使用中心与分支或总线模型以实现最大的灵活性和性能，在大型环境中尤其是如此。
Use hub and spoke or bus models for maximum flexibility and performance, especially in large environments.
现场总线在应用中主要考虑其通信电缆、通信电源故障，“T”型分支或终端电阻故障也会引起总线故障。
The main facts we should consider are the trouble caused by the communication cable, communication power, t type branch or the terminal resistor problem in the application of site bus technology.
第一总线驱动器（11）基于是否检测到传输的符号模式，从星形网络（1）中禁用第一网络分支（112）。
The first bus driver (11) is disabling the first network branch (112) from the star network (1) based on whether the transmitted symbol pattern is detected.
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