User`s manual
Table Of Contents
- SAFETY PRECAUTIONS
- CONDITIONS OF USE FOR THE PRODUCT
- REVISIONS
- INTRODUCTION
- CONTENTS
- ABOUT MANUALS
- HOW TO USE THIS MANUAL
- ABOUT THE GENERIC TERMS AND ABBREVIATIONS
- PACKING LIST
- 1. OVERVIEW
- 2. SYSTEM CONFIGURATION
- 3. FUNCTION LIST
- 4. INSTALLATION AND UNINSTALLATION
- 5. SCREEN MAKEUP AND BASIC OPERATIONS
- 6. PROJECT CREATION
- 7. SYSTEM CHECKING FROM PERIPHERAL DEVICE
- 8. DATA SETTING
- 9. WRITING TO/READING OF/VERIFICATION OF POSITIONING MODULE DATA
- 10. POSITIONING DEBUGGING
- 11. USEFUL FUNCTIONS
- APPENDIX
- Appendix 1 Read from Module/Write to Module Reference Processing Times
- Appendix 2 Restrictions Depending on Function Version of QD75
- Appendix 3 Functions Added to/Changed from the Previous Versions
- Appendix 4 Uninstalling the License Key FD
- Appendix 5 Parameter Names Shown in GX Configurator-QP Screens and Manuals
- INDEX

10 - 42 10 - 42
MELSOFT
10. POSITIONING DEBUGGING
10.5 Servo On/Off
PURPOS
E
In the test mode of the QD75M, QD75MH or LD77 switch off the electromagnetic
brake of the servo motor to coast the motor.
The following conditions must be satisfied to switch servo On/Off.
<Servo On>
• The servo amplifier of the corresponding axis is in the ready On status and servo
Off status.
• The corresponding axis is in other than the error occurrence/step error occurrence
status.
<Servo Off>
• The servo amplifier of the corresponding axis is in the servo Off status.
• The corresponding axis is in the standby/stop/step standby status.
BASIC OPERATIO
N
1. Choose the [Online]
[Test] [Test On/Off] menu ( ) to place the QD75M,
QD75MH or LD77 in the test mode.
2. To put all axes in the servo Off status simultaneously, click the [Online] [Test]
[All axis Servo On/Off] menu.
To switch servo Off axis-by-axis, click the [Online]
[Test] [Tool]
[#1 Servo Off command] / [#2 Servo Off command] / [#3 Servo Off command] /
[#4 Servo Off command] menu.
3. To switch servo On, click the [Online]
[Test] [All axis Servo On/Off] menu.