34
5
Output Dry Contacts
(Figure 6-4: Output Dry Contacts: Pin Definition and Design)
UPS
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
1
4
2
3
DRY F_NO
DRY E_NO
DRY D_NO
DRY C_NO
DRY B_NO
DRY A_NO
COMM_F
COMM_E
COMM_D
COMM_C
COMM_B
COMM_A
+12VS
DRY 6
+12VS
DRY 5
+12VS
DRY 4
+12VS
DRY 3
+12VS
DRY 2
+12VS
DRY 1
Pin 1 2 3 4 5 6 7 8 9
10
11
12
Pin 1 2 3 4 5 6 7 8 9 10 11 12
P1 P2 P3 P4 P5 P6
P1
P2
P3
P4
P5
P6
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
Description
1
Online Mode
1. The UPS is in Normal Mode.
2. Default: Pins 1 and 2.
2
Bypass Mode
1. The UPS is in Bypass Mode.
2. Default: Pins 3 and 4.
3
Battery Mode
1. When the main AC source fails, the UPS supplies battery power to the connected load.
2. Default: Pins 5 and 6.
4
Low battery
1. When the UPS runs in battery mode, battery voltage is lower than setup limit, 220V DC.
2. Default: Pins 7 and 8.
5
Bypass input not OK
1. The bypass voltage, frequency or phase sequence is abnormal.
2. Default: Pins 9 and 10.
6
Battery test fail or battery
missing
1. In the process of battery test, battery voltage is out of setup limit.
2. Default: Pins 11 and 12.
7
Internal communication
failure
Power unit’s internal communication is abnormal.
8
External parallel
communication loss
In parallel mode, parallel communication is abnormal.
9
Output overload warning/
shutdown
The UPS is overloaded or the UPS shuts down to let the bypass supply power to the
equipment loads.
10
EPO activated
The EPO button is pressed to immediately cut off power to the UPS.
11
Load on manual bypass
The Manual Bypass Switch is turned on and the UPS transfers to Manual Bypass Mode.
6. Communication Interfaces
