RS-232 pins description
Pin
description
1 connectionless
2 TXD,transmit data
3 RXD,receive data
4 connectionless
5 GND
6 connectionless
7 connectionless
8 connectionless
9 connectionless
RS-232 Troubleshooting：
If you meet some problems when communicating with PC by RS232 interface, please check
the following items:
Please check the parameters setting
PC and power supply must have the same configuration in the following items: baudrate,
parity bit,data bit and flow control.Please note that power supply has been configured with a
start bit and stop bit(the two values are fixed).
Check the cable
Ensure you have used the correct communication cable.Please pay attention that some
cable may not have a correct internal wiring even it is with a appropriate DB9 interface.
The RS232 communication cable should have been connected to a correct serial port of
the PC(COM1,COM2,ext).
Communication Setup
Please ensure the PC and power supply have the same configuration in the following
items.
baudrate：9600(4800、9600、19200、38400、57600、115200).You could enter the system
menu to set the baudrate.
Data bit：8
Stop bit：1
Parity bit： (none,even,odd)
EVEN 8 data bits have even parity
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