
16
Control
3
Programming
Based on Direct Torque Control technology, the ACS850
offers highly advanced features as standard. The ACS850
standard program provides solutions to virtually all AC
drives applications such as mixers, separators, extruders and
conveyors, to name few.
Fast and easy commissioning
The standard ACS850 program offers exibility and
extensive parameter settings. It consists of a simple, ready-
made program that can easily be modied to meet specic
application needs. Commissioning is also simplied with the
help of the start-up assistant that come standard with every
drive.
Pre-programmed protection functions
A wide range of features provides protection for the drive,
motor and the process.
■ Ambient temperature
■ DC overvoltage
■ DC undervoltage
■ Drive temperature
■ Input phase loss
■ Overcurrent
■ Power limits
■ Short circuit
Furthermore the standard application program offers an
integrated emergency stop and supports the functionality of
prevention of unexpected start-up.
Programmable protection functions
■ Adjustable power limits
■ Control signal supervision
■ Critical frequencies lock-out
■ Current and torque limits
■ Earth fault protection
■ External fault
■ Motor phase loss
■ Motor stall protection
■ Motor thermal protection
■ Motor underload protection
■ Panel loss
Program customization
Using DriveSPC allows ne-tuning of the standard program
to t any application. In addition to parameters, ABB
industrial drives offer function block programming, this
makes it possible to replace relays or even a PLC, in some
applications.
Removable memory block
A removable memory block provides easy maintenance by
storing the complete rmware, including all user settings
and motor data. Thus, if the power unit or control unit is
replaced, the drive can be re-commissioned without any
reprogramming, just move the memory block.
■ Stores the drive rmware and parameter settings
■ Fast and easy recommissioning
■ Enables rmware and parameter conguration at work-
shop instead of doing it on-site
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