SC200 Handbook
Copyright © 2007-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-50H November 2011
Factory-fitted contactors will be characterized at the factory. If an existing contactor is replaced,
characterize the new contactor from the SC200.
In this case, there will be no LVD Characterization Error alarm.
To characterize the new contactor, go to Battery, go to the LVDs tab, select the appropriate
LVD channel and press Details, select the appropriate contactor and press Edit, select
Characterization and press Enter, select Characterize Contactor and press Start.
* LVD Characterization is only available for LVD contactors with auxiliary contacts. If auxiliary
contacts are not fitted then the nominal LVD coil voltage must equal the dc power system nominal
bus voltage. See LVD Specifications on page 107.
LVD Operation
► To allow access to LVD functions from the SC200 keypad
In DCTools/Web go to: Control Processes > LVD.
Select the Allow Front Panel LVD Control check box.
If the check box is cleared LVD functions can only be accessed using DCTools/Web.
► To manually connect or disconnect an LVD control channel
Use the SC200 keypad to go to: Battery > LVDs > LVD 1 - LVD 16 > Details > Manual Control.
Select Connect or Disconnect to connect or disconnect the channel (and all mapped
contactors).
The contactor(s) will remain in the selected state until another state or Auto is selected.
Select Auto to return the LVD control channel to automatic operation.
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