ABB FPBA-01 Handbuch PDF herunterladen (Seite 72)

Starting up fieldbus communication and programming the ABB PLC (one-drive system)

Add function block MC_ReadStatus

This function block returns in detail the status of the axis with respect to the motion

currently in progress.

Name the block mc_reads. Press Enter. Class: VAR; Type: MC_ReadStatus. The

block must be enabled all the time -> name input Enable TRUE. Name input Axis

axis1 which is already configured.

Add function block MC_ReadActualPosition

This function block returns the actual position.

Name the block mc_readpos. Press Enter. Class: VAR; Type:

MC_ReadActualPosition. The block must be enabled all the time -> name input

Enable TRUE. Add global variable actual_pos_axis1 for later use in visualization,

Class: VAR_GLOBAL, Type: LREAL.

Add function block MC_ReadAxisError

This function block describes general axis errors not related to the function blocks.

Class: VAR, Type: MC_ReadAxisError.

Tool/Step

Programming the PLC main program

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ABB FPBA-01 Handbuch Seite 72