NI 177x Power and I/O Acessory User Guide
4
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Signal Descriptions
Refer to the
NI 177x Smart Camera User Manual
for detailed signal descriptions.
Table 2.
I/O Connector Signals
Signal Name
Function
IN0
Opto-coupled auxiliary input signal 0.
*
IN1
Opto-coupled auxiliary input signal 1.
*
IN2
Opto-coupled auxiliary input signal 2.
*
IN3
Opto-coupled auxiliary input signal 3.
*
TRIGIN
Opto-isolated trigger input signal.
24 V IN
Supplies power to the accessory and smart camera.
OUT0
Open collector ouput signal 0.
Provides an exposure signal generated using exposure timer 1 or trigger signal bypass.
OUT1
Open collector output signal 1.
Provides an exposure signal, trigger signal bypass, or programmable unmodulated
strobe signal generated using exposure timer 2.
OUT2
Open collector output signal 2.
OUT3
Open collector output signal 3.
LED DRV
Controlled-current output, designed to be connected to a LED lighting device (0 to
500 mA, generated using exposure timer 2).
24 V OUT
Power supply output.
SAFE MODE
Initializes the camera in safe mode.
*
The negative component of this signal is internally connected to the power supply GND.