HEIDENHAIN TNC 320 Service Manual

Edition January 2008,
Service Manual HEIDENHAIN TNC 320;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your compact and versatile – the right control for milling, drilling and boring machines.
You can print, zoom or read any diagram, picture or page from this manual. Every chapter on this manual is fully detailed and contain trouble codes, maintenance procedures, reset procedures, diagnose procedures of TNC 320.
To see what contain, please read table of contents:

1) Safety Precautions
2) How to Use this Service Manual
2.1 About this Manual
2.2 Other Documentation
2.3 Support
2.4 Safety

3) Code Numbers
3.1 Introduction
3.2 Overview
3.3 Notes on Entering the Code Numbers

4) Error Messages
4.1 Introduction
4.2 Error Window
4.3 List of NC Error Messages

5) Errors
5.1 Introduction
5.2 Overview of Possible Errors

6) Procedures and Tips for Error Diagnosis
6.1 Introduction
6.2 Sequence for Finding Errors in the Control Loop
6.3 Error Localization by Process of Interchange
6.4 Error Localization by Process of Exclusion
6.5 Notes and Tips

7) Logs and Service Files
7.1 General
7.2 Calling the Logs
7.3 Settings for the Logs
7.4 Saving Service Files
7.5 Evaluating the Service Files

8) Diagnosis with the Online Monitor (OLM)
8.1 Introduction
8.2 OLM Operation
8.3 Screen Layout
8.3.1 Variable display
8.3.2 Units
8.3.3 Status display
8.4 Using the OLM for Troubleshooting

9) Integrated Oscilloscope
9.1 Introduction
9.2 Activation and Settings
9.3 Recording Signals
9.4 Analyzing Recordings
9.5 Saving and Loading Recordings

10) PLC Diagnostics
10.1 Introduction
10.2 Diagnosis Options in the PLC Mode
10.2.1 The API DATA Function
10.2.2 The WATCH LIST Function
10.2.3 The TABLE Function
10.2.4 The TRACE Function
10.2.5 PLC Diagnostics with the Integrated Oscilloscope
10.3 The COMPILE Function
10.4 Calling the PLC Error Table for Diagnosis
10.5 Overviews
10.6 Specifications
10.6.1 PLC Inputs
10.6.2 Analog Inputs
10.6.3 Inputs for Pt 100 Thermistors
10.6.4 PLC Outputs

11) Memory Card and File Manager of the TNC 320
11.1 Introduction
11.2 Memory-Card Test
11.3 Setting the System Time
11.4 File Management in the TNC Partition
11.5 File Management in the PLC Partition

12) Data Backup
12.1 Introduction
12.2 Connection Setup
12.2.1 Via USB
12.2.2 Via Ethernet
12.2.3 Via serial interface RS 232/V.24
12.3 Reading In/Out Files and Directories
12.4 Data Backup on External Data Medium
12.5 Extracting Files from the Backup File
12.6 Restoring Data
12.7 Cable Overview
12.7.1 Ethernet Interface RJ45 Connection
12.7.2 RS-232-C / V.24

13) Important Features of HEIDENHAIN Components
13.1 Hardware Identification
13.2 Display of System Information

14) Connector Designations and Layouts
14.1 Important Note
14.2 MC 320
14.2.1 Designation and Position of Connectors
14.2.2
14.3 Encoders
14.4 Touch Probe Systems
14.5 Handwheels
14.5.1 HR 410 Portable Handwheel
14.5.2 HR 130 Panel-Mounted Handwheel
14.6 PLC Input/Output Units
14.6.1 Designation and Position of Connectors
14.6.2 PL 510 Pin Layout
14.7 Machine Operating Panel
14.7.1 Designation and Position of Connectors on MB 420
14.7.2 Pin Layouts on MB 420

15) Power Supply
15.1 Power Supply for MC 320
15.2 Power Supply for Control-Is-Ready Signal
15.3 Buffer Battery
15.4 Power Supply for PLC Outputs
15.4.1 General
15.4.2 Supply Voltage for PLC Outputs on MC 320
15.4.3 Supply Voltage for PLC Outputs on the PL 4xx B
15.4.4 Supply Voltage for PLC Outputs on PL 510

