Mitsubishi Electric Q12DCCPU-V

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TROUBLESHOOTING

CHAPTER 16 TROUBLESHOOTING

This chapter provides error information, return values (error codes) of bus interface

functions and MELSEC data link functions, and corrective actions for various problems.

For the Q06CCPU-V-B, MELSEC data link functions cannot be used.

Q12DCCPU-V

Q06CCPU-V

Q06CCPU-V-B

Main Page

Safety Precautions3
Design Precautions3
Installation Precautions5
Wiring Precautions6
Startup and Maintenance Precautions8
Disposal Precautions10
Transportation Precautions10
Conditions of Use for the Product11
Operating Precautions14
Precautions for System Configurations14
Supported Modules14
Multiple CPU System14
Precautions for Standard RAM, Standard ROM, and Compactflash Card15
Standard RAM Formatting15
Standard ROM Formatting15
Allowable Number of Writes to the Standard ROM15
Allowable Number of Writes to a Compactflash Card (Service Life)16
Compactflash Card Replacement16
File Name and Directory Name16
Unmounting a Compactflash Card by the RESET/SELECT Switch16
Precautions for Battery17
Battery Replacement17
About File Corruption17
Precautions for Clock Setting18
Precautions for Starting the C Controller Module18
Clock Setting18
Precautions for Network Configurations19
Precautions for the Wind River Systems Product19
Contents20
Manual Page Organization28
Generic Terms and Abbreviations30
CPU Modules31
Network Modules and PC Boards32
Power Supply Modules and Base Units33
Others34
Glossary35
Product Organization36
Packing List36
Discontinued Models36
Overview37
List of Related Manuals38
Features40
Development Environment40
Control of I/O Modules and Intelligent Function Modules40
Reduced Takt Time for the System41
Multiple CPU Synchronous Interrupt42
Interrupts from Other Cpus43
Flexible and Easy Network Construction44
Real-Time Communication with MES and EES44
Enhanced Device Level Network Security44
7-Segment LED Display45
Easy Configuration and Startup of Positioning Module45
Message Communication46
Message Communication Via a CC-Link IE Controller Network Module46
Control of a Wide Variety of CC-Link Products48
Easy Serial Communication Programming48
Control of CC-Link Products48
Serial Communications Using RS-232 Port48
Login User Access Restriction Can Prevent Illegal Access49
Telnet Function49
Login User Access Restriction49
User Programs Can be Stored in the Built-In Standard RAM or ROM50
Compactflash Card Allows Large-Volume Data Storage50
Retention and Monitoring of Battery-Backed-Up RAM Data50
RAM Disk Function50
Connecting a GOT in a Bus Topology51
Data Exchange between Two C Controller Modules51
Connection with MX Component52
Mode Change Expands the Function52
System Configuration53
Devices Used for each Base Unit54
When Using the Main Base Unit54
When Using the Slim Type Main Base Unit55
When Using the Multiple CPU High Speed Main Base Unit56
Connection with a Development Environment57
For the Q12DCCPU-V57
Connection with Peripheral Devices59
System Configuration Overview61
Restrictions on the System Configuration62
Applicable Modules69
Applicable I/O Modules and Intelligent Function Modules69
Precautions for Using I/O Modules and Intelligent Function Modules71
Number of Connectable Modules71
Precautions for Using a CC-Link Module71
Precautions for Using a MELSECNET/H Module72
Precautions for Using a CC-Link IE Controller Network Module73
Precautions for Using the CC-Link IE Field Network Master/Local Module74
Precautions for Using a Serial Communication Module74
Precautions for Using an FL-Net Module75
Precautions on Interrupt Processing75
Precautions for Using GX Configurator75
Precautions for Using MODBUS Interface Module75
Software Packages76
Applicable Devices77
Compactflash Card77
Twisted Pair Cable78
Hub79
RS-232 Cable79
USB Cable (Q12DCCPU-V Only)80
Connection of a HMI (Human Machine Interface)81
Connection from GX Works2/Gx Developer81
Other Station Access Via MELSECNET/H and CC-Link84
Connection from GX Configurator-QP85
Connection from MT Works285
Connection from MT Developer85
Connection from MX Component85
Connection to External Devices86
Checking Function Version, Serial No., and Software Version87
Checking on the Rating Plate87
