Application of RS485 Bus in NearSurface Layer Flux Observation System
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Abstract:
An introduction is made to the application of the RS485 bus in the nearsurface layer flux observation system at Zhangye, as well as the characteristics, working mode, and networking of the RS485 bus, which consists of there subsystems: eddy covariance system, gradient system and wind energy observation system. About oneyear application of the RS485 bus at the Zhangye National Climatological Observatory indicates that it is stable, has good antinoise capability, and can be used in longdistance data transfer.