Figure EE: Installation of computer interface 14-18kVA
The contact port is a “D”-type male 9 pin connector which, when connected to one of more
advanced computing systems such as AS/400
TM
, NOVELL, etc., allows the computer to
react to a power outage and take action such as saving data and executing an orderly
system shutdown.
Table F: Description of communication signals
N° PIN DESCRIPTION FUNCTION
1 - 4 Not Used Not used
5 Common Reference ground for all the status contacts (but
not the REPO contact.
6
“ABNORMAL”
operation
Operation condition NOT in accordance with
the assigned priority.
7 Low battery The battery is nearly exhausted and in a short
time the UPS will switch OFF and the load will
be transferred automatically to the direct line (if
present).
8 System normal The UPS is normally working
9 Battery
supplying load
The load is supplied by the battery
45
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