Used for communication connection between rectifier and upper computer.
Can complete RS485 control card data transmission and conversion, Communicate with the upper computer.
Equipped with 2 RS485 external communication ports of the same level, Each port can be connected to 32 rectifiers equipped with LY-RS485 control cards at the same time.
And one RS232 port can directly connected with the PLC RS232 port or the programming port through the adapter to convert the RS232 port interface (connected to the PLC with the upper computer or touch screen control).
The state word and control word of the rectifier can be read and written automatically in the corresponding DM area of the PLC. To read or write data directly from PLC RS232, And PLC don’t need any communications, Just set the state and mode.
With dial code, You can confirm your address by dialing, Receiving the control command sent by the host computer and save its own state read by the host computer for one-to-one control.