Checking on the Serial Number Display88
Checking in C Controller Setting Utility89
System Information Screen89
Version Information Screen89
Checking the Software Version of Software Package90
General Specifications91
Performance Specifications92
RS-232 Connector Specifications94
RS-232 Connector Specifications for the Q12DCCPU-V94
RS-232 Connector Specifications for the Q06CCPU-V(-B)95
Operation Processing96
Initial Processing96
I/O Access Timing97
Input (X) Loading Timing97
Output (Y) Writing Timing97
RUN, STOP and PAUSE Status Operation Processing98
Operation Processing in the RUN Status98
Operation Processing in the STOP Status98
Operation Processing in the PAUSE Status98
Operation Processing During Momentary Power Failure99
When Momentary Power Failure Time Is Within the Allowable Range99
Functions100
I/O Module and Intelligent Function Module Access Function103
Access to I/O Modules and an Intelligent Function Module103
Remote Operation Function104
Remote RUN/STOP105
What Is Remote RUN/STOP?105
Application of the Remote RUN/STOP105
Operation in the Remote RUN/STOP105
Methods for Remote RUN/STOP106
Remote PAUSE108
What Is the PAUSE Status?108
Application of the Remote PAUSE108
Methods for Remote PAUSE108
Using Development Environment (Personal Computer)109
Remote PAUSE from Development Environment (Personal Computer)109
Remote RESET110
What Is Remote RESET?110
Applicable System Configurations and Methods110
Application of the Remote RESET110
Remote RESET Timing111
Confirmation before Remote RESET111
Methods for Remote RESET113
Setting for Remote RESET114
Before Performing Remote RESET114
Status after Completion of Resetting114
Remote RESET During Stop Due to an Error114
Relation between Remote Operation and RUN/STOP Status115
Remote Operations from the same Development Environment115
Remote Operations from Multiple Development Environments115
Remote Operation from the C Controller Module to CPU No.1115
Device Function117
Device List117
Settings for Using Device Functions117
Number of Device Points118
Self-Diagnostic Function119
Processing after Error Detection119
Storing Error Data119
Disabling Writes and Clearing Outputs119
Selectable Error Detection120
Registering Error Data to the Event History File120
Fuse Blown Error or Module Verify Error120
Self-Diagnostic Function List121
Clearing Errors124
Error Clear Procedure124
The Status after Clearing Error124
Output (Y) Status Setting for Switching STOP to RUN125
Setting Applications125
Output (Y) Status Setting for Switching from STOP to RUN126
Previous State (Default)126
Reset Output (Y)126
Clock Function128
What Is the Clock Function?128
Clock Operation During Power Off, Reset or Momentary Power Failure128
Clock Data128
Changing and Reading Clock Data129
Changing Clock Data129
Using a User Program129
Reading Clock Data129
Clock Data Accuracy130
Setting Clock Data for the First Time130
Setting Clock Data When no Battery Is Installed130
Correcting Clock Data130
Changing Clock Data by a User Program131
Reading Clock Data by a User Program131
Multiple CPU Clock Synchronization Function132
What Is the Multiple CPU Clock Synchronization Function?132
Setting of the Multiple CPU Clock Synchronization Function132
Input Response Time Selection (I/O Response Time)133
What Is the Input Response Time Selection?133
Input Response Time Setting134
When the Input Response Time Is Reduced134
Timing When the Setting Takes Effect134
Error Time Output Mode Setting135
What Is the Error Time Output Mode Setting?135
Hardware Error Time CPU Operation Mode Setting136
Switch Settings for I/O and Intelligent Function Modules137
Timing of Writing the Switch Settings137
Switch Setting of Intelligent Function Modules and Interrupt Modules138
Watchdog Timer (WDT)139
When a Watchdog Timer Times out139
Setting and Resetting a Watchdog Timer139
User Watchdog Timer140
Interrupt from Intelligent Function Module141
Setting for Interrupt from an Intelligent Function Module141
Intelli. Module Side "Start si No."142
Processing Overview143
Executing Interrupt Routines (Interrupt Programs)143
Restarting a User Program144
Operation Timing144
Connection between C Controller Module and GOT146
Microcomputer Connection of GOT146
