Contents
© National Instruments Corporation ix PC-DIO-24 User Manual
Figures
Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and
Your Hardware................................................................................................... 1-3
Figure 2-1. PC-DIO-24 Parts Locator Diagram ................................................................... 2-2
Figure 2-2. Example Base I/O Address Switch Settings ..................................................... 2-3
Figure 2-3. Jumper Settings–PC6, PC4, PC2, and N/C........................................................ 2-4
Figure 2-4. Interrupt Jumper Setting for IRQ5 (Factory Setting) ........................................ 2-4
Figure 2-5. Digital I/O Connector Pin Assignments ............................................................ 2-6
Figure 3-1. PC-DIO-24 Block Diagram ............................................................................... 3-1
Figure 4-1. Control-Word Formats....................................................................................... 4-4
Figure B-1. PC-DIO-24 I/O Connector................................................................................. B-1
Tables
Table 2-1. PC-DIO-24 Factory-Set Jumper and Switch Settings........................................ 2-1
Table 2-2. Port C Signal Assignments ............................................................................... 2-7
Table 4-1. PC-DIO-24 Address Map................................................................................... 4-3
Table 4-2. Port C Set/Reset Control Words ........................................................................ 4-5
Table 4-3. Mode 0 I/O Configurations................................................................................ 4-6
Table 4-4. Interrupt Enable Signals for All Mode Combinations ....................................... 4-16
Table A-1. Maximum Average Transfer Rates for the PC-DIO-24 ..................................... A-2