摘要
本文介绍RS-485标准接口实际使用中其硬件可靠性设计、网络配置、失效保护、光电隔离及接口电路的电源、接地等应注意的问题。
This paper introduces the practical application of the standard interface of RS - 485, in which such questions as the reliability design of its hardware, network disposition, invalidation protection, photoelectricity insulation , and the power and grounding of the interface circuit must be paid attention to.
