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5. Control and communication
UPS includes several communication ports: RS232,EPO,SNMP card, USB, and dry contact card.
NOTICE: Only one of SNMP card, and dry contact card can be used at the same time. Only
one of RS232 and USB is available at the same time.
5.1 SNMP Card
SNMP card is used to monitor the UPS via TCP/IP protocol, users can check the UPS status and
data online. Please refer to the user manual of SNMP card to get more detailed information.
5.2 Dry Contact
There are two types of dry contact for option: DB9, phoenix terminal.
Maximum output current for dry contact is 1A. The function of dry contact is listed as below:
DB9 port
phoenix terminal
Function
DB9 Phoenix Description
UPS fault
1
9
Open from common connection: UPS is abnormal.
Closed: UPS is normal.
General
2
7
Open from common connection: UPS is warning
Closed: UPS is normal.
GND
3
2
Internal GND, used to connect external power supply 12-24Vdc
Remoted
shutdown
4
4
Input port. Used with external power supply. If connected to
power supply, UPS transfer to bypass. UPS shutdown if bypass is
abnormal.
Common
connection
5
1
Common connection of output signal. Connected to power
supply for input signal.
Bypass mode 6
8
Closed to common connection: UPS is working in bypass mode.
Open: UPS is not working in bypass mode.
Battery low
7
6
Open from common connection: battery low alarm
Closed: battery capacity is normal or not in battery mode
Normal
mode
8
5
Closed from common connection: UPS is working in normal
mode.
Utility failure 9
3
Open form common connection: utility input fails.
Содержание Dragon Power 2
Страница 1: ...USER MANUAL ...
