Digital data communication for measurement and control—Fieldbus for use in industrial control systems—Type 8:INTERBUS specification—Part 2:Physical Layer specification and service definition
MOD IEC 61508:2003
全国工业过程测量和控制标准化技术委员会(SAC/TC 124)
GB/Z 29619的本部分规定了对物理层组件的要求。还规定了媒体和网络配置的要求，以保证：
a)〓〖WB〗数据链路层差错校验前的数据完整性；
b)〓〖DW〗物理层设备之间的可互操作性。
现场总线物理层符合GB/T 9387.1的OSI 7层模型中第一层的规定。
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