User manual

PICDEM™ MC LV Development Board

FIGURE 4-1: THE CONTROL PANEL VIEW

4.4 THE MAIN WINDOW (CONTROL PANEL)

The control panel allows the user to control motor speed and rotation direction in a way

that is similar to Stand-Alone mode. It also allows users to access the Setup and

Pattern programming displays.

The control panel’s features include:

• Motor and Control Method Display – When the motor control firmware is

appropriately configured (such as the demonstration applications included with

the development kit), the scrolling display indicates the type of motor and control

firmware that has been programmed to the PICDEM MC LV Development Board.

• Speed/Direction Display – Displays the actual speed of the motor as determined

either by sensors, or Back EMF approximation, in both tachometer and digital

(text) formats. Below the tachometer is a direction indicator, showing the direction

of motor revolution relative to the default direction with an arrow and text. Speed

for all applications in Open-Loop mode is shown in RPM.

The full-scale value of the tachometer and the colored zones reflect average safe

and hazardous values for the type of motor selected, based on the rated and max-

imum safe speeds. The full-scale value is determined by the speed limit defined in

the Setup window, plus an additional margin. The upper boundary of the green

range represents the motor’s rated speed. The upper blue boundary is set to

scale the maximum safe speed well into the red area; generally, this boundary is

halfway between the rated and full-scale speeds. The values may be changed in

the Setup window to reflect the actual performance limitations of the motor.

• Fault Display – A scrolling text display indicates the state of the Fault conditions

monitored by the PICDEM MC LV Development Board. Under normal conditions,

it will display a scrolling “No Fault” message and a green indicator. Should a Fault

condition occur, the indicator will change to blinking red; the text will also change

to red and the message will indicate the specific Fault event(s).