Dry Contact - Delta Electronics Amplon Family User Manual

6-3 DRY CONTACT

The sub-D communication port (9-pin female type) is used for powering on/off the UPS by
external control signal. UPS can also transmit its status through this port. Refer to the
following Dry contact table.
State
Normal
Back up
Low Battery
Fault
Bypass
Inverter
NOTE:
means the state may be "Open" or " Close".
Pin Assignment:
THE CAPACITY OF
DRY CONTACT:
AC 250V/8A
DC 12V
BYPASS
Pin
Pin 8, 3
Open
Close
LOW BATTERY
NO
COM NC
Pin 1, 3 Pin 6, 3
Open Open
Close
Close
NO
COM NC
NO
COM NC
INVERTER
Fig. 5-2
22
Pin 5, 3
Close
Open
Imin.> 3.3mA
REMOTE SHUTDOWN
SIGNAL FROM
EXTERNAL
>2 sec
Pin 2, 3
Open
Close
12 V
±3V
0