產(chǎn)品內(nèi)容介紹
A-B 80190-140-04-R數(shù)字?jǐn)U展卡
設(shè)置選項模塊以傳輸對等數(shù)據(jù)對等通信可以設(shè)置為簡單的對等I/O配置或自定義對等I/O配置。
簡單對等I/O配置對等I/O最常見的用途是獲取邏輯命令和參考從一個驅(qū)動器，并通過以太網(wǎng)將其重復(fù)到一個或多個其他驅(qū)動器。如果縮放為了使驅(qū)動器以不同但相關(guān)的速度運行，使用驅(qū)動器參數(shù)609-[TrmPct RefA Stpt]。EtherNet/IP選項模塊為簡單的對等I/O提供了一種簡化的配置方法。
按照以下步驟設(shè)置簡單對等I/O的主（廣播）端。
重要信息：由于32位REAL（浮點）引用，以下方法僅當(dāng)發(fā)送和接收的驅(qū)動器為PowerFlex 750系列時才有效驅(qū)動器。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(qū)動器適配器。
按照以下步驟設(shè)置簡單對等I/O的從屬（接收器）端。
1.將設(shè)備參數(shù)32-[Fr Peer Timeout]設(shè)置為合適的超時值適用于您的應(yīng)用程序。
該值應(yīng)大于設(shè)備參數(shù)41的乘積-中的[To Peer Period]和設(shè)備參數(shù)42-[To Peer Skip]
傳輸驅(qū)動器。
2.設(shè)置設(shè)備參數(shù)33-[Fr Peer Addr 1]至36-[Fr Peer Adder
4] 發(fā)送對等I/O的驅(qū)動器的IP地址。
3.在每個PowerFlex 750系列從屬驅(qū)動器中，設(shè)置驅(qū)動器參數(shù)308-[方向模式]至“0”（單極），以確保它正確遵循主驅(qū)動器的速度基準(zhǔn)和指令方向。
4.將設(shè)備參數(shù)37-[Fr Peer Enable]設(shè)置為值“1”（Cmd/Ref）。按照以下步驟設(shè)置自定義對等I/O的從屬（接收器）端。1.確定數(shù)據(jù)的數(shù)量（邏輯命令、參考和Datalink參數(shù)），并設(shè)置設(shè)備參數(shù)28-[DLs Fr Peer Cfg]設(shè)置為該值。
這必須與主機(jī)傳輸?shù)膮?shù)數(shù)量相匹配。
2.確定如何分配數(shù)據(jù)鏈路。
16個數(shù)據(jù)鏈路中編號最高的分配給對等I/O。對于例如，如果設(shè)備參數(shù)28-[DLs Fr Peer Cfg]設(shè)置為“3”
數(shù)據(jù)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(shè)備參數(shù)03-[DLs From Net Act]加上設(shè)備參數(shù)28-[DLs Fr Peer Cfg]可以總數(shù)不超過16。
3.將主機(jī)參數(shù)1到16-[DL From Net 01-16]設(shè)置為根據(jù)步驟24中的分配，您想要接收的參數(shù)。重置選項模塊（參見第49頁重置選項模塊），以便更改為設(shè)備參數(shù)39-[DLs to Peer Cfg]生效。
5.將設(shè)備參數(shù)41-[To Peer Period]和42-[Po Peer Skip]設(shè)置為申請所需的。
參數(shù)41控制選項模塊傳輸?shù)念l率數(shù)據(jù)發(fā)生變化時。參數(shù)42控制選項的頻率模塊將在數(shù)據(jù)不變時傳輸數(shù)據(jù)。
6.將設(shè)備參數(shù)43-[To Peer Enable]設(shè)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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