
IV432E Rev.01 SIEL S.p.A.
Installation and user manual
Date of issue: 2021-05-05
Pag.
42
of
50
+ FR
Appendix 4 RS232 communication port definition
Definition of Male port
Connection between PC RS232 port and UPS RS232 port
PC RS232 port
UPS RS232 port
Pin 2
Pin 2
UPS send, PC receive
Pin 3
Pin 3
PC send, UPS receive
Pin 5
Pin 5
ground
Available function of RS232
!
Monitor UPS power status.
!
Monitor UPS alarm info.
!
Monitor UPS running parameters.
!
Timing off/on setting.
RS-232 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.