
4.7 Communication interface
(Connection of PC’s and signalling device)
The interface of the
is designed for use in addition
to the shut-down options of AEG.
Interface (SUB-D-plug g-pole)
Relais contacts will be
via
by using
transistor
For explanation of pin configuration see
the following table:
pin
1
2
3
5
6
7
8
9
function
unused
output
unused
common 1
output
input
common 2
unused
unused
mode
mains fault (pins 2-4 closed)
common for pins 2 and 5
battery undervoltage (pins 5-4 closed)
UPS off
DC)
common for pin 6
Operational voltage max.
DC
inductionfree.
This signal is needed at pin 6 for approx. 2s to switch off the UPS
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