EV Charging Terminology

ModBus RTU is a serial ModBus communication method, commonly used over RS-485. In EV charging, it may be used for meters, load controllers, gateways or site energy management devices.

ModBus TCP/IP is a ModBus communication method that runs over Ethernet/IP networks. In EV charging, it may be used for integration with meters, energy management systems, building controls or load management systems.