indicates the interface software is timing out on every
message because no responses are received.
When two Ovation LC modules are configured as a redundant pair, LED 8 is used
to indicate that the LC module is the one in control. Details on redundant LC
module operation can be found in Section 5.
Table 4-3. LED Significance
LED Significance
LED 1 Interface is transmitting a Modbus message
LED 2 Interface expects to receive a Modbus message
LED 3 - LED 7 No significance
LED 8 Ovation Link Controller module is in control (when configured as one of a
redundant pair)
11/98 5-1 U3-1050
Westinghouse Proprietary Class 2C
Section 5. Ovation Link Controller
Module Redundancy
5-1. Section Overview
This section describes the redundancy features of the Ovation LC/Modbus
Interface.

表示接口软件在每都超时
消息，因为没有收到响应。
当两个Ovation LC模块配置为冗余对时，使用LED 8
表明LC模块为控制模块。有关多余信用证的详细信息
模块操作见第5节。
表4-3。主导意义
主导意义
LED 1接口正在传输Modbus信息
LED 2接口预期接收Modbus消息
LED 3-LED 7无意义
LED 8 Ovation Link控制器模块处于控制状态（当配置为
冗余对）
1998年11月5-1日U3-1050
西屋专有2C级
第五节。Ovation链路控制器
模块冗余
5-1. 章节概述
本节介绍Ovation LC/Modbus的冗余功能
界面