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July 2010 18 – 295

18.2.2 Possible causes of errors

 Contamination by condensed oil, grease, water

 Signal socket damaged

 Cable damaged

 Signal error caused by high frequency, strong magnetic fields, etc.

 Penetration of humidity

 Encoder electronics (e.g., light unit) defective

 Motor encoder is loose (e.g., loose or defective coupling between motor encoder housing and

motor housing)

 Strong machine vibrations

 Interface on the control defective

Default Chapter3
- Table of Contents3
How to Use this Service Manual11
- Target Group11
- About this Manual11
- Other Service Manuals12
- Other Documentation12
- Support12
- Service Training12
- Meaning of the Symbols Used in this Manual13
- Safety13
Safety Precautions15
- Overview15
Code Numbers17
- Introduction17
- Overview17
- Input of Code Numbers18
Error Messages21
- Introduction21
- HELP Key25
- ERR Key26
- CE Key28
- List of NC Error Messages29
Errors Patterns55
- Introduction55
- Overview of Possible Error Patterns55
Procedures and Tips for Error Diagnosis59
- Introduction59
- Power off and on59
- Sequence for Finding Serious Electrical Errors60
- Sequence for Finding Errors in the Control Loop62
- Error Localization by Process of Interchange65
- Error Localization by Process of Exclusion66
- Finding Position Differences of Direct and Indirect Encoder68
- Error Localization by Switching from Direct to Indirect Position Measurement70
- Notes and Tips72
Creating and Downloading of Service Files77
- Introduction77
- Automatic Generation of Service Files78
- Downloading of Service Files79
Log81
- Introduction81
- Calling the Log82
- Overview of Log Entries83
- Log Entries at Program Cancelation87
Integrated Diagnostic Functions and Drivediag89
- Introduction89
- Activation and Operation90
- For Error Diagnosis98
Integrated Oscilloscope99
- Introduction99
- Activation and Settings100
- Recording and Adjusting the Signals105
- Saving and Loading Recordings110
- For Error Diagnosis111
PLC Diagnosis115
- Introduction115
- Possible Causes of Errors118
- Diagnosis Tools in the PLC Mode119
- Non-Volatile PLC Markers and Words136
- Overviews138
- Specifications147
Hard Disk and File Manager of the Itnc 530151
- Introduction151
- Structure of the Hard Disk152
- Possible Causes of Error152
- Test of Hard Disk153
- Setting the System Time159
- Setting the Program Manager162
- File Management of TNC Partition163
- File Management of PLC Partition165
Data Backup169
- Introduction169
- Connection Setup172
- Reading in and out of Individual Files or Directories186
- Backup on an External Data Medium192
- Extracting Files from the Backup File196
- Restoring Data197
- Cable Overview200
- Operating Modes of the Data Interfaces205
  - Overview of Operating Modes205
  - Interface Configuration and Assignment of Mode206
- Drive Symbols207
Reloading the NC Software Used209
- Introduction209
- Preparations209
- Proceeding up to NC Software 34049X-02 (Single-Processor Version)210
- Proceeding as of NC Software 34049X-02 (Single-Processor Version)212
- Proceeding for the Dual-Processor Version215
Loading of Service Packs219
- Introduction219
- Preparations220
- Execution up to NC Software 34049X-01 (Single and Dual Processor Version)221
- Execution as of NC Software 34049X-02 (Single-Processor Version)223
- Execution as of NC Software 34049X-02 (Dual-Processor Version)226
Checking the Enables on the Itnc 530229
- Introduction229
- Examination232
Power Supply251
- Power Supply for the Itnc 530251
- Power Supply for "Control-Is-Ready Signal262
- Buffer Battery264
- Information Menu267
- Power Supply for PLC Outputs268
- Power Supply for the Display Units276
Encoder Interface277
- Position Encoders277
- Speed Encoders293
