3 override function – Yaskawa MP920 User's Manual Design User Manual

Page 422

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8.3 Override Function

8-5

8

8.3

Override Function

When an axis is moving via rapid traverse or interpolation feed for example, the speed of move-
ment can be changed by setting a override percentage with respect to the specified speed.

• The procedure used to set override is different in rapid traverse and interpolation opera-

tions.

• An override in the range of 0% to 327.67% can be selected for the Rapid Traverse

Speed. Set Override (OW

††

2C) in the setting parameter for each axis.

• There are three override setting methods: Motion program, ladder logic program, or the

Parameter Setting Window.

• The override is always enabled during initial operation, but this can be changed from a

ladder program, motion program, or parameter settings while an axis is moving.

• A parameter setting error will be generated if the override data setting causes the output

speed to fall outside the acceptable range.

Rapid
Traverse

Jog, Step, Rapid Traverse
(MOV)

By axis:
Override Selection (fixed parameter 17 bit 9)
Override (setting parameter OW††2C)

Interpolation

Linear interpolation,
Circular interpolation,
Skip

By group:
Set according to the group definition. The default
is MW00001. This override is always enabled.
MW00001 (100% = 10000)

Rapid Traverse Speed Output

Reference Speed

× Override = Output speed

(OL

22) (OW

2C)

Reference

Speed

(OL

22)

Override

(OW

2C)

100%

Output speed

Enabled

Disabled

Override Selection

Fixed parameter 17 bit 9

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