User`s guide

®
USER’S GUIDE AUTOMATIC TRANSFER SWITCH
43
Detailed status. To display detailed status:
• In the Web interface, select the Status option of the Automatic
Transfer Switch menu.
• In the control console, select, in order, Device Manager, Automatic
Transfer Switch, and Detailed Status.
.
Item Definition
Status The state of each power source:
• Selected: This source is currently providing power.
• OK: The alternate power source is acceptable The load will switch to
this source if the selected power source fails.
• Not OK: The alternate power source is not acceptable. The load
cannot switch to the alternate power source if the selected source
fails.
• Inhibited: Although the alternate power source is acceptable, the load
cannot switch to that power source because of an Over Current
Condition (short-circuit).
Input
Frequency
The input line frequency for each source in Hz. The control console
reports this information as part of the Input Voltage field.
Input Voltage The line voltage for each source. For three-phase models, the line
voltage of each phase of each source within ± 4 percent per phase.
Output
Current
The output current of the Automatic Transfer Switch. For three-phase
models, the output current for each phase and for neutral, in amps.
Neutral current is the current returning to the source after flowing
through the load.
Source A
Source B
The configurable names of the two power sources. See
Configuration
option
. (In the Web interface, these names are displayed on the
opening Summary page.)