Emerson Liebert Static Transfer Switch - Manual (Page 107)

Liebert STS2 Touch Screen Display
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Liebert SiteScan Configuration
An optional RS-422 port, contained in the Comms Board, can be installed in the static transfer switch
to provide communications with Liebert’s SiteScan. Liebert SiteScan is Liebert’s system monitoring
software that allows you to utilize a PC to monitor the static transfer switch’s status and check
alarms. See 6.5 - Comms Board for more information on this board.
If the Liebert STS2 will be connected to Liebert SiteScan:
• Select YES for the Liebert SiteScan choice in the Comm Options dialog box to activate the card.
Saving Your Communications Configurations
To save you communications configuration settings:
1. When you have completed the Comm Options configurations, ensure you have selected YES for all
the settings that you want activated.
2. Select SAVE to keep the settings.
Whenever you make modifications to the any of the Comm Options, select SAVE to keep the changes.
System Options
Most System Options are configured at the factory. However, you may need to set two of the choices
after the unit is installed: Wye Output Transformer and Remote Source Selection.
• Select SYSTEM OPTIONS from the System Settings Menu.
The System Options dialog box is displayed.
• An option is enabled by selecting YES.
• An option is disabled by selecting NO.
Figure 59 System options
Dual Output Breaker
This selection is set at the factory. The choice is set to YES to enable both output breakers (CB3 and
CB3A) when two are installed in the unit. If only one output breaker (CB3) is installed, the setting is
set to NO.
PDU
This selection is set at the factory. This setting allows the LCD to draw the Mimic accordingly and
display PDU specific metering and alarm information.