![background image](http://html2.mh-extra.com/html/national-instruments/vision-177-series/vision-177-series_user-manual_4808433039.webp)
Chapter 4
Connecting Lighting and External Devices
©
National Instruments Corporation
4-7
NI 177x Smart Camera User Manual
The Power & I/O Accessory for NI 177x Smart Cameras includes a +24 V
output so that no additional wiring is required.
Connecting to Serial Devices
Use the RxD_RS232 and TxD_RS232 signals on the I/O connector for
serial communication. Connect the RxD_RS232 signal on the
NI 177x Smart Camera to the Tx signal on your serial device. Connect the
TxD_RS232 signal on the NI 177x Smart Camera to the Rx signal on your
serial device. Connect COM on the NI 177x Smart Camera to the ground
of your serial device.
You must install the NI-Serial software on the NI 177x Smart Camera; it is
not installed by default. Refer to the
Serial Hardware and Software Help
for information about installing the NI-Serial software on LabVIEW
Real-Time targets, such as the NI 177x Smart Camera. To open this
document, navigate to
Start»All Programs»National Instruments»
NI-Serial»NI-Serial Help
.