ABB AI880A 3BSE039293R1 Analog Input

In positioning mode a certain position is set, which is to be approached by the motor. The current position is derived from the information provided by the internal encoder evaluation. The position deviation is processed in the position controller and is passed on to the speed controller. The integrated positioning control allows jerk-limited or time-optimal positioning relative or absolute to a point of reference. It provides the position controller and - to improve the dynamics - the speed controller also, with the set points. In the case of absolute positioning a set target position is directly approached. In the case of relative positioning a parameterised route is run. The positioning control is parameterised via a target table with 256 entries and additional positioning sets, which are reserved for the communication interfaces (fieldbuses). The setting options for each positioning set (see below) are freely parameterisable. The only thing to do for positioning is then to select an entry and start the action. Optionally, it is possible to adjust the number of the required positioning set via the digital inputs.

The following settings are possible for all positioning sets: 

 Target position 

 Driving speed 

 Final speed 

 Acceleration 

 Deceleration 

 Torque feed forward 

 Remaining distance trigger The positioning sets can be activated via all bus systems or via the parameterisation software Metronix ServoCommander® . The positioning process can be controlled via digital inputs.

Relative positioning 

In the case of relative positioning, the target position is added to the current position. Since no fixed zero is required, referencing is not compulsory. It does, however, make sense in many cases, in order to bring the drive to a defined position. Adding of relative positionings allows for example endless positioning in one direction for a trimming unit or a conveyor belt (incremental dimension).

Application industry

The products can be used in the following industries: power plant, paper making, steel, mining, rubber, water supply, cement, chemical industry, glass, printing

Textile, machinery, plastics, coatings, medicine, hospitals, food, hotels, scientific research institutions

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