
Starting up fieldbus communication and programming the ABB PLC (one-drive system)
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Program relative movement (MC_MoveRelative)
This function block commands a controlled motion of a specified distance relative to
the actual position at the time of the execution.
By clicking the Box tool button, insert a new box. Replace the default text AND with
MC_MoveRelative. Name the block, for example, relative1, Class: VAR, Type: MC_
MoveRelative.
Name the Excecute input move_rel1, Class: VAR_GLOBAL, Type: BOOL.
Define inputs Position, Velocity, Acceleration and Deceleration with numeric values.
Leave Jerk and BufferMode blank.
Input Axis defines the controlled axis. Name it axis1.
Name input Direction either POSITIVE or NEGATIVE.
Tool/Step
Programming actions
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