FANUC Series 30i/300i/300is-MODEL A. Machining Center System. User's manual - page 158

6.SAFETY FUNCTIONS

 OPERATION 

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If the set effective data range is invalid for any of the reasons listed 
below, the input data range check is not performed normally and the 
input data is rejected. 

•

  There is a tool offset number overlap. 

•

  The upper and lower limit values are reversed. 

•

  The values are not effective (e.g., more pairs of offset numbers 

than allowed are set). 

•

  Either of the tool offset numbers is 0. 

 
Also, the input data range check is invalidated in the following cases. 

•

  Both the upper and lower limit values for the tool offset number 

are 0. 

•

  The upper and lower offset limit values are identical. 

 

Explanation 
 - System configuration 

What to set differs for each of the following system configurations: 

M

 

•

  Tool offset memory A 

•

  Tool offset memory B 

•

  Tool offset memory C 

T

 

•

  Without geometry and wear offset 

•

  With geometry and wear offset 

 

 

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M

 

  - What to set with tool offset memory A 

With tool offset memory A, an effective data range is specified using 
the following four items. 

Displayed item 

What to set 

FROM 

RANGE

TO 

Specify a tool offset number range. 

LOW-LIMIT

- 

UP-LIMIT 

Specify a valid tool offset value range in connection 
with a specified tool offset number range. 

 

  - What to set with tool offset memory B 

With tool offset memory A, an effective data range is specified using 
the following six items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a tool offset number range. 

LOW-LIMIT

GEOM 

UP-LIMIT 

Specify a valid tool offset value range for geometry in 
connection with a specified tool offset number range. 

LOW-LIMIT

WEAR 

UP-LIMIT 

Specify a valid tool offset value range for wear in 
connection with a specified tool offset number range. 

 

  - What to set with tool offset memory C 

With tool offset memory C, an effective data range is specified using 
the following ten items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a tool offset number range. 

LOW-LIMIT

LENGTH

UP-LIMIT 

Specify a valid tool offset value range for geometry 
length in connection with a specified tool offset number 
range. 

LOW-LIMIT

GEOM 

RADIUS

UP-LIMIT 

Specify a valid tool offset value range for geometry 
radius in connection with a specified tool offset number 
range. 

LOW-LIMIT

LENGTH

UP-LIMIT 

Specify a valid tool offset value range for wear length in 
connection with a specified tool offset number range. 

LOW-LIMIT

WEAR 

RADIUS

UP-LIMIT 

Specify a valid tool offset value range for wear radius in 
connection with a specified tool offset number range. 

 
In the case of this configuration, all the information needed to set an 
input data range cannot be displayed in a single screen page.    Set the 
information while switching pages using the [SWITCH] soft key.  
The screen provides an indication that lets you know which part of the 
information is currently displayed. 
 

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T

 

  - What to set without geometry/wear offset 

Without geometry/wear offset, an effective data range is specified 
using the following eight items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a tool offset number range. 

LOW-LIMIT

X 

UP-LIMIT 

Specify a valid tool offset value range for the X-axis in 
connection with a specified tool offset number range. 

LOW-LIMIT

Z 

UP-LIMIT 

Specify a valid tool offset value range for the Z-axis in 
connection with a specified tool offset number range. 

LOW-LIMIT

RADIUS 

UP-LIMIT 

Specify a valid tool offset value range for tool-nose radius in 
connection with a specified tool offset number range. 

 

NOTE 

The radius-related items are not displayed if the 
cutter or tool nose radius compensation is not used. 

 

  - What to set with geometry/wear offset 

With geometry/wear offset, an effective data range is specified using 
the following 12 items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a tool offset number range. 

LOW-LIMIT

X 

UP-LIMIT 

Specify a valid tool offset value range for the geometry 
X-axis in connection with a specified tool offset number 
range. 

LOW-LIMIT

Z 

UP-LIMIT 

Specify a valid tool offset value range for the geometry 
Z-axis in connection with a specified tool offset number 
range. 

LOW-LIMIT

GEOM 

RADIUS 

UP-LIMIT 

Specify a valid tool offset value range for geometry 
tool-nose radius in connection with a specified tool offset 
number range. 

LOW-LIMIT

X 

UP-LIMIT 

Specify a valid tool offset value range for the wear X-axis 
in connection with a specified tool offset number range. 

LOW-LIMIT

Z 

UP-LIMIT 

Specify a valid tool offset value range for the wear Z-axis 
in connection with a specified tool offset number range. 

LOW-LIMIT

WEAR 

RADIUS 

UP-LIMIT 

Specify a valid tool offset value range for wear tool-nose 
radius in connection with a specified tool offset number 
range. 

In the case of this system, all the information needed to set an input 
data range cannot be displayed in a single screen page.  Set the 
information while switching pages using the [SWITCH] soft key.  
The screen provides an indication that lets you know which part of the 
information is currently displayed. 

NOTE 

 

The radius-related items are not displayed if the 
tool nose radius compensation option is not 
displayed. 

 

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  - Example of setting an input data range 

For example, suppose that the following values are set with offset 
memory A. 

FROM : TO  LOW-LIMIT : UP-LIMIT 
     1 : 20         0.000 : 100.000 

 
In this case, the tool offset input screen accepts only offset values 
from 0.000 to 100.000 for offset numbers 1 to 20. 
If you attempt to input any other value, the warning message "DATA 
IS OUT OF RANGE" is displayed. 
 

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 OPERATION 

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6.5.3.3 

Workpiece origin offset range setting screen 

 
This screen displays the setting status of workpiece origin offset and 
external workpiece origin offset effective data ranges and lets you 
change their settings.  (Hereinafter, the screen is referred to as the 
workpiece origin offset range setting screen.) 
 