16) Encoder Interface
16.1 Position Encoders
16.1.1 Introduction
16.1.2 Configuration Data
16.1.3 Possible Causes of Errors
16.1.4 Error Codes for Encoders with EnDat Interface
16.1.5 Troubleshooting
16.1.6 Corrective Action
16.1.7 Resetting the Machine Datum
16.1.8 Resetting the Spindle Orientation
16.1.9 Investigating Position Encoders
16.2 Speed Encoders

17) Reference Run
17.1 Definition
17.2 Traversing the Reference Marks
17.3 Possible Causes of Errors
17.4 Deselecting Referencing of Axes

18) Checking the Enables on TNC 320
18.1 General
18.2 Examination
18.2.1 Checking the EMERGENCY STOP chain
18.2.2 Checking the Readiness of the Analog Servo Drives
18.2.3 Checking PLC Operands of the “Axis” Group
18.2.4 Checking PLC Operands of the “Spindles” Group

19) Interface to the Analog Drives
19.1 Introduction
19.2 Configuration Data
19.3 Specifications
19.4 Possible Causes of Errors
19.5 Troubleshooting
19.5.1 Observing the Analog Voltage
19.5.2 Using a Battery Box
19.5.3 Switching the Analog Channels
19.6 Adjusting the Electrical Offset
19.7 Speed Adjustment at Servo Amplifier
19.8 Switching the Position Display for Service Purposes

20) Flat-Panel Display
20.1 Introduction
20.2 Possible Causes of Errors
20.3 Troubleshooting
20.4 Corrective Action

21) Operating Keys and Potentiometers
21.1 Introduction
21.2 Possible Causes of Errors
21.3 Checking the Keys
21.4 Checking the Potentiometers
21.5 Key Matrix of MC 320
21.6 Corrective Action

22) Machine Operating Panel
22.1 Introduction
22.2 Possible Causes of Errors
22.3 Checking the Power Supply
22.4 Checking the Keys
22.5 Checking the Outputs
22.6 Corrective Action

23) Handwheel
23.1 Introduction
23.2 Possible Causes of Errors
23.3 Error Diagnosis at HR 410 Portable Handwheel
23.4 Deselecting the HR 410 Portable Handwheel
23.5 Error Diagnosis at Panel-Mounted Handwheels
23.5.1 Checking the Switches
23.6 Corrective Action

24) Touch Probe
24.1 Introduction
24.2 Possible Causes of Errors
24.3 Checking TS 220, TS 440 and TS 640
24.4 Corrective Action

25) Exchange of HEIDENHAIN Components
25.1 Important Information
25.2 Exchanging MC 320
25.3 Exchanging the CFR Memory Card
25.4 Replacing the Buffer Battery
25.5 Replacing the Potentiometers
25.6 Exchanging Keyboard Components
25.7 Exchanging Components of the Machine Operating Panel
25.8 Exchanging Other HEIDENHAIN Components

26) Loading of Service Packs
26.1 Introduction
26.2 Preparations and Execution

27) Inspection and Testing Equipment
27.1 Important Notes
27.2 Test Adapter
27.3 Universal Measuring Adapter
27.4 PWM 9 Encoder Diagnostic Set
27.5 PWT 10/17/18 Mounting Aid
27.6 IK 215 Adjusting and Testing Package
27.7 Battery Box

28) Machine Parameters
28.1 Explanation
28.2 The Configuration Editor

1 Annex: Monitoring Functions
1.1 Introduction
1.2 During Start-Up
1.3 During Operation
1.4 EMERGENCY STOP Monitoring
1.5 Position or Following-Error Monitoring
1.6 Movement Monitoring
1.7 Standstill Monitoring
1.8 Positioning Window
1.9 Temperature Monitoring

2 Annex: Principle of Function of the TNC 320 Control
2.1 Introduction
2.2 Block Diagrams with Brief Explanations
2.3 Basic Circuit Diagrams
2.4 Interchange Possibilities on TNC 320.

TNC 320 TNC-320 TNC320