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Atlas Copco GA 90 VSD

Atlas Copco GA 90 VSD
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3 Elektronikon II regulator
3.1
Elektronikon
®
II regulator
Control panel
General
The Elektronikon regulator controls the compressor:
By matching the compressor output to the air consumption
By stopping the compressor whenever necessary
By restarting the compressor when required
In general, the Elektronikon regulator has following functions:
Controlling the compressor
Protecting the compressor
Monitoring components subject to service
Automatic restart after voltage failure (made inactive)
Controlling the compressor
The regulator matches the air output of the compressor to the air consumption by speed regulation of
the motor. The regulator takes into account a number of programmable settings, e.g:
Net pressure set-point
Indirect stop offset
Direct stop offset
Proportional band
Integration time
Minimum speed
Minimum stop time
Maximum speed limit
Power recovery time (if activated)
The regulator stops the compressor whenever necessay:
Indirect stop: i.e. the compressor runs at minimum speed and the net pressure rises to the indirect stop
level.
See section Programmable settings.
Direct stop: i.e. the compressor runs at a speed between minimum and maximum and the net pressure rises
above the direct stop set-point.
Instruction book
2920 1634 04 25

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