Preparation for Use of the Telnet Function147
Available Commands147
Precautions on the Telnet Function148
Calculation for the Q12DCCPU-V148
Setting Methods for the Q12DCCPU-V149
Calculation for the Q06CCPU-V(-B)150
Setting Methods for the Q06CCPU-V(-B)150
The Number of Telnet Tools Connectable at the same Time150
When Executing a Shell Command from the Telnet Tool151
Execution of Vxworks Reboot Command151
Command Execution Without Argument Specification151
Precautions for Program Debugging151
Peripheral Devices that Can be Connected152
Peripheral Devices that Cannot be Connected153
Number of Available Connections153
Checking by Keepalive153
Connecting the Exceeded Number of Available Connections153
Resend Processing for TCP Connections154
Connection by UDP154
Operation Using the Connections Listed below Is Not Guaranteed154
Direct Connection to MELSOFT154
Network Module Access Function List155
CC-Link Module Access Function156
The CC-Link Module Access Function156
Access Via CC-Link156
Block Data Assurance Per Station157
How to Read out Cyclic Data (from the Buffer Memory)158
Automatic Cyclic Data Refresh158
Manual Cyclic Data Refresh159
Readout Operation159
Point160
How to Write Cyclic Data (to the Buffer Memory)160
Write Operation163
MELSECNET/H Module Access Function164
Message Transmission165
Message Reception165
Internal Buffer for Message Reception166
Message Communication Example167
Link Device Access169
Internal Buffer Access169
What Is the Internal Buffer Access?169
Internal Link Device Buffers169
Accessible Devices170
Link Device Refresh171
Direct Access172
What Is Direct Access?172
Directly Accessible Devices172
Selection of Internal Buffer Access or Direct Access173
Parameter Settings174
Link Device Refresh Setting175
Link Device Refresh Cycle175
Total Link Device Refresh Time175
Conceptual Diagram of Link Device Refresh Cycle175
Variation in Total Link Device Refresh Time176
Checking the Total Link Device Refresh Time176
Link Device Refresh Cycle Setting Flowchart177
Calculating the Total Link Device Refresh Time178
Setting a Temporary Link Device Refresh Cycle178
Test Run of the C Controller System178
Checking the C Controller System Operation178
Access Via Network Modules179
User Program Processing of C Controller Module179
Actions for C Controller System Malfunction180
Corrective Action180
Decrease the Refresh Points181
Modify the User Program181
Link Device Refresh Cycle Setting181
Refresh Parameters182
Link Refreshable Devices182
Setting Refresh Parameters182
Refresh Parameter Setting Example183
MELSECNET/H Utility: Refresh Parameter Settings Screen184
Link Data Transfer Processing Time Specifications185
Link Data Transfer Processing185
Processing Outline185
How to Calculate the Transmission Delay Time186
Link Scan and Link Device Refresh186
Delay Time in Transmission Within the same Network186
Transmission Delay Time Calculation Example188
Link Device Refresh Time188
Cyclic Transmission Delay188
Reducing the Link Device Refresh Time189
Concept of Refresh Range (Points)189
How to Decrease the Refresh Points190
Modifying Refresh Parameters190
Using Direct Access191
Reducing the Link Scan Time191
CC-Link IE Controller Network Module Access Function192
Indicator LED Specifications244
In Hardware Self-Diagnostic Operation Mode245
7-Segment LED Specifications246
RUN/STOP/MODE Switch Operation247
RESET/SELECT Switch Operation247
Part Names and Functions of the Q06CCPU-V(-B)249
Part Names250
Cable Connection255
Compliance of the C Controller Module with the EMC Directive256
Network Settings for 1:1 Connection257
Accessing the C Controller Module from the Development Environment259
Accessing the C Controller Module260
Monitoring the C Controller Module Status260
Changing the IP Address of the C Controller Module261
Displaying the Relevant Tab261
Setting an IP Address261
Network Settings for the Development Environment262
Connection to LAN262
Access to the C Controller Module262
Confirmation of Monitoring262
Communication Details264
Flashing "01" or "02" of the 7-Segment LED264
Battery Specifications265
Battery Installation266
Checking for Low Battery Voltage of the C Controller Module267
Setting for Low Battery Voltage Detection267
When a Battery Error Occurs268
