MCFB_Jog

Description

This function block is defined to jog an axis in the selected direction at a defined speed. The En input (FFLD editor only) must be high. Typically wired to the rail.

The AxisID selects the axis to jog. The JogPlus and JogMinus inputs select the direction the motion will occur in. Only one of these inputs should be enabled at a given time. If both are selected the motion will stop. If other motion is active when the jog is requested that motion will be aborted and the jog will start.

The following figure shows the function block I/O

Figure 8-248: Jog for PLCopen

 

Arguments

Input

En	Description	Enables execution (FFLD only )
	Data type	BOOL
	Range	—
	Unit	N/A
	Default	—
AxisID	Description	ID Name of the Axis
	Data type	DINT
	Range	—
	Unit	N/A
	Default	—
JogPlus	Description	Enables a Jog in the plus direction
	Data type	BOOL
	Range	[0 , 1]
	Unit	N/A
	Default	—
JogMinus	Description	Enables a Jog in the Minus direction
	Data type	BOOL
	Range	[0 , 1]
	Unit	N/A
	Default	—
Speed	Description	Rate at which the axis will move
	Data type	LREAL
	Range	—
	Unit	User unit/sec
	Default	—
Accel Decel	Description	Linear Acc/Dec rate
	Data type	LREAL
	Range	—
	Unit	User unit/sec2
	Default	—

Output

InMotion	Description	Jogging is active when TRUE
	Data type	BOOL
	Unit	N/A

Usage

This function Block is used to command motion in a designated direction at a defined rate. This may be used where continuous motion required as in a conveyor system, or in a setup mode for manually jogging the axis. Motion will start when the JogPlus or JogMinus input is true. It will stop when the input goes false.

Related Functions

MC_MoveVelocity

Example

Structured Text

InMotion := Inst_Jog_PLCopenA vendor -and product- independent worldwide association active in Industrial Control and aiming at standardizing PLC file formats based on XML(Axis1, Switch_1, Switch_2, 600, 10000);

Ladder Diagram

Function Block Diagram

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