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Appendix 5 RS485 communication port definition
Definition of port
:
Connection between the Device’s RS485 port and UPS RS485 port.
device(RJ45) UPS(RJ45)
Description
Pin 1/5
Pin 1/5
485+ “A”
Pin 2/4
Pin 2/4
485 - “B”
Pin7 Pin7
+12Vdc
Pin8 Pin8
GND
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
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------none
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!