Chapter 3
Connectors
©
National Instruments Corporation
3-3
NI 177x Smart Camera User Manual
The following table lists pin numbers, signal names, and signal descriptions
for the I/O connector
.
Table 3-2.
I/O Connector Signals
Pin
Number
Signal Name
Function
17-Pin M12
Pigtail Cable
Wire Color
1
RxD_RS232
RS-232 receive.
Brown
2
OUT3
Open collector output signal 3.
Blue
3
OUT1
Open collector output signal 1.
Provides an exposure signal, trigger signal bypass,
or programmable unmodulated strobe signal
generated using exposure timer 2.
White
4
SAFE_MODE
Initializes the camera in safe mode. Safe mode is
enabled when the signal is grounded.
Green
5
IN2+
Opto-coupled auxiliary input signal 2, positive.
*
Pink
6
IN1+
Opto-coupled auxiliary input signal 1, positive.
*
Yellow
7
Opto-isolated trigger input signal, positive.
Black
8
PWR
Supplies power to the camera. Use the NI 177x
Smart Camera only with a 12 W, 24 VDC ±10%,
UL listed, limited power source (LPS) supply.
Gray
9
PWR
Red
10
TxD_RS232
RS-232 transmit.
Violet
11
OUT2
Open collector ouput signal 2.
Gray/Pink
12
OUT0
Open collector ouput signal 0.
Provides an exposure signal generated using
exposure timer 1 or trigger signal bypass.
Red/Blue
13
IN3+
Opto-coupled auxiliary input signal 3, positive.
*
White/Green
14
IN0+
Opto-coupled auxiliary input signal 0, positive.
*
Brown/Green
15
TRIG_IN–
Opto-isolated trigger input signal, negative.
White/Yellow
16
GND
Power supply ground.
Yellow/Brown
17
LED_DRV
Controlled-current output, designed to be
connected to a LED lighting device (0 to 500 mA,
generated using exposure timer 2).
White/Gray
*
The negative component of this signal is internally connected to the power supply GND.
