Output Dry Contact Interface Detail - Tripp Lite SmartOnline 3-Phase UPS Systems SU20KX Owner's Manual

11 – Communications
1

11-8 Output Dry Contact Interface Detail

The UPS system has six dry contact output connections. These contacts can be normally open or normally closed.
2
Contact Message
Pin 1-2 Load on inverter
3
Pin 3-4 Load on auto bypass
Pin 5-6 Mains input failure with load on inverter
Pin 7-8 Battery low
4
Pin 9-10 Bypass input abnormal
Pin 11-12 Battery test failure
5
Message
Internal communication failure
External parallel communication failure
Output overload warning/shutdown
6
Power module fault shutdown
Power module warning
EPO activated
7
Load on manual bypass
Battery cabinet over temperature warning/shutdown
Output voltage abnormal
Battery need replace
8
Bypass over temperature warning/shutdown
Battery ground fault
Bypass static switch fault
9
10
11
12
13
14
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(continued)
Default Messages
Description
The UPS system is working normally.
The UPS system is in bypass mode.
Utility power is absent (blackout) or abnormal. The UPS system is in battery backup mode.
The UPS system is in battery backup mode, and battery voltage is lower than 220V.
The bypass input is abnormal (frequency / phase).
The battery voltage is lower than the reference value.
Optional Messages
Description
Communication with one of the internal components is not normal.
In a parallel redundancy installation, the parallel communication is not normal.
The load exceeds the capacity of the UPS system.
The UPS system has shut down due to an internal power module failure.
An internal power module has an error, but the UPS system can still function normally.
The UPS system's output is disabled by the emergency power off (EPO) function.
The UPS system is in manual bypass mode.
The temperature of the external battery cabinet is too high.
The UPS system's output voltage is too high or too low.
According to the data in the "BAT DATE SETTING", the UPS system is overdue for battery
replacement. (See
The temperature of the bypass "static transfer switch" is too high.
The battery has a grounding error.
The bypass "static transfer switch" is abnormal.
Note: If you require optional messages to be enabled, contact Tripp Lite.
48
Section 10-10 for more information.)
11/29/2007 2:03:04 PM 11/29/2007 2:03:04 PM