发布时间 : 星期一 文章Ethernet,IP入门动手实验手册(Eglish)更新完毕开始阅读e93b9a01bed5b9f3f90f1c27
9. Review the chart below for IP addresses you will use later in the lab.
Note that initially you will have a network consisting of 7 nodes on your table.
Document Conventions Throughout this workbook, we have used the following conventions to help guide you through the lab materials.
This style or symbol: Indicates: Words shown in bold italics (e.g., Any item or button that you must click on, or a menu name from RSLogix 500 or OK) which you must choose an option or command. This will be an
actual name of an item that you see on your screen or in an example. Words shown in Courier text, enclosed in single quotes (e.g., 'Controller1')
An item that you must type in the specified field. This is information that you must supply based on your application (e.g., a variable). Note: When you type the text in the field, remember that you do not need to type the quotes; simply type the words that are contained within them (e.g., Controller1).
? FYI
The text that is displayed as shown is supplemental information regarding the lab materials; it is not information that is required reading in order for you to complete the lab exercises but may provide you with helpful hints that can make it easier for you to use this product. Note: If the mouse button is not specified in the text, you should click on the left mouse button.
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Reviewing the Application Story
This lab has been created mostly around the ControlLogix L63 processor in slot 3 of the chassis in the upper left corner of the demo box. You may assume that most of your plant operations are through the L63 controller which includes the discrete control, analog control, PowerFlex drive, Electronic Operator Interface, and DeviceNet.
Your management decided to add a remote controller (L55) for process interlocking at a later phase. Also, you decided to add a web interface module (EWEB) for providing easy access to the
maintenance department and remotely located system integrators to diagnose, troubleshoot, and predict maintenance issues on devices or machines in the plant.
If this was a real project, prior to this point you should have taken the following steps to install your system:
? All Rockwell Automation modules including EtherNet/IP interfaces are installed and powered up. ? Control and network wiring are complete. Almost 90% of the start-up problems are due to either
wiring or network architecture related. ? Your controllers are connected via an EtherNet/IP network or other networks. You verified the
system status by looking at the LEDs of the controller and EtherNet/IP interfaces. ? You are ready to configure the IP addresses and other network parameters for each EtherNet/IP
devices. There are several ways to configure an IP address - Rockwell BOOTP utility is just one of them. Other tools are RSLinx software, RSLogix 5000 software, DHCP software and more. If you want to learn how to use BOOTP, refer to Appendix-A. To save time, all EtherNet/IP nodes have been pre-configured in this lab.
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Lab 1: Configuring the Computer to Communicate to the PLC In this lab, we will introduce you to the RSLinx communications software. In this lab you will: ? Start RSLinx
? Configure an EtherNet/IP driver
Launching RSLinx Communication Software and Configuring a Driver RSLinx is the communication software that allows a PLC to communicate with your computer. We must first configure how we want our computer to communicate with our PLC.
1. From the Windows start menu select Start > Programs > Rockwell Software > RSLinx >
RSLinx.
If this launches the software in the computer service tray (lower right corner of the computer desktop), click on the RSLinx icon
to maximize the software.
2. Once RSLinx starts, from the toolbar menu select Communications > Configure Drivers as
shown below:
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3. When the Configure Drivers window appears, from the Available Driver Types pull-down menu,
locate and choose the EtherNet/IP Driver and then click the Add New button.
? FYI
In RSLinx you noticed 3 different Ethernet drivers listed: EtherNet/IP Driver, Ethernet devices, and Remote Devices via Linx Gateway. In general, you should use the new EtherNet/IP Driver. It will automatically scan for and find any EtherNet/IP compatible devices on the network. A few older Rockwell EtherNet/IP products cannot be found using this driver. The older drivers work with all Rockwell EtherNet/IP products, but will only scan for IP addresses that you manually tell them to search for. You can have combinations of drivers and/or multiple instances of each type active in RSLinx at the same time if needed. 4. Accept the default name of AB_ETHIP-1 by clicking OK.
5. When the Configure Driver: AB_ETHIP-1 dialog appears, ensure that the Browse Local
Subnet radio button is checked and then click OK.
This is selecting where the EtherNet/IP modules reside. The software locates valid IP addresses.
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