synchronously toggle all currently enabled source
channels on and o
ff
.
4. Light Output Characteristics
AURA Light Engines may incorporate di
ff
erent numbers
and types of solid state light sources. Constituent light
sources may include LEDs and luminescent light pipes.
The number of light sources installed and the bandpass
filters associated with each are shown on the Certificate
of Conformance (Figure 1) included with the shipping
documents e-mailed by Lumencor to the customer. The
certificate of conformance also shows full (100%) power
outputs for each source measured at the terminus of the
liquid light guide (LLG) or optical fiber. Not all sources may
be turned on simultaneously. To prevent exceeding the
capacity of the DC power supply, power consumption is
tracked by the onboard computer. If a set limit (see
Governor
, Figure 5) is exceeded, either by increasing
intensity settings for sources that are already on, or by
turning on additional sources, commands will be rejected.
To clear the error condition, reduce intensities of sources
that are on or turn o
ff
additional sources.
Light source outputs are refined by bandpass filters, see
Figure 7 for a representative spectral output plot for an
AURA Light Engine. The specifications of these bandpass
filters are recorded on the certificate of conformance (Figure
1) as CWL/FWHM where CWL = center wavelength and
FWHM = full width at half-maximum transmission, both
measure in nanometers (nm). Bandpass filters are not user-
exchangeable and changes require return of the light engine to Lumencor’s factory for service (see
Section 7). Since changing bandpass filters will result in source output power changes, a new
certificate of conformance will be provided as part of this service.
AURA Light Engine Manual 57-10011
15
Figure 6
. BNC breakout cable to enable TTL
triggering
TTL Connector Pin Definitions
OUTPUTCO
LOR
Pin
#
OUTPUTC
OLOR
Pin
#
RED
1
BLUE
12
GREEN
2
VIOLET
13
CYAN
3
nIR
14
TEAL
11
YELLOW
15
Gnd
6,7,8,10
V
ihigh
(min) = 2.0V, V
ihigh
(max) = 5.5V
V
ilow
(min) = 0.0V, V
ilow
(max) = 0.8V