90 Application macros
External control macro
Description and typical application
The external control macro can be used in single-pump systems where the process is
controlled by other devices than the drive. The drive is speed-controlled.
By default, the drive receives a speed reference through analog input AI1. The
reference can alternatively be received through one of the supported fieldbus
adapters.
Default settings
Below is a listing of default parameter values that differ from those listed in chapter
Additional parameter data (page 287).
Parameter
External control
macro default
No. Name
12.01 Ext1/Ext2 sel Ext1
16.16 Menu set active Ext short
16.20 Macro selected Ext ctrl
26.02 Const speed sel1 C.FALSE
77.01 Sleep mode sel Not used
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