Chapter 3
LEDs, DIP Switches, and Connectors
NI CVS-1450 Series User Manual
3-10
ni.com
COM1
COM1 is a high-speed RS-232 (DTE) serial port used for connecting to
serial devices, such as PLCs, scanners, and lighting devices.
Note
The Serial Port VIs access COM1 as Port 0.
Figure 3-7 shows the location and pinout of the COM1 DSUB 9-pin
connector. Table 3-4 lists and describes the COM1 signals.
Figure 3-7.
COM1 DSUB 9-Pin Connector
10
C
Common-mode signal of the
CVS-1450 device main power
11
NC
No Connect
12
SD
Serial Data
13
HSync
Horizontal Sync
14
VSync
Vertical Sync
15
SC
Serial Clock
Table 3-3.
VGA Connector Signals (Continued)
Pin
Number
Signal Name
Signal Description
1
9
5
6
NI 1454
Compact Vision System
