Mitsubishi Electric MELSEC-L Series LD40PD01 - 14.4 Troubleshooting with LEDs

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14 TROUBLESHOOTING

14.2 Checking Error Codes with Latest Error Code (Un\G100)

14.2 Checking Error Codes with Latest Error Code

(Un\G100)

This section describes how to check errors with Latest error code (Un\G100).

[Online]  [Monitor]  [Device/Buffer Memory Batch]

If multiple errors have occurred, the latest error code is stored in Latest error code (Un\G100).

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Default Chapter3
- Safety Precautions3
- Conditions of Use for the Product7
- Compliance with Emc and Low Voltage Directives8
- Introduction8
- Table of Contents10
- Relevant Manuals14
- Manual Page Organization15
- Packing List16
- Terms16
Chapter 1 Flexible High-Speed I/O Control Module17
Features17
Application Example21
Chapter 2 Part Names23
Chapter 3 Specifications25
General Specifications25
Performance Specifications26
- Number of Parameter Settings29
Function List30
List of I/O Signals31
List of Buffer Memory Addresses32
Chapter 4 Procedures before Operation34
Chapter 5 System Configuration36
5.1 Overall Configuration36
Applicable System37
Restrictions When the Flexible High-Speed I/O Control Module Is Connected to the Head Module37
Chapter 6 Installation and External Wiring38
Installation Environment and Installation Position38
External Wiring39
- External Wiring Precautions39
- Connector for External Devices43
- Interface with External Devices45
- Connectable Encoders52
Examples of Wiring between a Controller and External Input Terminals53
- Example of External Wiring with a Controller (Sync Load Type)53
- Example of External Wiring with a Controller (Source Load Type)53
Example of External Wiring between the Flexible High-Speed I/O Control Module and an Encoder54
- Example of External Wiring with an Open Collector Output Type Encoder (24VDC)54
- Example of External Wiring with a Line Driver (Equivalent to AM26LS31) Encoder56
- Example of External Wiring with the SSI Encoder (Serial Communication)57
Example of External Wiring with External Output Terminals58
- Example of External Wiring with Output Terminals (Sink Output Type)58
- Example of External Wiring with Differential Receivers (Differential Output Type)59
Chapter 7 Functions60
Hardware Logic Control Function60
Error History Function60
Module Error Collection Function63
Error Clear Function64
Chapter 8 Functions of the Configuration Tool65
How to Install and Uninstall the Configuration Tool65
Starting and Exiting the Configuration Tool66
Switching the Language68
Window Layout69
- Navigation Window69
- Element Selection Window70
- Work Window71
- Map Display Window72
List of Menus of the Configuration Tool73
Project Management74
- Creating a New Project74
- Opening a Project74
- Saving a Project File75
- Security76
Windows for Creating the Hardware Logic78
- Hardware Logic Outline Window79
- Multi Function Counter Block Detail Window80
- How to Use Blocks81
Library Function87
- Export87
- Library Operation89
Online Functions90
- Writing Data to the Module91
- Reading Data from the Module92
- Verifying with the Module93
- Module Operation94
- Monitor95
Debug Function97
- Simulation Function97
Help Function104
- Checking the Version of the Configuration Tool104
Chapter 9 Creating a Hardware Logic105
Main Blocks in the Hardware Logic Outline Window105
- External Input Block108
- Y Device Terminal111
- OUT Terminal112
- Parallel Encoder Block113
- SSI Encoder Block116
- Logical Operation Block124
- External Output Block125
- SI Device Terminal128
Multi Function Counter Block129
- Internal Blocks of Multi Function Counter Blocks132
- Input Terminal136
- Latch Input Terminal136
- Event Input Terminal137
- Input Signal Event Detection Block138
- Latch Event Detection Block145
- Counter Timer Block147
- Comparison Block160
- Cam Switch Block163
- Set/Reset Block167
- Output Terminal168
- Event Output Terminal169
- Cam Switch Output Terminal170
Intelligent Function Module Interrupt171
Chapter 10 Block Link Examples174
Coincidence Detection175
One-Shot Timer180
Event Generation184
Cam Switch186
PWM Output189
Fixed Cycle Output192
Latch Counter195
Ratio Conversion198
Pulse Measurement203
Chapter 11 Settings206
Adding the Module206
Switch Setting207
Auto Refresh208
Chapter 12 Display Unit209
Features209
Checking and Clearing Errors210
Chapter 13 Programming212
Programming Procedure212
When the Module Is Used with the Standard System Configuration213
When the Module Is Connected to a Head Module219
- Operations of the Flexible High-Speed I/O Control Module When the Head Module Is Connected231
Chapter 14 Troubleshooting233
Checking Error Codes in the Module's Detailed Information Window of GX Works2233
Checking Error Codes with Latest Error Code (Un\G100)234
Checking Error Codes with the Module Error Collection Function of GX Works2235
Troubleshooting with Leds236
- RUN LED Is Flashing or Turns off236
- ERR. LED Turns on236
Troubleshooting by Symptom237
- Inputs from External Devices Are Not Performed237
- Incorrect Inputs from External Devices Are Performed237
- Outputs to External Devices Are Not Performed237
- The Hardware Logic Does Not Function237
- A Multi Function Counter Does Not Start Counting or Does Not Count Properly238
- Interrupt Requests Are Not Properly Sent to the CPU Module239
List of Error Codes240
Checking the Status of the Flexible High-Speed I/O Control Module with System Monitor241
Appendices242
Appendix 1 Details of I/O Signals242
- Input Signal242
- Output Signal246
Appendix 2 Details of Buffer Memory Areas249
Appendix 3 How to Get the Configuration Tool253
Appendix 4 Checking Serial Number and Function Version254
Appendix 5 Added and Changed Functions256
Appendix 6 External Dimensions257
Index258
- Revisions260
- Warranty261
- Trademarks262

Mitsubishi Electric MELSEC-L Series LD40PD01 - 14.4 Troubleshooting with LEDs

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