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A-B 80190-140-04-R数字扩展卡
设置选项模块以传输对等数据对等通信可以设置为简单的对等I/O配置或自定义对等I/O配置。
简单对等I/O配置对等I/O最常见的用途是获取逻辑命令和参考从一个驱动器，并通过以太网将其重复到一个或多个其他驱动器。如果缩放为了使驱动器以不同但相关的速度运行，使用驱动器参数609-[TrmPct RefA Stpt]。EtherNet/IP选项模块为简单的对等I/O提供了一种简化的配置方法。
按照以下步骤设置简单对等I/O的主（广播）端。
重要信息：由于32位REAL（浮点）引用，以下方法仅当发送和接收的驱动器为PowerFlex 750系列时才有效驱动器。对等通信仅适用于20-750-带有嵌入式EtherNet/IP的ENETR选件模块或PowerFlex 755驱动器适配器。
按照以下步骤设置简单对等I/O的从属（接收器）端。
1.将设备参数32-[Fr Peer Timeout]设置为合适的超时值适用于您的应用程序。
该值应大于设备参数41的乘积-中的[To Peer Period]和设备参数42-[To Peer Skip]
传输驱动器。
2.设置设备参数33-[Fr Peer Addr 1]至36-[Fr Peer Adder
4] 发送对等I/O的驱动器的IP地址。
3.在每个PowerFlex 750系列从属驱动器中，设置驱动器参数308-[方向模式]至“0”（单极），以确保它正确遵循主驱动器的速度基准和指令方向。
4.将设备参数37-[Fr Peer Enable]设置为值“1”（Cmd/Ref）。按照以下步骤设置自定义对等I/O的从属（接收器）端。1.确定数据的数量（逻辑命令、参考和Datalink参数），并设置设备参数28-[DLs Fr Peer Cfg]设置为该值。
这必须与主机传输的参数数量相匹配。
2.确定如何分配数据链路。
16个数据链路中编号最高的分配给对等I/O。对于例如，如果设备参数28-[DLs Fr Peer Cfg]设置为“3”
数据链路14、15和16分配给对等I/O。避免重叠在主从和对等I/O之间，确保设备参数03-[DLs From Net Act]加上设备参数28-[DLs Fr Peer Cfg]可以总数不超过16。
3.将主机参数1到16-[DL From Net 01-16]设置为根据步骤24中的分配，您想要接收的参数。重置选项模块（参见第49页重置选项模块），以便更改为设备参数39-[DLs to Peer Cfg]生效。
5.将设备参数41-[To Peer Period]和42-[Po Peer Skip]设置为申请所需的。
参数41控制选项模块传输的频率数据发生变化时。参数42控制选项的频率模块将在数据不变时传输数据。
6.将设备参数43-[To Peer Enable]设置为值“2”（自定义）。
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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