National Instruments NI Vision NI 17xx Manuale Utente
Appendix A
Specifications
© National Instruments Corporation
A-5
Lighting
Direct Drive lighting controller (NI 1742/1744/1762/1764 Only)
Maximum current ........................... 500 mA continuous; 1 A strobed
Minimum current ............................ 50 mA
Light requirements
Maximum voltage drop across
LED+/LED– terminals ............ 30 V, with ±10% input power
LED+/LED– terminals ............ 30 V, with ±10% input power
supply 25 V, with +20%/–15%
input power supply
input power supply
Minimum voltage drop across
LED+/LED– terminals ............ 7 V
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
24 V external strobe
Polarity............................................ Active high
Strobe frequency ............................. Operating frame rate
ON state
Voltage..................................... Unregulated output drawn from
the smart camera power supply
Current ..................................... 16 mA, maximum
OFF state
Voltage..................................... Not driven
Current ..................................... Not applicable
Network
Network interface................................... Ethernet
Ports ....................................................... 2