ABB REO 517 Applications Manual page 297

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Binary signal transfer to remote end
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The "Binary signal transfer to remote end" function uses the same communication func-
tionality and hardware for communication with remote end as used for the line differ-
ential function. These items are described in the chapter "Data communication" in the
application manual. The settings that has to be made for these items are also described
in each chapter respectively.
Status information of the Remote end data communication is available on the local
HMI.
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