Communication Port Definitions (Rs232, Rs485) - Xtreme Power Conversion 20kVA Model User And Installation Manual

R91 User's Manual
CAUTION!
After changing the parallel system ID, the connection between Muser4000 and equipment might be interrupted. If
this occurs, re-connect in accordance with the instructions described earlier in this manual.
CAUTION!
Parallel cable cannot be connected when setting the parallel parameters
• After setting the UPS's that need to be paralleled, power OFF all the UPS's. Connect all the UPS's according
to "parallel cable installation", and then power ON the UPS's.

Communication Port Definitions (RS232, RS485)

Definition of the Port
Connection between PC RS232 port and UPS RS232 port
PC RS232 port
Pin 2
Pin 3
Pin 5
Connection between the computer RS485 port and UPS RS485 port
PC (DB9 male)
Pin 1
Pin 6
Available function of RS232
• Monitor UPS power status
• Monitor UPS alarm information
• Monitor UPS running parameters
• Timing Off / On setting
Xtreme Power Conversion Corporation
UPS RS232 port
Pin 2
Pin 3
Pin 5
UPS (DB9 female)
Pin 1
Pin 6
Uninterruptible Power Supply
Description
UPS send, PC receive
PC send, UPS receive
Ground
Description
485 "-"
485 "+"
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