean values.The A PI also supports raw data to accommodate unsu6 Nl-lndustrial Communications for Ethernet/IPpported or custom data types.Reading raw data require
23、s familiarity with the data format used fo rtag communications.EthernetIP Tag WriteAllows you to write to a target that supports Mes saging class communications using Logix tag na mes.Valid targets include PLCs,such as the Roc kwell ControlLogix series.The interface support s multiple native PLC dat
24、a types.Supported nu meric types include SINT(U8),INT(U16),DINT(U32),and REAL(SGL).Supported non-numerict ypes include string and Boolean values.The API also supports raw data to accommodate unsup ported or custom data types.Writing raw data r equires familiarity with the data format used for tag co
25、mmunications.Ethernets P SLC500 ReadAllows you to read from a target that supports M essaging class communications using PCCC com munication.Valid targets include PLCs such as t he SLC 500 and MicroLogix series from Rockwell Automation.The interface supports reading fro m integer,float,and bit regis
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