Dimming - opto engineering LTBRZ3-C Series Instruction Manual

LTBRZ3-C series | INSTRUCTIONS MANUAL

10.5 Dimming

Dimming (brightness adjustment) of the light is provided in two ways:
➢ Dimming PIN on the connector (PIN #5).
Signal
Analogue dimming
➢ External potentiometer with 270° turning range. To adjust the potentiometer, use a flat
blade screwdriver 0.4x2.5 [mm].
Gain min.
min.min.min
The table below shows the LED brightness as a function of Analogue dimming voltage in three
.
different gain conditions (Gain 0, minimum and maximum). Please note what follows:
➢ With analogue dimming pin floating (unconnected), the potentiometer does not affect
brightness adjustment, which is fixed to minimum level (30%);
➢ With analogue dimming voltage between 0V and 1V, the potentiometer does not affect
brightness adjustment, which is fixed to minimum level (30%);
➢ With analogue dimming voltage between 1V and 10V, the potentiometer affects brightness
adjustment according to the table below
➢ With analogue dimming voltage between 11V and 24V, the potentiometer affects brightness
adjustment and allows a modulation between minimum level (30%) and maximum level
(100%);
V 1.00 - eng
Adjustment range
1V to 10V
Table 10: Analogue dimming signal operating range.
Gain
0
Maximum range
Potentiometer
Gain Max.
0V to 24V
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