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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
95
6
NI 1454
Compact Vision System