Descripción
ZHC493C 4G RTU is a support 2 Road dry (wet) node detection, 1 Relay (COM, NO) output, 1 Analog quantity (current 4~20mA) detection, 1 channel RS485 pass through, 1 way RS232 transparent transmission. The latest network IO products are compatible with Modbus RTU/TCP protocol. With “remote control” as the core function, it is highly easy to use, and users can easily and quickly integrate it into their own systems. It supports remote and local control. 
