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ID : 4648

Changing the Software Motion Limits

To avoid damages that could be caused by collision or contact with mechanical stoppers, configure the motion space by setting the software motion limits on individual axes.

By default, the software motion limits are configured slightly inside the mechanical ends.

If the robot arm reaches a software motion limit during manual or automatic operation, the robot displays an error message and comes to a stop. If the robot is in automatic operation, it also cuts off the power to the motors.

This function becomes valid after the robot arm enters the motion space configured by the software motion limits.

Software motion limits are not functions in accordance with safety standards.

Factory Defaults of Software Motion Limits

HM; Standard Type

Robot type Standard type
HM-4***1 HM-4***A HM-4***2
HM-4***2-UL
HM-4***3
HM-4***3-UL
HM-4***4
HM-4***4-UL
3rd-axis (Z-axis) stroke 100mm 150mm 200mm 300mm 400mm
1st axis Positive direction 165°
Negative direction -165°
2nd axis Positive direction 147° (HM-4*60*E: 143°)
Negative direction -147° (HM-4*60*E: -143°)
3rd axis Positive direction 350mm 350mm 350mm 350mm 350mm
Negative direction 250mm 200mm 150mm 50mm -50mm
4th axis Positive direction 360°
Negative direction -360°

HM-W; Dust- & Splash-proof Type

Robot type Dust- & splash-proof type
HM-4***2-W
HM-4***2-W-UL
HM-4***3-W
HM-4***3-W-UL
HM-4***4-W
HM-4***4-W-UL

3rd-axis (Z-axis) stroke

200 mm 300 mm 400 mm
1st axis Positive direction 165°
Negative direction -165°
2nd axis Positive direction 147° (HM-4*60*E-W: 140°, HM-4*70*E-W: 146°)
Negative direction -147° (HM-4*60*E-W: -140°, HM-4*70*E-W: -146°)
3rd axis Positive direction 310 mm 310 mm 310 mm
Negative direction 110 mm 10 mm -90 mm
4th axis Positive direction 360°
Negative direction -360°

HM-C5 Clean room type

Robot type Clean room type
HM-4A852-C5
HM-4AA02-C5
HM-4A853-C5
HM-4AA03-C5

3rd-axis (Z-axis) stroke

200 mm 300 mm
1st axis Positive direction 165°
Negative direction -165°
2nd axis Positive direction 147°
Negative direction -147°
3rd axis Positive direction 310 mm 310 mm
Negative direction 110 mm 10 mm
4th axis Positive direction 360°
Negative direction -360°

HMS-4*70*; Overhead-mount Type (Overall arm length 700 mm)

Robot type Standard type Dust- & splash-proof type
HMS-4*702
HMS-4*702-UL
HMS-4*703
HMS-4*703-UL
HMS-4*704
HMS-4*704-UL
HMS-4*702-W
HMS-4*702-W-UL
HMS-4*703-W
HMS-4*703-W-UL
HMS-4*704-W
HMS-4*704-W-UL
3rd-axis (Z-axis) stroke 200 mm 300 mm 400 mm 200 mm 300 mm 400 mm
1st axis Positive direction 165° 165°
Negative direction -165° -165°
2nd axis Positive direction 145° 142°
Negative direction -145° -142°
3rd axis Positive direction -436 mm -456 mm -456 mm -496 mm -496 mm -496 mm
Negative direction -656 mm -756 mm -856 mm -696 mm -796 mm -896 mm
4th axis Positive direction 360°
Negative direction -360°

HMS-4*85*; Overhead-mount Type (Overall arm length 850 mm)

Robot type Standard type Dust- & splash-proof type
HMS-4*852
HMS-4*852-UL
HMS-4*853
HMS-4*853-UL
HMS-4*854
HMS-4*854-UL
HMS-4*852-W
HMS-4*852-W-UL
HMS-4*853-W
HMS-4*853-W-UL
HMS-4*854-W
HMS-4*854-W-UL
3rd-axis (Z-axis) stroke 200 mm 300 mm 400 mm 200 mm 300 mm 400 mm
1st axis Positive direction 165° 165°
Negative direction -165° -165°
2nd axis Positive direction 142° 142°
Negative direction -142° -142°
3rd axis Positive direction -436 mm -456 mm -456 mm -496 mm -496 mm -496 mm
Negative direction -656 mm -756 mm -856 mm -696 mm -796 mm -896 mm
4th axis Positive direction 360°
Negative direction -360°

Precautions When Changing the Software Motion Limits

Confirm the robot motion range in actual working environment. Set the software motion limits using the correct unit of measurement.

If the robot arm lies in the position overriding the software motion limits, e.g., immediately after change of the software motion limits, only a manual operation that moves the robot arm towards the motion space is possible. Move the robot arm in Joint mode.

Software Motion Limits Changing Procedure

In order to change the setting, change the value on the display of the software motion limit on the teach pendant.

Then, restart the controller.

For details of operation, refer to the "Displaying and Setting the Software Motion Limit"of TEACH PENDANT GUIDE.

Newly programmed software motion limit will be valid after restart of the controller.

ID : 4648

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