ABB FENA-01, Руководство по протоколу

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Communication profiles
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Communication profiles
Overview
This chapter describes the communication profiles used in the
communication between the Modbus/TCP client, the FENA-01
module and the drive.
Communication profiles
Communication profiles are ways of conveying control commands
(Control word, Status word, references and actual values)
between the Modbus client and the drive.
The FENA-01 module may be configured to provide either the
ABB Drives Profile or one of two Transparent modes for 16 and 32
bit words respectively. For the ABB Drives Profile, data is
converted by the FENA-01 into the DCU/FBA profile (detailed in
the drive documentation). For the Transparent modes, no data
conversion takes place.