WB1926B35(Single Channel Input Voltage Sensor) uses photoelectric isolation technology and digital acquisition and data processing technology to collect and calculate DC voltage signals in real time, and output data in RS485 bus mode. The product's DC voltage input signal, output and auxiliary power supply are completely isolated, small in size, light in weight, and easy to install; Single Channel Input Voltage Sensor can be widely used in various automatic control systems to collect different DC current and DC voltage signals on site, saving The A/D overhead of the system, and provides a flexible and convenient software and hardware interface for the system.