Remote Parameter Monitoring & Setup Using Usb / Rs-232 Serial Communication Protocol - SamplexPower PSR-1200-24 Owner's Manual

SECTION 12 |
12.1 USB / RS-232 COMMUNICATION AND OPERATION
This unit uses a standard USB connector and a standard RS-232 COM Port.
The USB interface only supports Windows Platform (Windows Vista, Windows 7, Windows 8, Windows 8.1,
Windows 10), which virtualizes a serial COM Port.
Both USB and RS-232 employ ASCII code to implement the asynchronous serial transmission control.
The byte structure is {START BIT} + {8 BIT DATA} + {STOP BIT}
12.2 RS-232 PORT
This unit uses a standard 9-pin D connector (Male) and three of the RS-232 signal lines:
The connection between this unit and the computer is as follow:
12.3 USB PORT
This unit uses a USB female single connector, and the power is supplied by external devices.
12.4 COMMUNICATION
A Terminal Emulator is required for the remote computer. For demonstration below, Terminal Emulator
Software - " Tera Term" has been used (free download from the Internet).
72 | SAMLEX AMERICA INC.
Remote Parameter Monitoring & Setup Using
USB / RS-232 Serial Communication Protocol
Computer
RDX
TXD
GND
DTR
DSR
RTS
CTS
Power Inverter
RDX
TXD
GND