Appendix 5 Rs485 Communication Port Definition - KStar YDC9300-B Operation Manual

Appendix 5 RS485 communication port definition

Definition of port
Connection between the Device's RS485 port and UPS RS485 port.
device(RJ45)
Pin 1/5
Pin 2/4
Pin7
Pin8
Available function of RS485
◆ Monitor UPS power status.
◆ Monitor UPS alarm info.
◆ Monitor UPS running parameters.
◆ Timing off/on setting.
◆Battery environment temperature monitoring.
◆Charging voltage modulation depending on batteries temperature
Communication data format
CAUTION!
USB, RS232 and RS485 interface cannot be used at the same time,
you can only use one of them at one time.
RS485 port pin7 is 12Vdc!
：
UPS(RJ45)
Pin 1/5
Pin 2/4
Pin7
Pin8
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------none
Description
485+ "A"
485 - "B"
+12Vdc
GND
41