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8. Using the UPS monitoring software and Contact Signal
2. Input of the Backup Stop Signal (BS)
You can stop the UPS by inputting a voltage signal (HIGH) from the outside.
3. Connection to the system
Please make a cable to connect to the system by yourself.
(For an example of the use of the circuits, refer to "7. Example of the use of the Contact Signal circuit" on
page 39.)
4. Contact Signal Connector (female DSUB9P)
Pin assignment
Front view
Screw diameter: inch screw #4-40UNC
5. Contact Signal ratings
● Signal output (BU and BL)
Signal output transistor ratings
Applied voltage: 24 VDC or less
Maximum current: 10mA
● Signal input (BS)
Input voltage: HIGH 5 to 15 VDC, LOW 0.8 VDC or less
Setting of accepting the UPS Stop Signal
• Accept both during Line mode and during Battery mode.
Stopped when a continuous voltage signal of 10 seconds or more is applied.
• Accept only during Battery mode.
Stopped when a continuous voltage signal of 0.01 second (10 ms) or more is applied.
* For information on the setting of the Backup Stop Signal, refer to "10-1 Function that can be set/change
from the UPS" on page 41.
6. Contact Signal circuit inside the UPS
Pin number
Input/output signal name
1
BL
2
3
BS
4
5
GND
6
7
8
BU
9
38
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