PSS ECO-220, Руководство пользователя

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3. AC Utility Failure
If AC utility fails, the UPS quickly detects the problem and activates the
inverter. The inverter. The DC/AC inverter changes DC power from the
batteries into AC and provides continuous uninterruptible power to load.
AVR.
INV.
CHA.
N.F. N.F.
INPUT
OUTPUT
Fig. 3 shows how the UPS works when AC Utility Failure
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COMPUTER INTERFACE
The computer interface (DB9 port) on the back of the UPS may be
connected to a host computer. This port allows the computer to monitor the
status of the UPS and control the operation of the UPS. The UPSilon-2000
((option),M2502 Cable), provides complete On-Screen power management
to the UPS and computer systems. Its major functions normally include
some or all the following:
Real-time UPS status on screen.
All history records in memory.
Auto orderly shutdown for computer & UPS.
Multi-server support.
Auto file save even without filename preset.
Scheduled switch on/off daily or weekly.
Pin out information:
PIN# Description I/O
Input
Output
Output
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6 RS232 DTR, must keep in high state
Line fail, normally open, active close
N.C.
Common for PIN 2,5
Battery low, normally open, active close
Two purposes on this pin
(1)Remote shut down, keep this pin high
(+5~+12V) for 3S will turn off the UPS
(2)RS232 Receiver Rx
Input
PIN7 Ground for PIN 6,9
PIN8 N.C.
PIN9 RS232 Transmitter TX Output
1 2 3 4 5
6
7
8 9
D-SUB 9 Pin Female Connector
Signal High Min. 3 Second
Contacts
Normally
Open
Low Battery
Mains Failure
Common
or RS232 RX
RS232 DTR
RS232 TX
Pin Number
UPS Shut Down
1
2
3
4
5
6
7
8
9
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