The MD485 is an intelligent RS-485 interface that permits a PC to address and communicate with one or more dataloggers over a distance of up...
Effective 1 January 2004, the MD9 Multidrop Interface was generally replaced for new multidrop applications by the MD485 Multidrop Interface. However, the MD9 remains available...
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A multidrop network allows many dataloggers to be interrogated via a single cable. Individual multidrop modems are assigned unique addresses.