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LT3BC | USER MANUAL
5.6.5 Analog regulation use
The electrical power delivered on the LED in continuous mode can be regulated with power mod-
ulation
by means of the connection of the Pin 5 (analog input) to an input voltage
0
100%
V, without using the PNP and NPN input signals. The behavior of the power delivered as a
1
10
function of the corresponding input voltage is depicted in Figure 9.
Notice that for
V
< 1
in
is activated, so that the mentioned regimes require instead the PNP or the NPN input signal.
Figure 9: Percentage LED power as a function of the analog input voltage in continuous mode with
analog regulation. The percentages are referred to the maximum power delivered on the LED for
the continuous mode. The boosted mode is activated for
regulation is simply not activated.
5.7 Status LED
A RGB-LED, placed on the outer surface of the device, indicates the system status with the following
color legend.
Color
Orange
Green
Purple
Red
Red blink
v1.1 - eng
V the analog regulation is not active, while for
Analog input specification
100
80
60
40
20
0
0
2
4
6
Status
Idle (for all modalities: power supply on, but no inputs)
PNP/NPN active (for continuous mode and for strobe mode during the pulse)
Boosted mode active (i.e.
Stop working as long as
Over temperature
Table 13: Color legend of the status RGB-LED.
V
8
10
12
14
16
Vin [V]
V while for
V
> 20
in
V;
V
= 24
V
in
N P N
has not elapsed
min
T
of f
V the boosted mode
> 20
in
18
20
V the analog
V
< 1
in
V or
V)
1
V
> 3
P N P
V
=
in
23
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