產品內容介紹
A-B 80190-019-51B PC電路板
只有在電纜另一端的設備（通常是開關）也設置為自動檢測波特率/雙工。如果一個設備具有波特率速率/雙工硬編碼，其他設備必須硬編碼到相同的設置。僅當數據鏈接用于寫入或讀取驅動器或其連接的外圍設備。層次結構決定了設備的類型選項模塊交換數據。在主從層次結構中，選項模塊與主設備（如掃描儀或網橋）交換數據。在對等層次結構中，選項模塊與EtherNet/IP選項交換數據其他PowerFlex 750系列驅動器中的模塊。對于主從和對等層次結構，設備交換數據必須在同一IP子網上。請參閱詞匯表中的“IP地址”有關IP子網的息。
設置主從層次啟用數據鏈接以寫入數據控制器輸出圖像（控制器輸出到驅動器）可以有0到16其他32位參數（Datalinks）。
它們是使用主機配置的參數01-[DL From Net 01]到參數16-[DL-From Net16]. 當前使用的數據鏈路數量由連接大小控制在控制器中。
參見第4章中相應的控制器示例
部分有關設置連接大小的詳細信息。使用ControlLogix控制器和通用配置文件時，配置Datalink參數現在如本節所述。
主機參數01-[DL From Net 01]至16-[DL-From Net16]控制驅動器、選項模塊或任何其他連接的參數外圍設備從網絡接收值。PowerFlex 20-HIM-A6或20-HIM-C6S HIM、DriveExplorer軟件或DriveExecutive軟件可以用于通過端口號和名稱參數選擇驅動器或外圍設備。
作為替代方法，可以使用這個公式：From Net Parameter Value=（10000*端口號）+（Destination Parameter number）始終以連續的數字順序使用Datalink參數，從使用第一個參數。例如，使用主機參數01、02和03配置三個數據鏈接以寫入數據。否則，網絡I/O連接將大于必要值，這將不必要地增加控制器響應時間和內存使用情況。
提示使用ControlLogix控制器和RSLogix 5000驅動器附加模塊時配置文件，版本16.00或更高版本，無需配置Datalink參數。它們將在配置RSLogix時分配5000驅動器附加配置文件
Selecting Master-Slave
Auto detection of baud rate and duplex works properly only if the device (usually a switch) on the other end of the cable is also set to automatically detect the baud rate/duplex. If one device has the baud rate/duplex hard-coded, the other device must be hard-coded to the same settings.This procedure is only required if Datalinks are used to write or read data of the drive or its connected peripherals. A hierarchy determines the type of device with which the option module exchanges data. In a Master-Slave hierarchy, the option module exchanges data with a master, such as a scanner or bridge. In a Peer-toPeer hierarchy, the option module exchanges data with EtherNet/IP Option Modules in other PowerFlex 750-Series drives. For both Master-Slave and Peer-to-Peer hierarchies, the devices exchanging data must be on the same IP subnet. See “IP Addresses” in the Glossary for information about IP subnets. Setting a Master-Slave Hierarchy Enabling Datalinks To Write Data The controller output image (controller outputs-to-drive) can have 0 to 16 additional 32-bit parameters (Datalinks). They are configured using Host Parameters 01 - [DL From Net 01] through Parameter 16 - [DL From Net 16]. The number of Datalinks actively used is controlled by the connection size in the controller. See the respective controller example sections in Chapter 4 for more information on setting the connection size.
When using a ControlLogix controller
and the Generic Profile, configure the Datalink parameters now as described in this section. Host Parameters 01 - [DL From Net 01] through 16 - [DL From Net 16] control which parameters in the drive, option module, or any other connected peripheral receive the values from the network. The PowerFlex 20-HIM-A6 or 20-HIM-C6S HIM, DriveExplorer software, or DriveExecutive software can be used to select the drive or peripheral by port number and the parameter by name. As an alternate method, the parameter value can be set manually by number using this formula: From Net Parameter Value = (10000 * port number) + (Destination Parameter Number)Always use the Datalink parameters in consecutive numerical order, starting with the first parameter. For example, use Host Parameters 01, 02, and 03 to configure three Datalinks to write data. Otherwise, the network I/O connection will be larger than necessary, which needlessly increases controller response time and memory usage. TIP When using a ControlLogix controller and an RSLogix 5000 drive Add-on Profile, version 16.00 or later, there is no need to configure Datalink parameters at this time. They will be assigned when configuring the RSLogix 5000 drive Add-on Profile
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