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PCI-1718 Series User Manual 4
Onboard FIFO
There are 1 K samples FIFO for A/D (AI) on PCI-1718HDU/HGU. This
is an important feature for faster data transfer and more predictable per-
formance under Windows system.
Onboard Programmable Timer/Counter
PCI-1718HDU/HGU provides a programmable timer counter for generat-
ing pacer trigger for the A/D conversion. The timer/counter chip is
82C54, which includes three 16-bit counters of 10 MHz clock. One
counter is used as an event counter for counting events coming from the
input channel. The other two are cascaded together to make a 32-bit timer
for pacer trigger time base.
BoardID Switch
PCI-1718HDU/HGU has a built-in DIP switch that helps define each
card’s ID when multiple PCI-1718HDU/HGU cards have been installed
on the same PC chassis. The BoardID setting function is very useful when
building a system with multiple PCI-1718 cards. With the correct Boar-
dID settings, you can easily identify and access each card during hard-
ware configuration and software programming.
1.2 Applications
• Transducer and sensor measurements
• Waveform acquisition and analysis
• Process control and monitoring
• Vibration and transient analysis
Note: For detailed specifications of the PCI-
1718HDU/HGU, please refer to Appendix A.