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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)
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
RS-485 communication data format
CAUTION!
USB, RS232 and RS485 interface cannot be used at the same time, only one
can be used at any time.
NOTE: RS485 port pin7 is 12Vdc.
KE 4256-3230 Keatec T Series UPS 10-40K 380Vac Users Guide English 20170126
UPS(RJ45)
Pin 1/5
Pin 2/4
Pin7
Pin8
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------none
Page 41
Description
485+ "A"
485 - "B"
+12Vdc
GND
This manual is for qualified personnel only.
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