KE 4256-3230 Keatec T Series UPS 10-40K 380Vac Users Guide English 20170126 This manual is for qualified personnel only.
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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
RS-485 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, only one
can be used at any time.
NOTE: RS485 port pin7 is 12Vdc.