智能模块双端口检测智能模块自检完成并形成最终报告以后，CPU和智能模块会测试双端口的通讯功能。这些测试确定两个模块可以互相发送和接收数据，同时验证通讯协议所需的中断和旗语能力。在双端口测试完成后，通讯信息系统初始化完成。
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Barber Colman Pressure/Flow Module 80HP-10001-002-0-00
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ABB/Asea Servo Control Card YYT 102C #32893
Allen Bradley DataMyte 3055-1000 #23240
Xycom Operator Interface Terminal 3115T, 3-1.5 Amp #360
EG&G Electro-Optics Vision Strobe MVS-2020 #26023
Allen Bradley Starter 702-F0D93, Series K, 3 Pole 702-F
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