Vertiv Liebert ITA2-08KRT208, Руководство пользователя, Страница: 58 / 74

Vertiv | Liebert
®
ITA2
™
User Manual | 52
5.2 Connection Cables for Dry Contact Port
The UPS provides five dry contact ports numbered 1 ~ 12. The pin layout of each dry contact port
is shown in
Figure 57 ; the port description is shown in Table 10 .
Figure 57 Pin layout of dry contact ports
Table 10 Dry contact port descriptions
Port #/Name
Pin
# Pin Name Meaning
1/Output Port 1
1
LOW_BATTERY/ON_BATTER
Y
/ON_BYPASS/UPS_FAULT/M
ain back-feed protection
enabled
Default: LOW_BATTERY, can be set via the LCD Settings
Screen. Change main back-feed via Paramset. When the
system has an alarm, short Pin 1 and Pin 2.
2 GND Ground
2/Output Port 2
3
LOW_BATTERY/ON_BATTER
Y
/ON_BYPASS/UPS_FAULT/
Bypass back-feed protection
enabled
Default: UPS_FAULT, can be set via the LCD Settings Screen.
Change bypass back-feed via Paramset. When the system has
an alarm, short Pin 3 and Pin 4
4 GND Ground
3/Input Port 1
5
Battery Mode shutdown/Any
mode shutdown (Remote
Comms Shutdown)/ Maintain
mode
Default: Maintain Mode; can be set via the LCD Settings
Screen. When Pin 5 and Pin 6 are shorted, the function is valid.
6 GND Ground
4/Input Port 2
7
Battery mode shutdown/Any
mode shutdown (Remote
Comms Shutdown)/ Maintain
mode
Default: Maintain mode, can be set via the LCD Settings
Screen. When Pin 7 and Pin 8 are shorted, the function is valid.
8 GND Ground
5/REPO Input
Port*
9 +5V REPO power supply, 5VDC 100mA
10 REPO Coil-NC NC, EPO activated when Pin 9 and Pin 10 are open.
11 REPO Coil-NO Trigger REPO when Pin 11 and Pin 12 are closed.
12 GND REPO Ground
* The I/O dry contact port capacity: 125VAC, 0.5A; 30VDC, 1A.
WARNING
Risk of electrical shock. Can cause equipment damage, injury and death.
The EPO action of the UPS will shut down the rectifier, inverter and static bypass, but it
does not disconnect input power from the UPS. To electrically isolate the UPS, disconnect
the upstream input MBC when generating the EPO.
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