Service Life of the C Controller Module Battery269
Battery Error Detection and Log Addition to the Event History270
Battery Replacement Procedure271
Backup Power Time271
When the Module Has Been Operated Without Battery272
Clock Data Setting272
Disabling Battery Error Detection274
Removing a Battery before Storage275
Shutdown Operation276
Inserting/Removing a Compactflash Card and Access Stop278
Inserting/Removing the Compactflash Card278
Removing or Replacing the Compactflash Card279
Inserting a Compactflash Card280
Removing the Dummy Compactflash Card280
Removing the Compactflash Card281
Stopping Access to the Compactflash Card282
Access Stop Procedure282
When Inserting a Compactflash Card While Power Is on284
Unmounting the Compactflash Card by the RESET/SELECT Switch285
Preventive Measure Example286
Insulation Sheet Example287
Attaching Insulation Sheet to a Compactflash Card287
Life of Compactflash Card288
Calculation of Life288
Total Writable Size288
Checking the Number of Erasures on the Standard ROM289
Standard ROM Life289
Checking Writing Frequency to the Standard ROM289
Initializing/Changing Mode of C Controller Module290
Initialization Setting for C Controller Module290
Changing Mode of Q12DCCPU-V290
Settings and File Conditions after the Operations292
File Conditions292
Default IP Setting Mode293
Module Initialization Setting295
Initializing the Module by Switch Operation295
Setting the Q06CCPU-V(-B) Back to the Factory-Set Status299
Formatting the Standard ROM303
Login User Setting and Restriction306
Functions that Can be Restricted by Login User Setting306
Setting a Login User307
Default Login User and Setting Method307
Application of the Login User Setting of the C Controller Module309
Ensuring Safety from Illegal Access from Outside309
Retaining the Login User Setting309
Maintenance and Inspection310
Daily Inspection312
Periodical Inspection313
I/O Number Assignment314
Number of Base Units and Number of Slots314
Precautions on the Number of Mounted Modules315
Connecting Extension Base Units and Setting the Number of Stages316
Extension Stage Number Setting and Setting Order316
Precautions for Extension Stage Number Setting317
Extension Stage Number Setting Order317
Duplicated Extension Stage Number Setting318
Base Unit Assignment (Base Mode)320
Auto Mode320
5-Slot Base Units321
8-Slot Base Units321
Detail Mode323
Base Mode Setting in C Controller Setting Utility325
I/O Assignment Settings325
What Is I/O Number?326
Inputting and Outputting ON/OFF Data326
I/O Number Notation326
I/O Numbers of a Base Unit327
Number of Slots of Base Units328
Order of I/O Number Assignment328
Order of I/O Number Assignment for Extension Base Units328
I/O Numbers of Empty Slots329
I/O Assignment by C Controller Setting Utility330
Purposes of I/O Assignment by C Controller Setting Utility330
Preventing I/O Number Change in Module Replacement330
Changing I/O Numbers to those Used in the User Program330
Details of I/O Assignment by C Controller Setting Utility332
Model Name333
Points (C Controller Module Uses this Setting.)333
Start X/Y333
Precautions for I/O Assignment334
I/O-Assigned Slot Status334
Last I/O Number335
Precautions on Automatic Assignment of Start X/Y336
I/O Assignment Example337
Changing the Points Assigned to an Empty Slot from 16 to 32337
I/O Assignment Setting in C Controller Setting Utility338
I/O Number Assignment after Change338
Changing the I/O Numbers of a Slot339
Checking I/O Numbers341
Memories and Files342
Memories of the C Controller Module342
User Memories342
Standard RAM343
Standard ROM343
Work RAM343
Battery-Backed-Up RAM343
Data Storable in User Memories of the C Controller Module344
Drive Name345
Memory Capacities and Necessity of Formatting346
File Systems of a Compactflash Card346
System Memory347
File Operation and Handling Precautions348
Availability of File Operation349
Precautions for Handling Files350
When Writing a File350
Powering off (Including Reset) During File Operation350
Operating the same File Concurrently350
The Number of Files and Directories351
Precautions for the Storage Location of User File351
Creating a Directory351
Device Description352
Applicable Devices with C Controller Modules352
I/O Device353
