Decanter program features 21
Decanter control modes
The three basic control modes of Decanter are: Local control, Speed reference control and
Decanter control.
Local control
This mode is selected using the LOC/REM key on the panel. The “Local” is visible on the
first row of the panel display. In local control mode, standard reference is available. The
motor runs directly with the given speed reference when the decanter is not active.
Speed reference control
This mode is active when Local and Decanter controls are not active. Speed reference
selection and Start/Stop commands are defined in parameter groups 20 and 22. Speed
reference control functions the same way as EXT1 command in the standard control
program. Typically, Bowl drive is in speed reference mode.
Decanter control
This mode is activated when local control is not active and the signal is selected in
parameter
Decanter control selection in scroll
. Typically, Scroll drive is in the
Decanter control mode. See parameter group
The following Scroll drive functions can be activated only when the Decanter control is
selected:
•
Differential speed function, see parameters
•
Torque window function, see parameters
•