6POSITIONING CONTROL

(3)Positioning control

Positioning control method in the control unit "degree" is shown below.

(a)Absolute data method (ABS instructions)

Positioning in a near direction to the specified address is performed based

on the current value. Examples

(1)Positioning is executed in a clockwise direction to travel from the current value of 315.00000°to 0°.

(2)Positioning is executed in a counter clockwise direction to travel from the current value of 0° to 315.00000°.

315.00000

 

0

0

315.00000

 

0

 

 

 

0

315.00000

 

 

315.00000

 

POINTS

(1)The positioning direction of absolute data method is set a clockwise/counter clockwise direction by the setting method of stroke limit range, positioning in the

shortest direction may not be possible.

Example Travel from the current value 0° to 315.00000°must be clockwise positioning

if the lower stroke limit value is set to 0°and the upper limit value is set to 345.00000°.

345.00000

0

 

315.00000

 

Clockwise positioning

(2)Set the positioning address within the range of 0° to 360°.

Use the incremental data method for positioning of one revolution or more.

(b)Incremental data method (INC instructions)

Positioning by the specified travel value to the specified direction. The travel direction is set by the sign of the travel value, as follows:

1)Positive travel value ................Clockwise rotation

2)Negative travel value...............Counter clockwise rotation

POINT

Positioning of 360° or more can be executed in the incremental data method.

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