3 Installation
- 16 -
3.3
Interface Port
The interface port (D-sub 9 pins) is mounted on the back of the UPS and can take out the
following signals. Use as necessary.
CN1 (No-voltage contact signal interface)
Pin
No.
Classification
of signal
Name of
signal
Content
1-4
"
Open
"
at operation
1-6
"
Close
"
at operation
UPS failure
signal
It is the no-voltage contact signal which
operates when the abnormalities occur
inside the UPS, when the abnormalities
occur in the battery, or when the
recommendation
time
of
battery
replacement comes.
2-5
"
Open
"
at operation
2-7
"
Close
"
at operation
Input power
supply
abnormal signal
It is the no-voltage contact signal which is
outputted when the abnormalities, such as
the power failure, occur at an input power
supply. (In the power failure for 1.5
seconds or less, it does not operate.)
3-9
"
Open
"
at operation
3-8
"
Close
"
at operation
Battery voltage
drop signal
It is the no-voltage contact signal which is
outputted approximately 2 minutes before
(at the rated load) the end of battery
discharge during the battery operation.
Use the contact output in the range of the voltage and current in the following graph.
D-sub 9 pins, male
(3 mm screw)
1 2
5
4
3
6
9
8
7
30
60
10
120
0.1
0.2
0.05
0.5
1.0
Contact voltage (V)
200
①
②
①:AC Contact rating
②:DC Contact rating
C
o
nt
ac
t
c
ur
re
nt
(
A
)
30
60
10
120
0.1
0.2
0.05
0.5
1.0
Contact voltage (V)
200
①
②
①:AC Contact rating
②:DC Contact rating
①:AC Contact rating
②:DC Contact rating
C
o
nt
ac
t
c
ur
re
nt
(
A
)
Summary of Contents for M-UPS050AD2B
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