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 - 7 10 - 7
MELSOFT
10. POSITIONING DEBUGGING
10.2.3 History monitor
PURPOS
E
Monitor the error, warning and start histories stored in the QD75/LD75/LD77
buffer memory during operation monitor.
BASIC OPERATIO
N
1. Perform the basic operation in Section 10.2.2 to display the operation monitor
window.
2. Click the "History" button on the operation monitor window.
3. Click the <<Error history>>/<<Warning history>>/<<Start history>> tab.
DISPLAY/SETTING SCREE
N
[Error history monitor] [Warning history monitor]
DISPLAY/SETTING DATA
Item Description
Title bar Shows the I/O address of the QD75/LD75/LD77 being monitored.
No
Represents the order of errors/warnings which occurred since power-on.
If more than 16 errors/warnings occurred, the older ones are deleted.
Axis
Shows the axis where the error/warning occurred.
Buffer memory address (newest error): 1293
Buffer memory address (newest warning): 1358
Code
Shows the error/warning code.
Buffer memory address (newest error): 1294
Buffer memory address (newest warning): 1359
Time
Shows the error/warning occurrence time in hour:minute:second format.
Buffer memory address (newest error): 1295, 1296
Buffer memory address (newest warning): 1360, 1361
Message Shows the error/warning name.