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
; the port description is shown in
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.
Gr
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Summary of Contents for Liebert ITA2-08KRT208
Page 1: ...Liebert ITA2 8 10kVA 60Hz 208 220V Three Phase UPS User Manual...
Page 40: ...Vertiv Liebert ITA2 User Manual 34 Figure 31 Status page menus...
Page 70: ...Vertiv Liebert ITA2 User Manual 64 NOTES...
Page 71: ...Vertiv Liebert ITA2 User Manual 65...
Page 72: ...Vertiv Liebert ITA2 User Manual 66...
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