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Page 38 T46230811 Rev . J DH P ositioning System Assembly , Non P/T This Document Supports Assembly 46230811 Rev J X Axis Negative Limit 1. In the Table X Axis section, click on the value (-0.125) in the entry field then…

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Page 37
DH Positioning System Assembly, Non P/T T46230811 Rev. J
This Document Supports Assembly 46230811 Rev J
WARNING
When the machine is in the IM Diagnostics function, power is provided to
the machine. Exercise caution when performing the following
procedures to avoid Injury to personnel and equipment.
4. After the IM Diagnostics has completed its initialization, select the
following. Machine Setup>Critical Axis Positions
The following message is displayed.
5. Click on Yes. This zeros all axes.
The Set Up Critical Axis Positions screen is displayed.
6. If the desired axes in the Axes to Display area of the screen are not
selected, refer to the Critical Axes Position section of the IM
Diagnostics document for information on selecting the desired axes.
7. Select the desired axes to be adjusted, then proceed as follows for each
specific limit adjustment.
Page 38
T46230811 Rev. J DH Positioning System Assembly, Non P/T
This Document Supports Assembly 46230811 Rev J
X Axis Negative Limit
1. In the Table X Axis section, click on the value (-0.125) in the entry
field then select Go To.
2. The X axis will move at a set speed to the negative axis position.
3. Depending on the limit actuator position, one of the following occurs.
a. The limit actuator fails to contact the limit switch. In this case,
move the limit switch actuator until the negative limit just
actuates, then secure the actuator. Zero the axis and select Go
To again to verify the correct limit position.
b. A negative hard limit occurs, the Hard Limit indicator is
displayed. In this case, move the actuator block slightly away
from the limit switch then repeat steps 1 through 3.
4. The value in the display field, at the end of this procedure, should be
between -0.105 and -0.145.
CAUTION
Do not move the negative limit actuator excessively. Excessive
movement will disrupt the zero position of the axis and may require axis
encoder adjustment.
X Axis Positive Limit
1. In the Table X Axis section, click on the value (18.125) in the entry
field then select Go To.
2. The X axis will move at a set speed to the positive axis position.
3. Depending on the limit actuator position, one of the following occurs.
a. The limit actuator fails to contact the limit switch. In this case,
move the limit switch actuator until the positive limit just
actuates, then secure the actuator. Zero the axis and select Go
To again to verify the correct limit position.
b. A negative hard limit occurs, the Hard Limit indicator is
displayed. In this case, move the actuator block slightly away
from the limit switch then repeat steps 1 through 3.
4. The value in the display field, at the end of this procedure, should be
between 18.105 and 18.145.
Page 39
DH Positioning System Assembly, Non P/T T46230811 Rev. J
This Document Supports Assembly 46230811 Rev J
Y Axis Negative Limit
1. In the Table Y Axis section, click on the value (-0.125) in the entry
field then select Go To.
2. The Y axis will move at a set speed to the negative axis position.
3. Depending on the limit actuator position, one of the following occurs.
a. The limit actuator fails to contact the limit switch. In this case,
move the limit switch actuator until the negative limit just
actuates, then secure the actuator. Zero the axis and select Go
To again to verify the correct limit position.
b. A negative hard limit occurs, the Hard Limit indicator is
displayed. In this case, move the actuator block slightly away
from the limit switch then repeat steps 1 through 3.
4. The value in the display field, at the end of this procedure, should be
between -0.105 and -0.145.
CAUTION
Do not move the negative limit actuator excessively. Excessive
movement will disrupt the zero position of the axis and may require axis
encoder adjustment.
Y Axis Positive Limit
1. In the Table Y Axis section, click on the value (18.125) in the entry
field then select Go To.
2. The Y axis will move at a set speed to the positive axis position.
3. Depending on the limit actuator position, one of the following occurs.
a. The limit actuator fails to contact the limit switch. In this case,
move the limit switch actuator until the positive limit just
actuates, then secure the actuator. Zero the axis and select Go
To again to verify the correct limit position.
b. A negative hard limit occurs, the Hard Limit indicator is
displayed. In this case, move the actuator block slightly away
from the limit switch then repeat steps 1 through 3.
4. The value in the display field, at the end of this procedure, should be
between 18.105 and 18.145.