
Program features 27
External control
When the drive is in external control, control commands are given through:
• the I/O terminals (digital and analog inputs)
• the fieldbus interface (via the embedded fieldbus interface)
• external panel (assistant/basic panel).
Two external control locations, EXT1 and EXT2, are available. You can select the
sources of the start and stop commands separately for each location by setting
parameters
. The operating mode can be selected separately for
each location, which enables quick switching between different operating
modes, for example speed and torque control. Selection between EXT1 and
EXT2 is done via any binary source such as a digital input or fieldbus control
word by a parameter
. You can also select the source of reference for each
operating mode separately.
Events: -
Block diagram: Run enable source for EXT1
The figure below shows the parameters that select the interface for run enable
for external control location
Settings and diagnostics
Parameters
Events: -
…
6
DI1
DI4
Run enable
Select
0
1
Embedded fieldbus
A bit in a parameter
Supervision
Содержание ACS280
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