Control locations 55
External control
When the drive is in external control, control commands are given through the
fieldbus interface (via the embedded fieldbus interface or an optional fieldbus adapter
module), the I/O terminals (digital and analog inputs), optional I/O extension modules
or the drive-to-drive link. External references are given through the fieldbus interface,
analog inputs, or drive-to-drive link.
Two external control locations, EXT1 and EXT2, are available. The user can select
control signals (e.g. start and stop) and control modes separately for both external
control locations. Depending on the user selection, either EXT1 or EXT2 is active at a
time. Selection between EXT1/EXT2 is done via digital signal or fieldbus control
word.
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