ABB YPI103E YT204001-FB工控DCS系统使用过程

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为了提高性能，LAN1、LAN2和LAN3由专用微处理器核心提供服务。通过这种方式，以太网端口的服务独立于控制器逻辑、I/O扫描和现场代理活动。EFA端口由四个微处理器核心中的两个独立提供服务。在较高的通信速率下，需要这种卓越的服务水平。任何前面板以太网端口都可以用于使用服务请求传输协议（SRTP，一种专有的通用电气协议，主要用于与编程器通信）与PME编程软件通信。EFA端口不能用于此目的。LAN2可以配置为嵌入式PROFINET控制器，如第2.1.6节所述。当配置为PROFINET控制器时，LAN2可以同时用于以太网协议。本主题在PACSystems RX3i PROFINET IO控制器用户手册GFK-2571F或更高版本中进行了讨论。LAN2和LAN3各自支持一对RJ45连接器。通过这种方式，同一局域网上但以不同数据速率运行的网络设备可以连接到适当配置的端口。要在PME编程和配置软件与CPU之间建立以太网通信，您首先需要知道目标IP地址。

For improved performance, the LAN1, LAN2 and LAN3 are serviced by a dedicated microprocessor core. In this way, the servicing of the Ethernet ports is independent of the controller logic, I/O scanning and Field Agent activities. The EFA port is independently serviced by two of the four microprocessor cores. This superior level of servicing is required at the higher communications rates. Any of the front-panel Ethernet ports may be used to communicate with the PME programming software using the Service Request Transport Protocol (SRTP, a proprietary GE protocol, used primarily for communication with the programmer). The EFA port cannot be used for this purpose. LAN2 may be configured as an embedded PROFINET Controller, as discussed in Section 2.1.6. While configured as a PROFINET Controller, LAN2 may concurrently be used for Ethernet protocols. This topic is discussed in the PACSystems RX3i PROFINET IO Controller User Manual, GFK-2571F or later. LAN2 and LAN3 each support a pair of RJ45 connectors. In this way, network devices on the same LAN, but operating at different data rates may be connected to a suitably configured port. To establish Ethernet communications between the PME programming and configuration software and the CPU, you first need to know the target IP address.

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