Sterling AF-XXX specifications Running Mode, Parameter-Selection Mode, Value Mode

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.

Additive Feeders Chapter 4: Operation 30 of 55