Modbus protocol is a universal language applied to electronic controllers. Through this protocol, controllers can communicate with each other, through networks such as Ethernet, and other devices, which has become an industry standard. With it, control equipment produced by different manufacturers c Read More

Telecom passes signals of voices. If AC power is used, the voice line will have a disturbance that can disrupt the communication; on the other hand, there is no such limitation in DC power. DC power is not restricted to frequency variation or leading power factor. Also, DC power can be stored; thus, Read More