主控制器和现场控制单元的通信协议设计简单、易于实现。

The communication protocol between master control units and data units is simple and easy to implement.

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由于RS232通信接口协议简单，工业控制系统已广泛应用RS 232口对各种设备进行信号采集和控制。

Since the protocol for RS232 is simple, RS232 has been widely used in various equipment to collect and control the signal data in industrial control system.

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消息系统给中央管理控制台转发警报，如SNMP(简单网络管理协议)陷阱。

Messaging systems forward alerts, such as Simple Network management Protocol (SNMP) traps, to a central management console.

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