CONCLUSION
64
The multichannel remote data acquisition and
analysing systems developed have been found to be ideal and
very much useful for data collection and analys~s from
remote areas where power supply is a major constraint I as
encountered in many of the environmental studies. The
remote data acquisition and storage unit developed consumes
very low power so that it is very much suitable for
operation from rechargeable batteries. The 8 bit data
resolution is found to be sufficient for the data related
to different environmental parameters measured using the
system. Use of single chip data acquisition system ADC
0816 has reduced the chip count and contributed to less
power consumption.
Future Expansion
The remote data acquisition and storage system
can easily be incorporated with audio, visual alarms to
indicate any malfunctioning of the system.
In cases where it is required, provision for
automatic control of the parameters can be incorporated.
65
The system can further be expanded incorporating
automatic remote data acquisition facility with PC based
control from the laboratory through wire or wireless link.
The processing of data can be on real-time or after storing
on mass storage devices.
66
REFERENCES
1. Data acquisition handbook, National Semiconductors, 1978.
2. Microprocessor architecture, Programming and Applications,
with the 8085/8080 A., Ramesh S.Goankar.
3. Microprocessor based data acquisition system design,
Krishnakant.
4. Memory components handbook, INTEL, 1983.
5. Microprocessor and peripheral
Peripheral, INTEL, 1987.
6. Practical Electronics, April 1990.
handbook, Volume 2,
7. Personal development system user's guide, INTEL.
8. IBM PC/XT technical reference manual.
9. Industrial
E.Fribance.
instrumentation fundamentals, Austin
10. Acquacultural engineering, Fredrick W.Wheaton.
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