
36
dimming. Below is an illustration of a leading and trailing edge dimmer:
The dimmer feature can be used for many test applications such as motor control (fan speed
control, etc.) and lighting (LEDs, incandescent, etc.).
Follow the steps below to configure the dimmer function setting:
1.
From the CONFIG menu, browse and select Dimmer and press
Enter
Enter
.
2.
On the following screen, select between LeadingEdge, TrailingEdge, or Off. Then press
Enter
Enter
to confirm.
-
LeadingEdge – Enables the dimmer function with leading edge selected. To
change the phase angle, see the instructions below.
-
TrailingEdge – Enables the dimmer function with trailing edge selected. To
change the phase angle, see the instructions below.
-
Off – Disables the dimmer function.
3.
To exit the menu at any time, press
twice.
Note: If the dimmer function is enabled, a “*” indicator will be shown on the VFD display.
To select and change the phase for dimmer mode:
1.
Press (Shift)
and press “*Dimmer” (“9”).
2.
On the following screen, enter a dimmer angle setting between 0.0° – 180.0°, using
either the rotary knob or numeric keypad. Then press
Enter
Enter
to set.
3.6
List Mode
The power supply has a list mode feature that allows storing programmed sequences into
internal non-volatile memory and recalling and running them per configured parameters. A
0°
90°
180°
270°
360°
0°
90°
135°
315°
360°
Leading Edge Dimming at 90°
Trailing Edge Dimming at 45°
90°
90°
45°
45°
Figure 24 – Leading and Trailing Edge Dimming