Up to six pairs of values can be specified to identify workpiece 
coordinate ranges for the workpiece origin offset, and an effective 
offset value range can be defined for each of the axes of these six pairs. 
As for the external workpiece origin offset, an effective offset value 
range can be specified for each axis. 
 

Displaying and setting the workpiece origin offset range setting screen 

Procedure 

1 Press 

the 

 function key. 

2  Press the continuous menu key 

 at the right edge of the 

screen several times until the [GUARD] soft key is displayed. 

3  Click the [GUARD] soft key.  The setting screen that was 

displayed last with relation to any operation confirmation 
function is displayed (the operation confirmation function setting 
screen is the first such screen that appears after the system is 
restarted). 

4 

If any screen other than the workpiece origin offset range setting 
screen is displayed, click the [WORK] soft key.    The workpiece 
origin offset range setting screen is displayed. 

 

Fig. 6.5.3.3 (a) Workpiece origin offset range setting screen 

 

B-63944EN/03

 OPERATION 

6.SAFETY FUNCTIONS

 

 

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5 

Move the cursor to the item you want to set, by using the 

 

and 

 keys, 

, 

, 

, and 

 keys, or the 

[SWITCH] soft key. 

6  Press the MDI key, enter necessary data, and then click the 

[INPUT] soft key. 

 
If the set effective data range is invalid for any of the reasons listed 
below, the input data range check is not performed normally and the 
input data is rejected. 

•

 

There is a workpiece coordinate overlap. 

•

 

The upper and lower limit values are reversed. 

•

  The values are not effective (e.g., an invalid workpiece 

coordinate system is set). 

•

 

The upper limit value is set for the workpiece coordinate system 
when 0 is set for the lower limit value. 

 
Also, the input data range check is invalidated in the following cases. 

•

  Both the upper and lower limit values for the workpiece 

coordinate system are 0. 

•

 

The upper and lower limit values for each offset are identical. 

 

Explanation 
  - What to set for the workpiece origin offset 

For the workpiece origin offset, an effective data range is specified 
using the following four items. 

Displayed item 

What to set 

FROM 

RANGE

TO 

Specify a workpiece coordinate system range. 

LOW-LIMIT

AXIS 
NAME  UP-LIMIT 

Specify a valid offset value range in connection with a 
specified workpiece coordinate system range.   

 

  - What to set for the external workpiece origin offset 

For the external workpiece origin offset, an effective data range is 
specified using the following two items. 

Displayed item 

What to set 

LOW-LIMIT

AXIS 
NAME  UP-LIMIT 

Specify a valid external workpiece origin offset value range 
on each axis. 

 

6.SAFETY FUNCTIONS

 OPERATION 

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6.5.3.4 

Y-axis tool offset range setting screen 

 

T

 

In the case of a lathe system, this screen displays the setting status of 
Y-axis tool offset effective data ranges and lets you change their 
settings.  (Hereinafter, the screen is referred to as the Y-axis tool 
offset range setting screen.) 
Up to four pairs of values can be specified to identify Y-axis tool 
offset number ranges, and an effective offset value range can be 
defined for each of these four pairs. 
 

Displaying and setting the Y-axis tool offset range setting screen 

Procedure 

1 Press 

the 

 function key. 

2  Press the continuous menu key 

 at the right edge of the 

screen several times until the [GUARD] soft key is displayed. 

3  Click the [GUARD] soft key.  The setting screen that was 

displayed last with relation to any operation confirmation 
function is displayed (the operation confirmation function setting 
screen is the first such screen that appears after the system is 
restarted). 

4  If any screen other than the Y-axis tool offset range setting 

screen is displayed, click the [OFST.2] soft key.  The Y-axis 
tool offset range setting screen is displayed.    What is displayed 
in this screen differs depending on such factors as whether tool 
geometry/wear offsets are present. 

 

Fig. 6.5.3.4 (a) Y-axis tool offset range setting screen 

 

B-63944EN/03

 OPERATION 

6.SAFETY FUNCTIONS

 

 

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5 

Move the cursor to the item you want to set, by using the 

 

and 

 keys, 

, 

, 

, and 

 keys, or the 

[SWITCH] soft key. 

6  Press the MDI key, enter necessary data, and then click the 

[INPUT] soft key. 

 
If the set effective data range is invalid for any of the reasons listed 
below, the input data range check is not performed normally and the 
input data is rejected. 

•

  There is a tool offset number overlap. 

•

  The upper and lower limit values are reversed. 

•

  The values are not effective (e.g., more pairs of offset numbers 

than allowed are set). 

•

  Either of the tool offset numbers is 0. 

 
Also, the input data range check is invalidated in the following cases. 

•

  Both the upper and lower limit values for the tool offset number 

are 0. 

•

  The upper and lower offset limit values are identical. 

 

Explanation 
  - What to set without geometry/wear offsets 

Without geometry/wear offsets, an effective data range is specified 
using the following four items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a Y-axis tool offset number range. 

LOW-LIMIT

- 

UP-LIMIT 

Specify a valid tool offset value range in connection 
with a specified Y-axis tool offset number range. 

 

  - What to set with geometry/wear offsets 

With geometry/wear offsets, an effective data range is specified using 
the following six items. 

Displayed item 

What to set 

FROM 

RANGE 

TO 

Specify a Y-axis tool offset number range. 

LOW-LIMIT

GEOM 

UP-LIMIT 

Specify a valid tool offset value range for geometry in 
connection with a specified Y-axis tool offset number 
range. 

LOW-LIMIT

WEAR 

UP-LIMIT 

Specify a valid tool offset value range for wear in 
connection with a specified Y-axis tool offset number 
range.