6
Annex 1: Safety features
6.1 Activation Safety Features
The drivers for all Doric Lenses light sources come with a number of safety features. These are built into the driver
circuits, as shown in the block diagram (Fig.
Figure 6.1:
Safety feature block diagram
• The
Micro-controller
,
Key Switch
,
Interlock Plug
and
Current Driver
are connected in series. This means that if
any single safety feature is not properly in place, the light source cannot be activated.
• The
Micro-controller
is used to control the light source driver.
(a)
Key Switch
(b)
Interlock Plug
Figure 6.2:
Safety Feature Elements
• The
Key Switch
(Safety feature 1) (Fig.
), located on the left side of the driver, is required to activate any light
source. If removed, no data can be sent from the micro-controller to the
Current Driver
.
• The
Interlock plug
(Safety feature 2) (Fig.
) is used to integrate the driver into an
Interlock Circuit
.
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