【摘要】 介绍了一种用于互连 DCS中各个 DOS和 Windows NT主机、并且独立于具体 DCS的现场通信系统。它采用了信道冗余模型 ,支持信道的自动和手动切换。通过一个面向数据块的传输层 ,它能够区分需要短时延的实时数据报文和需要高可靠性的命令 /应答报文并采用不同的策略进行传输。更多还原

【Abstract】 It introduces a field communication system that is used to interconnect all DOS and Windows NT hosts in a DCS and at the same time independent of the given DCS.It adopts a channel redundancy module and thus supports automatic and manual channel switching.By using a data block oriented transport layer it can differentiate between real-time packets that need short delay and command/response packets that need high reliability and uses different policies to transmit them.更多还原