Vertiv Liebert GXT5 - Page 50

Port No. Port Name Pin No. Pin Name Description
1 Input 1
1
Remote
Comms
Shutdown 1
User configurable dry contact input that can be set to trigger the events below. The
user can also select the dry contact as either NO or NC. (See System Parameter
Options on page64) When NO, Pins 1 and 2 are shorted to trigger the event. When
NC, Pins 1 and 2 are opened to trigger the event. Options are:
• Disable (default)
• Battery mode shutdown - If the UPS is running on batteries and this
input is triggered, the UPS shuts down
• Any mode
2
Signal
Ground
Signal Ground
2 Input 2
3
Remote
Comms
Shutdown 2
User configurable dry contact input that can be set to trigger the events below. The
user can also select the dry contact as either NO or NC. (See System Parameter
Options on page64) When NO, Pins 3 and 4 are shorted to trigger the event. When
NC, Pins 3 and 4 are opened to trigger the event. Options are:
• Disable (default)
• Battery mode shutdown - If the UPS is running on batteries and this
input is triggered, the UPS shuts down
• Any mode shutdown - If this input is triggered, the UPS shuts down
regardless of current operating mode
4
Signal
Ground
Signal Ground
3
Battery
Detection
5, 6
EBC
Detection
Automatically detects number of external battery cabinets when pins 5 and 6 are
connected to the detection port, see Installing External Battery Cabinets on page32.
REPO REPO Input
7 +5V REPO power supply, 5-Vdc 100-mA
8
REPO Coil -
NC
NC, activated when Pin 7 and Pin 8 is open
NOTE: For details on REPO connection and operation, see Connecting a Remote
Emergency Power Off (REPO) Switch on the facing page.
5 Output 5 9, 10
Remote
Fault Alert 5
User configurable dry contact output that can be set to alert the user to the faults
below. The user can also select the dry contact as either NO or NC. (See System
Parameter Options on page64) When NO, Pins 9 and 10 are shorted when the fault
occurs. When NC, Pins 9 and 10 are opened when the fault occurs. Options are:
• Low battery (default)
• On battery
• On bypass
• UPS fault
6 Output 6 11, 12
Remote
Fault Alert 6
User configurable dry contact output that can be set to alert the user to the faults
below. The user can also select the dry contact as either NO or NC. (See System
Parameter Options on page64) When NO, Pins 11 and 12 are shorted when the fault
occurs. When NC, Pins 11 and 12 are opened when the fault occurs. Options are:
• Low battery
• On battery
• On bypass
• UPS fault (default)
Table 3.4 Dry Contact Connection and Pin-out Descriptions
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Vertiv™ Liebert® GXT5 UPS Installer/User Guide