Справочник Пользователя для Liebert 700VA

Скачать
Страница из 44
Communication
25
Liebert
®
 GXT3
5.3.2 Battery Mode Shutdown
Battery Mode Shutdown permits shutting down the UPS by turning Off the rectifier, inverter and 
static switch so that there is no power to the load when the UPS is On Battery. The auxiliary power 
for the UPS will still be active.
Battery Mode Shutdown can be performed locally or remotely:
• Local Battery Mode shutdown can be performed by shorting Pin3 and Pin4.
• Remote Battery Mode Shutdown can be performed using a switch connected to Pin3 and Pin4 and 
mounted at remote location.
5.3.3 On Battery
On Battery signal is a Normally Open (NO) dry contact. When the UPS is supplying output power 
from the battery this dry contact will be closed. 
5.3.4 Low Battery
Low Battery signal is a Normally Open (NO) dry contact. When the UPS is supplying output power 
from the battery and has reached the Low Battery Warning time selected in the configuration 
program, this dry contact will be closed.
NOTE
Remote Power Off will be performed by NO contact.
A current-limited source for this optocoupler (+12VDC, 50mA) will be available from UPS.
The connection to the Liebert GXT3 for remote connection will be via terminal block connector.
Battery Mode Shutdown wiring must conform to all national, regional and local wiring codes 
and laws.
This signal must last for 1.5 seconds or longer.
A battery shutdown signal will not cause an immediate shutdown. It will start a 2-minute 
shutdown timer. This timer cannot be stopped once triggered. If the mains power returns 
during this countdown, the Liebert GXT3 will still shut down and must remain shut down for 
10 seconds. Whether the UPS turns back On when the power is restored depends on the 
auto-restart setting.
NOTE
The rated values for the dry contacts for the On Battery and Low Battery signals are:
• Rated Voltage: 30V (AC or DC)
• Rated Current: 300mA