ABB FPBA-01 Manual descargar pdf (Pagina 80)

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

Program velocity (MC_MoveVelocity)

This Function Block commands a never ending controlled motion at a specific

velocity.

By clicking the Box tool button, insert a new box. Replace the default text AND with

MC_MoveVelocity. Name the block, for example, movevelo1, Class: VAR, Type:

MC_MoveVelocity. Name the Execute input velo1, Class: VAR_GLOBAL, Type:

BOOL.

Define inputs Velocity, Acceleration and Deceleration with numeric values as

shown in the window below, or declare them static values in the main program local

variable list by writing, for example, the following lines to the list.

Acceleration: LREAL:=1000;

Deceleration: LREAL:=1000;

Velocity1: LREAL:=200;

(Note: For editing the variable list, double-clicking PLC_PROG(PRG) in the POUs

field, see page 74.)

Name Direction either POSITIVE or NEGATIVE.

Leave Jerk and BufferMode blank.

Input Axis defines the controlled axis. Name it axis1.

See the next page.

Tool/Step

Programming actions

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ABB FPBA-01 Manual Pagina 80