Sterling Wheelchair AF-XXX Manuel D’Utilisation

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Additive Feeders 
Chapter 4: Operation 
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Field Control Programming  
Although the drive’s user interface is very versatile, it is also simple to setup and operate.  
With just a few button presses, it allows the user to configure a number of adjustable 
parameters.  The LED display has three basic operating modes: Running Mode, Parameter-
Selection Mode, and Value Mode.  Each of the three modes have specific visual indicators 
that allow the user to immediately determine the current state or mode of the user interface.   
 
Note:  Parameter-Selection Mode and Value Mode can only be entered if the Program 
Enable jumper is in the “On” position. 
 
Running Mode 
Running Mode is the default display of the unit when power is applied.  The drive will spend 
the majority of its time in this mode.  In Running Mode, the display shows the target value in 
the appropriate user defined format of rate, time, or percentage.  The control will 
continuously attempt to drive the motor at the requested target rate.  In this display mode, the 
Up and Down buttons increase or decrease the displayed target value until either the display 
minimum or display maximum limit is reached.  Depending on the alarm configuration, these 
buttons may also serve as an alarm-silence or alarm-reset button. 
 
Parameter-Selection Mode 
Parameter-Selection Mode can be entered by simply pressing and holding the Enter button 
down for three seconds.  Once in Parameter-Selection Mode, the far left of the display will be 
a “P.”  The right side of the display will indicate the currently selected parameter number for 
editing purposes.  Pressing the Up or Down button will increase or decrease the selected 
parameter number on the display.  Although the parameter numbers are in numerical order, 
some numbers are skipped.  These numbers represent reserved parameters that are not yet 
implemented and are not displayed.  Once the desired parameter number is displayed, 
pressing the Enter button to change the display to the Value Mode.   
 
Note:  When in Parameter-Selection Mode, pressing the Enter button with parameter 
0 selected will cause the unit to return to Running Mode.  
 
Value Mode 
Value Mode is used to modify the value of the selected parameter.  When in Value Mode, the 
two dots which form the colon, between digits two and three, will alternately flash (one, then 
the other) to inform the user that a parameter’s value is being edited. Pressing the Up or 
Down button increases or decreases the selected parameter’s value. See the default value 
tables (below) for the list of preprogrammed values.  Value changes take effect immediately.  
Once the desired value is showing in the display window, pressing the Enter button again will 
return to Parameter Selection Mode.  The new value is not saved in permanent memory until 
the Enter button is pressed.  Removing power from the unit while in Value Mode may result 
in the specified new value being lost.