Principle of work: first the analog signal transmitter or instruments such as voltage and current analog signal, through modulation of semiconductor devices by optical or magnetic ...

Relay is an automatic switch device with isolated function. It is widely used in remote control, telemetry, communication, automatic control, electromechanical integration and powe...

The main body of China's industrial automation market consists of hardware and software manufacturers, systems integrators, product distributors and so on. In the field of software...

The relay module generally reflects the input variables (such as current, voltage, power, frequency, impedance, temperature, pressure, speed and light) of the induction mechanism (...