- Error Codes for Encoders with Endat Interface307
- Further Examination of Position and Speed Encoders308
- Position Measurement Via Motor Encoder (Indirect Position Measurement)311
- Switching over the Position Display for Servicing315
Reference Run317
- Definition317
- Traversing the Reference Marks318
- Possible Causes of Errors318
- Troubleshooting319
- Corrective Action320
- Deselecting the Reference Run for Axes320
- Retraction after an Error with Control Reset321
Interface to the Drives323
- Digital PWM Interface323
- Analog Speed Command Interface344
Visual Display Unit355
- Introduction355
- Possible Causes of Errors355
- Troubleshooting356
- Corrective Action358
Keyboard Unit359
- Introduction359
- Front View of the Keyboard Units360
- Possible Causes of Error362
- Checking the Keys363
- Checking the Potentiometers367
- Checking the Touchpads370
- Corrective Action371
- Key Matrix of the Keyboard Units372
- Key Matrix of the Keyboard Units388
Machine Operating Panel389
- Introduction389
- Possible Causes of Errors390
- Checking the Power Supply391
- Checking the Keys392
- Checking the Outputs397
- Corrective Action398
Handwheel399
- Introduction399
- Possible Causes of Errors400
- Error Location on Portable Handwheel with HR 420 Display401
- Error Diagnosis at HR 410 Portable Handwheel406
- Deselecting and Disconnecting the Portable Handwheel409
- Error Diagnosis at Panel-Mounted Handwheels410
- Corrective Action412
Touch Probe413
- Introduction413
- Possible Causes of Errors417
- Error Diagnosis on TS Touch Probes418
- Error Diagnosis on TT Touch Probes422
- Error Diagnosis on Laser Touch Probe425
- Deselecting and Disconnecting the Touch Probe426
- Corrective Action427
Important Features of HEIDENHAIN Components429
- HEIDENHAIN Components in a Machine Tool429
- Hardware Identification430
- Display of Important System Information443
Connector Designation and Layout447
- Important Note447
- MC and CC447
  - Designation and Position of Connectors447
  - Pin Layouts on the MC and CC457
- Power Supply Units487
- Monitors493
  - Designation and Position of Connectors493
  - Pin Layouts494
- Keyboard Units495
  - Designation and Position of Connectors495
  - Pin Layouts497
- BTS 1X0 Monitor/Keyboard Switch498
- Machine Operating Panel499
- Handwheels503
- Touch Probes507
- PLC Input/Output Units507
- Encoders520
  - Position Encoders520
  - Speed Encoders522
- Inverters and Motors522
- Interface Boards for the SIMODRIVE System 611D522
Exchange of HEIDENHAIN Components523
- Important Information523
- Exchange of the MC 422531
- Exchange of the Drive Assembly537
- Exchange of the MC 422 B, MC 422 C, MC 420542
- Exchange of the HDR544
- Exchange of the CC551
- Exchange of the Buffer Battery552
- Exchange of Other HEIDENHAIN Components553
- Exchange of HEIDENHAIN Components in the SIMODRIVE System554
Measuring, Testing and Inspection Equipment561
- Important Notes561
- Test Adapter562
- PWM 9 Encoder Diagnostic Set566
- PWT 10/17/18 Testing Unit568
- IK 215 Adjusting and Testing Package570
Machine Parameter571
- Explanation571
- The Machine Parameter Editor572
- Meaning of the Machine Parameters579
- List of Machine Parameters580
Annex: Principle of Function of the Itnc 530 Control645
- Introduction645
- The Control Loop645
- PWM Signals654
Annex: Principle of Function of the Itnc 530 Control657
Annex: Monitoring Functions661
- Introduction661
- During Start-Up661
- During Operation663
- I 2 T Monitoring676
- Actual Utilization of Drive Motors681
- Status of HEIDENHAIN Inverters682
- Controlling the Motor Brakes684
- EMERGENCY STOP Monitoring During Operation687

Brand	HEIDENHAIN
Model	ITNC 530
Category	Control Systems
Language	English

HEIDENHAIN ITNC 530 Service Manual

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