Advantech PCI-1718 Manual de usuario descargar pdf (Pagina 12)

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.

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Advantech PCI-1718 Manual de usuario Pagina 12