產(chǎn)品內容介紹
A-B 80190-140-04-R數字擴展卡
設置選項模塊以傳輸對等數據對等通信可以設置為簡(jiǎn)單的對等I/O配置或自定義對等I/O配置。
簡(jiǎn)單對等I/O配置對等I/O最常見(jiàn)的用途是獲取邏輯命令和參考從一個(gè)驅動(dòng)器，并通過(guò)以太網(wǎng)將其重復到一個(gè)或多個(gè)其他驅動(dòng)器。如果縮放為了使驅動(dòng)器以不同但相關(guān)的速度運行，使用驅動(dòng)器參數609-[TrmPct RefA Stpt]。EtherNet/IP選項模塊為簡(jiǎn)單的對等I/O提供了一種簡(jiǎn)化的配置方法。
按照以下步驟設置簡(jiǎn)單對等I/O的主（廣播）端。
重要信息：由于32位REAL（浮點(diǎn)）引用，以下方法僅當發(fā)送和接收的驅動(dòng)器為PowerFlex 750系列時(shí)才有效驅動(dòng)器。對等通信僅適用于20-750-帶有嵌入式EtherNet/IP的ENETR選件模塊或PowerFlex 755驅動(dòng)器適配器。
按照以下步驟設置簡(jiǎn)單對等I/O的從屬（接收器）端。
1.將設備參數32-[Fr Peer Timeout]設置為合適的超時(shí)值適用于您的應用程序。
該值應大于設備參數41的乘積-中的[To Peer Period]和設備參數42-[To Peer Skip]
傳輸驅動(dòng)器。
2.設置設備參數33-[Fr Peer Addr 1]至36-[Fr Peer Adder
4] 發(fā)送對等I/O的驅動(dòng)器的IP地址。
3.在每個(gè)PowerFlex 750系列從屬驅動(dòng)器中，設置驅動(dòng)器參數308-[方向模式]至“0”（單極），以確保它正確遵循主驅動(dòng)器的速度基準和指令方向。
4.將設備參數37-[Fr Peer Enable]設置為值“1”（Cmd/Ref）。按照以下步驟設置自定義對等I/O的從屬（接收器）端。1.確定數據的數量（邏輯命令、參考和Datalink參數），并設置設備參數28-[DLs Fr Peer Cfg]設置為該值。
這必須與主機傳輸的參數數量相匹配。
2.確定如何分配數據鏈路。
16個(gè)數據鏈路中編號最高的分配給對等I/O。對于例如，如果設備參數28-[DLs Fr Peer Cfg]設置為“3”
數據鏈路14、15和16分配給對等I/O。避免重疊在主從和對等I/O之間，確保設備參數03-[DLs From Net Act]加上設備參數28-[DLs Fr Peer Cfg]可以總數不超過(guò)16。
3.將主機參數1到16-[DL From Net 01-16]設置為根據步驟24中的分配，您想要接收的參數。重置選項模塊（參見(jiàn)第49頁(yè)重置選項模塊），以便更改為設備參數39-[DLs to Peer Cfg]生效。
5.將設備參數41-[To Peer Period]和42-[Po Peer Skip]設置為申請所需的。
參數41控制選項模塊傳輸的頻率數據發(fā)生變化時(shí)。參數42控制選項的頻率模塊將在數據不變時(shí)傳輸數據。
6.將設備參數43-[To Peer Enable]設置為值“2”（自定義）。
Setting the Option Module to Transmit Peer-to-Peer Data
Peer-to-peer communication can be set up as a simple peer I/O configuration or a custom peer I/O configuration. Simple Peer I/O Configuration The most common use of peer I/O is to take the Logic Command and Reference from one drive and repeat it over Ethernet to one or more other drives. If scaling of the Reference is needed to enable drives to run at different but related speeds, use drive Parameter 609 - [TrmPct RefA Stpt]. The EtherNet/IP option module provides a simplified configuration method for simple peer I/O. Follow these steps to set up the master (broadcast) side of simple peer I/O. IMPORTANT Because of the 32-bit REAL (floating point) Reference, the following method works only if the drives transmitting and receiving are PowerFlex 750-Series drives. Peer-to-peer communication only works between drives with a 20-750- ENETR option module or PowerFlex 755 drives with the embedded EtherNet/IP adapter.Follow these steps to set up the slave (receiver) side of simple peer I/O. 1. Set Device Parameter 32 - [Fr Peer Timeout] to a suitable timeout value for your application. This value should be greater than the product of Device Parameter 41 - [To Peer Period] and Device Parameter 42 - [To Peer Skip] in the transmitting drive. 2. Set Device Parameters 33 - [Fr Peer Addr 1] through 36 - [Fr Peer Addr 4] to the IP address of the drive transmitting peer I/O. 3. In each PowerFlex 750-Series slave drive, set drive parameter 308 - [Direction Mode] to “0” (Unipolar) to be sure that it properly follows the master drive’s speed reference and commanded direction. 4. Set Device Parameter 37 - [Fr Peer Enable] to a value of “1” (Cmd/Ref )
Follow these steps to set up
the slave (receiver) side of custom peer I/O. 1. Decide how many pieces of data (Logic Command, Reference, and Datalink parameters) you want to receive, and set Device Parameter 28 - [DLs Fr Peer Cfg] to that value. This must match the number of parameters transmitted by the master. 2. Determine how the Datalinks are allocated. The highest numbered of the 16 Datalinks are allocated to peer I/O. For example, if Device Parameter 28 - [DLs Fr Peer Cfg] is set to “3,” Datalinks 14, 15, and 16 are allocated to peer I/O. To avoid an overlap between Master-Slave and peer I/O, make sure that Device Parameter 03 - [DLs From Net Act] plus Device Parameter 28 - [DLs Fr Peer Cfg] does not total more than 16. 3. Set Host Parameters 1 through 16 - [DL From Net 01-16] to the parameters you want to receive, based on the allocation in step 2.4. Reset the option module (see Resetting the Option Module on page 49) so that changes to Device Parameter 39 - [DLs To Peer Cfg] take effect. 5. Set Device Parameters 41 - [To Peer Period] and 42 - [To Peer Skip] as required for your application. Parameter 41 controls how frequently the option module will transmit data when it is changing. Parameter 42 controls how frequently the option module will transmit data when it is not changing. 6. Set Device Parameter 43 - [To Peer Enable] to a value of “2” (Custom).
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