Analysis of RS-485 Chip Damage and Response Strategies in High Protection SmartMeters
This paper describes the reasons why RS-485 chips in high protection smart meters are prone to damage,and proposes to improve the reliability of existing RS-485 chips by incorporating TVS tubes.Its improved RS-485 chip has the characteristics of anti-interference ability and excellent performance while meeting the requirements.
-circuit designRS-485 chiptransient voltage suppression diodeelectrostatic discharge