Tripp Lite SUTX20K Owner's Manual page 34

6. Communication Interfaces
5 Output Dry Contacts
P1 P2 P3 P4 P5 P6
Pin 1 2 3 4 5 6 7 8 9 10 11 12
The SmartOnline SUTX UPS provides six sets of programmable output dry contacts to deliver UPS events. There are eighteen
selectable events, six may be selected. The dry contacts are open by default. Please refer to the table below.
No. Event
1 Online Mode
2 Bypass Mode
Battery Mode
3
Low battery
4
5 Bypass input not OK
Battery test fail or battery
6
missing
Internal communication
7
failure
External parallel
8
communication loss
Output overload warning/
9
shutdown
10 EPO activated
11 Load on manual bypass
UPS
(Figure 6-4: Output Dry Contacts: Pin Definition and Design)
Description
1. The UPS is in Normal Mode.
2. Default: Pins 1 and 2.
1. The UPS is in Bypass Mode.
2. Default: Pins 3 and 4.
1. When the main AC source fails, the UPS supplies battery power to the connected load.
2. Default: Pins 5 and 6.
1. When the UPS runs in battery mode, battery voltage is lower than setup limit, 220V DC.
2. Default: Pins 7 and 8.
1. The bypass voltage, frequency or phase sequence is abnormal.
2. Default: Pins 9 and 10.
1. In the process of battery test, battery voltage is out of setup limit.
2. Default: Pins 11 and 12.
Power unit's internal communication is abnormal.
In parallel mode, parallel communication is abnormal.
The UPS is overloaded or the UPS shuts down to let the bypass supply power to the
equipment loads.
The EPO button is pressed to immediately cut off power to the UPS.
The Manual Bypass Switch is turned on and the UPS transfers to Manual Bypass Mode.
34
DRY F_NO
COMM_F
DRY E_NO
COMM_E
DRY D_NO
COMM_D
DRY C_NO
COMM_C
DRY B_NO
COMM_B
DRY A_NO
COMM_A
+12VS
DRY 6
+12VS
DRY 5
+12VS
DRY 4
+12VS
DRY 3
+12VS
DRY 2
+12VS
DRY 1