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Fieldbus control
The drive can be connected to several different automation systems through its
fieldbus interfaces. See chapter Fieldbus control through the embedded fieldbus
interface (EFB) (page 605) and Fieldbus control through a fieldbus adapter (page 627).
Settings and diagnostics
Parameter groups: 50 Fieldbus adapter (FBA) (page 379), 51 FBA A settings (page 388),
52 FBA A data in (page 390), 53 FBA A data out (page 391), 54 FBA B settings (page 392),
55 FBA B data in (page 394), 56 FBA B data out (page 395) and 58 Embedded
fieldbus (page 396).
Events: 7510 FBA A communication (page 567), 7520 FBA B communication (page 567),
A7C1 FBA A communication (page 583), A7C2 FBA B communication (page 583) and
A7CE EFB comm loss (page 584).
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Master/follower functionality
General
The master/follower functionality can be used to link several drives together so
that the load can be evenly distributed between the drives. This is ideal in
applications where the motors are coupled to each other via gearing, chain, belt,
etc.
The external control signals are typically connected to one drive only which acts
as the master. The master controls up to 10 followers by sending broadcast
messages over an electrical cable or fiber optic link. The master can read feedback
signals from up to 3 selected followers.
66 Program features
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