![background image](http://html.mh-extra.com/html/national-instruments/ni-17-xx/ni-17-xx_getting-started_709627016.webp)
Getting Started with the NI 17xx Smart Camera
16
ni.com
Spectral Characteristics..........................................Refer to Figure 8
Figure 8.
NI 1722 and NI 1742 Spectral Response Curve
Gamma...................................................................1.0 fixed
Lighting
Direct Drive lighting controller
Maximum current ..........................................500 mA continuous; 1 A strobed
Minimum current ...........................................50 mA
Default turn-on time.......................................156 µs
Light requirements
Maximum voltage drop
across LED+/LED– terminals................30 V, with ±10% input power supply
25 V, with +20%, –15% input power supply
Minimum voltage drop
across LED+/LED– terminals................7 V
Strobe frequency ............................................Operating frame rate
Maximum strobe duty cycle...........................45%
5 V external strobe
Polarity...........................................................Programmable
Strobe frequency ............................................Operating frame rate
V
OH
minimum ................................................3.8 V
V
OL
maximum................................................0.55 V
I
OH
maximum.................................................–12 mA
I
OL
maximum .................................................12 mA
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
400
500
600
700
900
800
1000
Relativ
e Re
s
pon
s
e
Wavelength (nm)