Input (X)353
Output (Y)353
Internal User Device354
Internal System Device354
Internal Relay (M)354
Data Register (D)354
Link Direct Device355
Module Access Device356
Intelligent Function Module Device356
Multiple CPU Area Device356
Multiple Cpu System Overview357
What Is the Multiple CPU System?357
Configuration of a Multiple CPU System357
Controlling I/O Modules and Intelligent Function Modules358
Control CPU Setting358
Application Example of a Multiple CPU System359
Data Exchange between CPU Modules359
Access to a Non-Controlled Module359
Access Range of Device Monitoring Utility359
Multiple Cpu System Configuration360
Applicable CPU Modules370
Combinations of Power Supply Modules and Base Units374
Precautions for GOT Connection374
Time Adjustment and Time Notification of GOT374
Concept of Multiple Cpu System375
Mounting Positions of CPU Modules375
When CPU No.1 Is the Q12DCCPU-V376
Mounting Position of a C Controller Module376
Mounting Position of a Motion CPU376
Adding a CPU Module377
CPU Module Positions378
When CPU No.1 Is the Q06CCPU-V(-B)380
CPU No. of CPU Module383
CPU No. Assignment383
Target Setting in C Controller Setting Utility384
I/O Number Assignment for the Module385
I/O Number of each CPU Module386
Access Ranges between a CPU Module and Other Modules387
Access to Controlled Modules387
Access to Non-Controlled Modules387
Input (X) Loading388
I/O Sharing When Using Multiple Cpus388
Modules from Which Inputs Can be Loaded389
Output (Y) Loading390
Output to Output Modules and Intelligent Function Modules392
Access to the Buffer Memory of an Intelligent Function Module392
Writing to the Buffer Memory393
Access to Link Devices394
Resetting CPU Modules395
When a CPU Module Stop Error Occurs396
When a Stop Error Occurs in CPU No.1396
When a Stop Error Occurs in Other than CPU No.1396
Operation Setting for Stop Error396
Stop Error Detection397
Error Display in System Information397
Restoring the System398
Communications between Cpu Modules399
Data Communications by MELSEC Data Link Functions400
Interrupt from Another CPU401
About Interrupt from Another CPU401
How to Execute Interrupt Routines402
How to Resume the User Program403
Interrupt by the Event Notification Function403
Functions Used for Interrupt from Another CPU404
Dedicated Instructions405
Devices Available for S(P).GINT and D(P).GINT Instructions405
Setting Data in S(P).GINT and D(P).GINT Instructions406
Usable Devices406
Control Details406
Error Details407
Error Codes Related to S(P).GINT and D(P).GINT Instructions407
Example of a Program Using S(P).GINT Instruction408
Multiple CPU Synchronous Interrupt Function409
Multiple CPU Synchronous Interrupt Function Processing409
Data Communications Using CPU Shared Memory410
CPU Shared Memory Structure410
Data Communication Methods Using the CPU Shared Memory410
Selection of a Data Communication Method410
Access Diagram412
List of Host CPU Operation Information Areas414
LED Status414
Operation Status414
Data Communications Using Auto Refresh415
Communication Using Auto Refresh415
Auto Refresh Area Setting417
Auto Refresh Area Setting Example418
Precautions for Data Communications Using Auto Refresh419
Example of Parameter Setting for Interlock Program419
Sending Side Program for CPU No.1420
Receiving Side Program for CPU No.2 (C Controller Module)420
Interlock Program Example420
Refresh Setting Example for Multiple CPU High Speed Transmission422
Outline of Auto Refresh423
Universal Model QCPU424
C Controller Module424
Multiple CPU High Speed Transmission Area425
Settings Required for Auto Refresh425
Receive and Send Areas in the Auto Refresh Areas426
Transmission Delay Time427
Assurance of Data Sent Among Cpus427
Data Communications Without Using Auto Refresh430
Processing of Communication Without Using Auto Refresh430
Receiving Side Program for CPU No.2435
When Executing Motion SFC Program of Motion CPU437
Addresses of the User Setting Area and Multiple CPU High Speed438
Addresses of the Multiple CPU High Speed Transmission Area439
Programmable Controller Remote Control Function440
Sequence Program Control Function441
Issuing an Interrupt to Another CPU442
About the Function of Issuing an Interrupt to Another CPU442
Interrupt to C Controller Module (Another CPU)443
