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TNC 426PB
HEIDENHAIN TNC 426PB Manuals
Manuals and User Guides for HEIDENHAIN TNC 426PB. We have
1
HEIDENHAIN TNC 426PB manual available for free PDF download: Service Manual
HEIDENHAIN TNC 426PB Service Manual (207 pages)
Brand:
HEIDENHAIN
| Category:
Measuring Instruments
| Size: 2.51 MB
Table of Contents
Table of Contents
4
1 How to Use this Service Manual
6
2 Integrated Monitoring System
7
3 Minor Error Messages
9
Causes of Minor Error Messages
10
4 Blinking Error Messages and Their Causes
13
General Error Messages
14
PLC Editor
16
Position Encoder Interface
24
Speed Encoder Interface
24
Analogue Axes
24
Digital Axes
25
5 Hardware Components of TNC 426.B/430.A
33
6 Logic Unit le 426CB/430CA
34
Logic Unit le 426PB/430PA
35
Hardware Components of the Logic Unit le 426.B/430.A
36
7 Connector Designations and Pin Layouts
37
Connectors on the Logic Unit le 426.B/430.A
37
Connectors on the PLC I/O Boards
63
Connectors on the Keyboard Units
72
Connectors on the Visual Display Unit
74
Connectors on the Interface Board
77
Connectors on the Machine Operating Panel MB 420
78
8 Grounding Diagram
79
9 Block Diagrams
80
Basic Circuit Diagram of Motor Control
80
Block Diagram of Control Loop
81
Detailed Block Diagram of Digital Axis
82
10 Board Description
83
11 Power Supply
84
Requirements to the External Power Supply
84
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 Part
93
Buffer Battery
95
INFO Menu
96
12 Keyboard Unit te 401B/420
97
Overview
97
Checking the Keyboard Unit
98
13 Visual Display Units
108
Checking the Visual Display Unit BC 110B
108
Checking the Visual Display Unit BC 120
109
Checking the Visual Display Unit BF 120
111
14 Encoder Interface
112
Position Encoder Circuit
112
Speed Encoder Circuit
115
Electrical Inspection of an Encoder
117
15 Serial Handwheels
119
Handwheel HR 130/330
119
Handwheel HR 332
121
Handwheel HR 410
121
Error Messages
125
500 D Touch Probes
126
Overview
126
Error Messages
128
17 File Management of TNC 426.B/430.A
131
Structure of the Hard Disk
131
TNC Partition (TNC:\)
132
PLC Partition (PLC:\)
134
Compiling the PLC Program
136
Calling the PLC Error Table (X.pet) for Diagnosis
137
Generating a Cross-Reference List for Diagnosis
138
Calling the Active Machine Parameter List
139
18 Data Interfaces
140
Operating Modes of the Data Interfaces
140
Machine Parameters for the Data Interfaces
142
Error Messages
143
Wiring Diagram of the Data Interfaces
145
19 Data Input and Output
147
Data Transfer Menu
147
File Overview TNC 426.B/430.A
148
Data Output
148
Data Input
152
20 Interface to the Servo Amplifier
156
Nominal Value Output to Servo Amplifier (Analogue/Digital)
156
Analogue Speed Nominal Value Interface at Connector X8/X9
157
Digital Interface to the Servo Amplifier, Connectors X51 - X56/X61
160
Switching over the Position Display for Servicing
162
Adjustment of the Feed Rate at the Servo Amplifier
163
Offset Adjustment
164
Integrated Oscilloscope
166
21 PLC Interface
170
Specifications
170
Checking the PLC Inputs and Outputs
171
Diagnosis in the PLC Mode
174
Output "Control Is Ready" and Acknowledgement for Test "Control Is Ready
178
Non-Volatile PLC Markers and Words
183
22 Tests Units
185
Universal Measuring Adapter
185
Encoder Diagnostic Set
187
Drive Control Generator (DCG)
189
23 Exchange Instructions
192
Important Notes
192
Exchanging the NC Software PGM No. 280 470 - 473
193
Backing up Hard-Disk Data
202
Exchanging the Logic Unit
203
Exchanging the Hard Disk
206
24 Machine Parameter List
207
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