Chapter 3
LEDs, DIP Switches, and Connectors
©
National Instruments Corporation
3-13
NI CVS-1450 Series User Manual
Figure 3-8.
44-Pin DSUB Connector
Table 3-5 lists pin numbers, signal names, and signal descriptions for the
44-pin connector on the CVS-1450 device and the 37-pin terminal block.
Caution
Do
not
draw more than 500 mA combined from the Viso pins on the 44-pin
DSUB connector. Do
not
draw more than 100 mA from 24 V or 30 V isolated outputs.
Do
not
draw more than 50 mA from 5 V isolated outputs.
Table 3-5.
44-Pin DSUB and 37-Pin Terminal Block Connector Signals
44-Pin
DSUB on
CVS-1450
Device
Pin Number
37-Pin
Terminal
Block
Pin Number
Signal Name
Primary Function
Alternate Function
1
1
TTL Input 0
Pulse generator trigger input
General-purpose input
2
3
C
Common-mode signal of the
CVS-1450 device main
power
—
3
4
TTL Output 0
Watchdog timer output
General-purpose output
4
5
TTL Output 1
Pulse generator output
General-purpose output
1
16
31
15
30
44
NI 1454
Compact Vision System
