HEIDENHAIN TNC 426CB User Manual

Name: HEIDENHAIN TNC 426CB
Brand: HEIDENHAIN
Rating: 5 (1 reviews)

207 pages

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Kundendienst/Service

426

B/PB

430

Service Manual

Default Chapter4
- Table of Contents4
1 How to Use this Service Manual6
2 Integrated Monitoring System7
3 Minor Error Messages9
- Causes of Minor Error Messages10
4 Blinking Error Messages and Their Causes13
- General Error Messages14
- PLC Editor16
- Position Encoder Interface24
- Speed Encoder Interface24
- Analogue Axes24
- Digital Axes25
5 Hardware Components of TNC 426.B/430.A33
6 Logic Unit le 426CB/430CA34
- Logic Unit le 426PB/430PA35
- Hardware Components of the Logic Unit le 426.B/430.A36
7 Connector Designations and Pin Layouts37
- Connectors on the Logic Unit le 426.B/430.A37
- Connectors on the PLC I/O Boards63
- Connectors on the Keyboard Units72
- Connectors on the Visual Display Unit74
- Connectors on the Interface Board77
- Connectors on the Machine Operating Panel MB 42078
8 Grounding Diagram79
9 Block Diagrams80
- Basic Circuit Diagram of Motor Control80
- Block Diagram of Control Loop81
- Detailed Block Diagram of Digital Axis82
10 Board Description83
11 Power Supply84
- Requirements to the External Power Supply84
- Power Supply of the NC Part (DC-Link Power Supply)90
- Checking the Power Supply of the NC Part (DC-Link Power Supply)92
- Power Supply of the PLC Part93
- Buffer Battery95
- INFO Menu96
12 Keyboard Unit te 401B/42097
- Overview97
- Checking the Keyboard Unit98
13 Visual Display Units108
- Checking the Visual Display Unit BC 110B108
- Checking the Visual Display Unit BC 120109
- Checking the Visual Display Unit BF 120111
14 Encoder Interface112
- Position Encoder Circuit112
- Speed Encoder Circuit115
- Electrical Inspection of an Encoder117
15 Serial Handwheels119
- Handwheel HR 130/330119
- Handwheel HR 332121
- Handwheel HR 410121
- Error Messages125
500 D Touch Probes126
- Overview126
- Error Messages128
17 File Management of TNC 426.B/430.A131
- Structure of the Hard Disk131
- TNC Partition (TNC:\)132
- PLC Partition (PLC:\)134
- Compiling the PLC Program136
- Calling the PLC Error Table (X.pet) for Diagnosis137
- Generating a Cross-Reference List for Diagnosis138
- Calling the Active Machine Parameter List139
18 Data Interfaces140
- Operating Modes of the Data Interfaces140
- Machine Parameters for the Data Interfaces142
- Error Messages143
- Wiring Diagram of the Data Interfaces145
19 Data Input and Output147
- Data Transfer Menu147
- File Overview TNC 426.B/430.A148
- Data Output148
- Data Input152
20 Interface to the Servo Amplifier156
- Nominal Value Output to Servo Amplifier (Analogue/Digital)156
- Analogue Speed Nominal Value Interface at Connector X8/X9157
- Digital Interface to the Servo Amplifier, Connectors X51 - X56/X61160
- Switching over the Position Display for Servicing162
- Adjustment of the Feed Rate at the Servo Amplifier163
- Offset Adjustment164
- Integrated Oscilloscope166
21 PLC Interface170
- Specifications170
- Checking the PLC Inputs and Outputs171
- Diagnosis in the PLC Mode174
- Output "Control Is Ready" and Acknowledgement for Test "Control Is Ready178
- Non-Volatile PLC Markers and Words183
22 Tests Units185
- Universal Measuring Adapter185
- Encoder Diagnostic Set187
- Drive Control Generator (DCG)189
23 Exchange Instructions192
- Important Notes192
- Exchanging the NC Software PGM No. 280 470 - 473193
- Backing up Hard-Disk Data202
- Exchanging the Logic Unit203
- Exchanging the Hard Disk206
24 Machine Parameter List207

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HEIDENHAIN TNC 426CB Specifications

General

Brand	HEIDENHAIN
Model	TNC 426CB
Category	Measuring Instruments
Language	English

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