Appendix 3 Usb Communication Port Definition - KStar YDC9300-B Operation Manual

Buzzer beeps every 0.5
seconds and LCD
6
display "output overload"
Buzzer long beeps, LCD
7
display "29"fault code
The UPS only works on
8
bypass mode
9 Cannot Black start
Buzzer beeps
continuously and LCD
10
indicates 1,3,5,9,15, etc
fault codes

Appendix 3 USB communication port definition

Definition of port
Connection between PC USB port and UPS USB port.
PC USB port
Pin 1
Pin 2
Pin 3
Pin 4
Available function of USB
Communication data format
USB, RS232 and RS485 interface cannot be used at the same time,
you can only use one of them at one time.
Overload
The UPS output is in short
circuit
The UPS is set to ECO
mode, or the transfer
times to bypass mode are
limited.
Battery switch is not
properly closed:
Battery fuse is not open:
Or Battery low:
Battery quantity set wrong;
Power breaker in the rear
panel not switch ON.
UPS is out of order
：
UPS USB port
Pin 1
Pin 2
Pin 3
Pin 4
◆ Monitor UPS power status.
◆ Monitor UPS alarm info.
◆ Monitor UPS running parameters.
◆ Timing off/on setting.
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------none
CAUTION!
Remove some load
Make sure the load is not in short
circuit, and then restart the UPS.
Set the UPS working mode to UPS
type(non-parallel) or to reset the times
of transferring to bypass or re-start the
UPS
Close the battery switch:
Change the fuse:
Recharge the battery:
Power ON the UPS with AC to set the
battery quantity &quantity;
Switch on the power breaker.
Consult with your local agent for repair
Description
PC : +5V
PC : DPLUS signal
PC :DMINUS signal
Signal ground
39