The Impact of Protection Circuit Capacitance on RS-485 Signal Quality

The Impact of Protection Circuit Capacitance on RS-485 Signal Quality

The RS-485 bus is widely used in industrial environments, which may experience high levels of electrostatic or surge interference. Engineers typically use gas discharge tubes and TVS diodes to build protection circuits. However, the capacitance of these circuits can be high, and improper application may affect communication. This article will introduce a low-capacitance peripheral circuit. … Read more

Application of Multi-Node RS-485 Bus Protection Circuit in New Energy Field

Application of Multi-Node RS-485 Bus Protection Circuit in New Energy Field

With the popularization of the concept of “carbon neutrality”, industries such as photovoltaics, wind power, and energy storage are once again ushering in a boom. As a commonly used communication interface in these industries, RS-485 often requires additional protection circuits to ensure stable communication. This article will introduce a protection circuit scheme for multi-node environments. … Read more