ABB TCC300, User Manual, Page: 117 / 716

Initiates remote Lower in 1 tap increments. Limited by tap Block Lower setpoint and tap
position limit settings.
If an appropriate pulse width setting is not input, then a misoperation of
the tapchanger may occur when a SCADA Manual Raise or Lower is
initiated.
Raise 1 Tap
Initiates remote Raise in 1 tap increments. Limited by tap Block Raise setpoint and tap
position limit settings.
Remote Voltage Reduction
Off
No Voltage Reduction command is sent when Apply is selected.
Step #1
Initiates first step voltage reduction command for addressed control.
Step #2
Initiates second step voltage reduction command for addressed control.
Step #3
Initiates third step voltage reduction command for addressed control.
Block Auto Control via Communication
Block
Blocks automatic operation of the addressed control.
Unblock
Initiates automatic operation of the addressed control.
Remote Control/Miscellaneous
Close
Returns to the TCC600® main screen.
1VAC388793-MB A
Section 3
Operation
TCC300 111
User Manual