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PowerPro HP300 Series User Manual
5.4.4 The Communication (UPS-Server)
Dry relay alarm contacts or optional RS232 communication port can be used to inform the user about any
possible alarm like “Battery Low” “Line Failure” “Load On By-pass”. The relay interface AS400 and Windows
NT is an special edition for the systems.
You should use ITF2 and RS330 board for the communicate with the PC. For this connections there must be
a dedicated serial port.
ATTENTION!!!
The communication cables of this option must be shielded and must install away from the
voltage cables.
The RS232 port (at RS330 board and DB9 female) definition :
RS232 Signal Gnd (isolated)
7
RS232 Receive
6
RS232 Transmit 9
The settings for the Microsoft NT server
, IBM AS400
connections will be done by the system’s operator in
accordance to the each user’s needs.
Figure 3.5
ITF3 Board Connection Details
CN3
CN4
Battery Circuit
Breaker Input
Emergency Stop
Line Failure
Relay
Battery Low Relay
By-Pass
Relay