Motion CPU Control Instruction444
Motion CPU Device Access445
Multiple CPU Synchronized Boot-Up446
Multiple CPU Synchronized Boot-Up Setting446
Parameter List448
Parameters Used for Multiple CPU Systems448
C Controller Setting Utility Setting Items for Multiple CPU Systems448
Checking Multiple CPU Parameters450
Consistency Check450
Setting the Number of Cpus (Required)451
Number of Cpus451
Reserving an Empty Slot451
Operation Mode Setting (Optional)453
Online Module Change (Optional)453
I/O Sharing When Using Multiple Cpus (Optional)453
Communication Area Setting (Refresh Setting) (Optional)453
Control CPU Settings (Required)454
Multiple CPU Synchronous Startup Setting (Optional)454
Multiple CPU High Speed Transmission Area Setting (Required)454
Starting a Multiple Cpu System455
Flowchart for Starting a Multiple CPU System455
Setting Parameters Added for Multiple CPU Systems458
Development Environment (Personal Computer)458
Parameters Required for the Multiple CPU System459
When Creating a New System461
Troubleshooting472
Visual Check473
Checking the Fault473
Narrowing down the Range473
When the POWER LED on the Power Supply Module Turned off475
When the MODE LED Is Not Lit476
When the ERR. LED Is on or Flashing478
When the RUN LED Remains Flashing479
When UNIT VERIFY ERR. Occurred480
When CONTROL-BUS.ERR. Occurred481
When a File (Program) Cannot be Written486
When an Error Occurs During User Program Execution487
When a File System Error Occurred489
When no LED on an Output Module Turn on491
When an Output Load Device of an Output Module Does Not Turn on492
When Operation Is Not Normal Due to Script File Execution493
When Unable to Read from or Write to the Specified Device498
When Unable to Make a Telnet Connection501
When Unable to Make an FTP Connection503
Actions to be Taken When the ERR. LED Is on or Flashing505
Checking the Error Information and Corrective Actions by Error Code506
When Several Kinds of Errors Has Occurred506
Error Details and Corrective Actions507
Detailed Error Information and Corrective Actions by Error Code510
Error Codes510
Error Code List (2000 to 2999)516
Error Code List (3000 to 3999)520
Error Code List (5000 to 5999)526
Error Code List (7000 to 10000)528
Error Code List530
Error Codes and Actions (for Errors Occurred in Function Execution)530
Error Codes Returned by Bus Interface Functions539
Error Codes and Actions (for Errors Occurred in Communication)544
Hardware Self-Diagnostic Function546
Removing Modules and Distribution Cables548
Mounting on CPU Slot548
Preparation Required for each Mode548
Selecting a Mode in the Hardware Self-Diagnostic Mode550
Switching to the Hardware Self-Diagnostic Mode550
Switching the Mode551
Executing the Hardware Self-Diagnostic Test and Initialization Setting552
LED Indication for Error Completion (Error Detection)553
How to Check the 7-Segment LED Diagnostics554
Hardware Self-Diagnostic Test and Initialization Setting of the555
Abnormal End561
How to Restore the FAT File System of the Drive563
Chkdsk Command563
Execution Example of the Chkdsk Command564
Function Processing Time565
Bus Interface Function Processing Time566
I/O Access Time566
Buffer Memory Access Time567
When Accessing the QJ61BT11N567
Multiple CPU Shared Memory Access Time568
When Accessing the CPU Shared Memory568
MELSEC Data Link Function Processing Time569
External Dimensions570
Regulated Models574
Handling for Transportation574
Exportation Precautions576
Labelling576
Explaining the Symbol in the Manual576
Characters Applicable to User Names and Passwords577
Characters Applicable to User Names577
Characters Applicable to Passwords578
List of Special Relays579
How to Read the List of Special Relays579
How to Read the List of Special Registers580
Diagnostic Information581
Special Registers581
System Information584
Parameter Number List586
Connection with GX Works2/Gx Developer589
When Accessing Another CPU of a Multiple CPU System589
GX Works2589
USB Connection589
Ethernet Connection592
GX Developer594
Accessing the Host Station601
Accessing Other Stations607
Functions Added by Version Upgrade609
Index613

Mitsubishi Electric Q12DCCPU-V - Troubleshooting

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