在每个主处理器的下方有一个标准的25脚的“阳型D”连接器（RS-232），速率是9600波特，并可供Triconex公司人员用于诊断分析。RS-232口是充分隔离的（最大500VDC，）以提供对接地故障时的保护。
图2-8 #3008主处理器结构
图中：1、双重电源轨 2、双重电源调节器 3、上游 4、上游 5、时序发生
器 6、双口RAM，IOC处理器 7、容错通讯总线 8、故障探查电路 9、中
断控制器 10、状态指示灯 11、主处理器NS32GX32；浮点处理器NS32381
12、内部系统总线 13、调试公共口 14、容错I/O总线
2. 图2-8说明各带2Bbyte SRAM的#3006型主处理器。#3007型的各具有1Mbyte SRAM。

2.4.5 主处理器规格
主处理器 Motorola MPC860，32位，50MHz
内存 16MB DRAM（无后备电池）
32KB DRAM（有后备电池）
6MB FLASH PROM
时钟 时间和日期
电池备份
标准漂移：±2秒/日
最大漂移：±8.6秒/日
TriBus 25M波特/秒，32位CRC保护，32位DMA，完全隔离
串行口 用于Diagread诊断分析和25脚接头上的RS
-232接口有光学隔离
500VDC隔离
通讯处理器 Motorola MPC860，32位，50MHz
通讯接口
协议 RS-485
波特 2M波特/秒
I/O接口
协议 RS-485
Bad速率 375M波特/秒
功辑功率 15瓦

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