HEIDENHAIN TNC 426 CB Service Manual
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Also See for TNC 426 CB:
- Technical manual (1136 pages) ,
- User manual (362 pages) ,
- Manual (350 pages)
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Summary of Contents for HEIDENHAIN TNC 426 CB
- Page 1 Service Manual TNC 426 CB / PB / M TNC 430 CA / PA / M Oktober 2001 HEIDENHAIN Service-Handbuch TNC 426/430 C/P/M...
- Page 2 Oktober 2001 HEIDENHAIN Service-Handbuch TNC 426/430 C/P/M...
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Page 3: Table Of Contents
4 Overview of Components ....................87 4.1 Standard Components....................87 4.2 Accessories ........................90 5 Important Features of HEIDENHAIN Components ............91 5.1 Hardware Identification ....................91 5.2 Display of System Information ..................94 6 Connector Designation and Layout..................97 6.1 Logic Units........................ - Page 4 8.3 LE 426M / 430M with Simodrive 611D ............... 176 8.3.1 Power supply unit UV 101/B or UV 111 ............. 176 8.4 LE 426M/430M with HEIDENHAIN Inverter ............... 178 8.5 Power Supply to PLC ....................179 8.5.1 Logic unit LE 426.B/430.A ................. 179 8.5.2 Logic unit LE 426M/430M .................
- Page 5 19 Transfer of Files via Data Interface................. 287 19.1 The Data Transfer Menu.................... 287 19.2 Downloading Files from the TNC via Data Interface ..........288 19.3 Uploading Files onto the TNC via Data Interface............289 November 2001 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
- Page 6 21.2 Encoder Diagnostic Set PWM 8 (Id.Nr. 309 956-xx) ..........313 21.3 Drive Control Generator DCG (Id.Nr. 296 737-01) ............. 314 21.3.1 Functional description of DCG controls and displays ........314 21.3.2 Accessories DCG ..................... 316 22 Machine Parameter List ....................319 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
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Page 7: Using The Service Manual
However, support will also be provided by the Service Department at HEIDENHAIN Traunreut or by the nearest HEIDENHAIN agent. You will find the necessary telephone and fax numbers, as well as relevant e-mail addresses, on the back cover of the Service Manual, or on the HEIDENHAIN home page at http://www.heidenhain.de. Note It is extremely important to read also the general safety precautions on the following page, see page 1- 6. -
Page 8: Safety Precautions
NC controlled machine. Improper use can result in serious injury to persons and damage to equipment. HEIDENHAIN can accept no responsibility for direct or indirect damage or injury caused to property or persons through improper use or incorrect operation of the machine. -
Page 9: Integral Monitoring System
Integral Monitoring System Introduction The TNC has a comprehensive integral monitoring system for prevention of input or operation errors, as well as for identification and diagnosis of technical errors on the TNC and the connected units. The monitoring system is an integral component of the TNC hardware and software and is active as long as the control is switched on. -
Page 10: Error Messages
Reset error message with END BLOCK key or main On/Off switch All axes must be referenced Operating-system error message (white letters on black background) with Reset Error type: HEIDENHAIN FATAL ERROR ... Deceleration of axes at current limit TNC keyboard disabled... - Page 11 List of error The error messages are listed in alphabetical order: messages Error message Error Cause of error Corrective action number 3-D comp.: Plane LN block: Calculation of the plane Have the components NX, NY and direction resulted in an error. NZ of the surface normals checked.
- Page 12 7510 and programmed rotary axis, is not following. configured. Axis configuration 2696 The safe inputs for the axis Inform your service agency. configurations are not equal to 0 V. not equal 0 2 – 10 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
- Page 13 Error message Error Cause of error Corrective action number Axis module %.2s 2874 No pulse release for the power Inform your service agency. supply unit not ready Check the control and cabling of Uz too high the pulse release. 5-V power supply too weak Check Uz Inverter is not ready for operation With non-energy recovery power...
- Page 14 Arithmetical error in Calculation of an APPR or DEP Check the input values. block in a part-program resulted in If necessary change the starting APPR/DEP an arithmetic error. point. 2 – 12 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
- Page 15 Error message Error Cause of error Corrective action number Arithmetical error in Calculation of an APPR or DEP Check the input values. block before or after a helix resulted If necessary change the starting APPR/DEP in an arithmetic error. point. Arithmetical error in Calculation of the approaching or Check the input values.
- Page 16 In a measuring cycle, you entered in To ensure sufficient measuring parameter Q247 an angular step accuracy, enter in Q247 an angular than 5 smaller than 5 degrees. step greater than 5 degrees. 2 – 14 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
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Page 17: Log
Error message Error Cause of error Corrective action number Operating The machine parameters have been Enter new operating parameters. erased and the PLC program is parameters erased missing. Op. state MCU not 2877 The automatic SRG, SBH, and SH Press CE to acknowledge the error operating states of the MCU and message. - Page 18 CCU amplitude too The amplitude of the encoder signal Check the amplitude of the is too small or the signal for encoder signal. small %.2s contamination is active. 2 – 16 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
- Page 19 Error message Error Cause of error Corrective action number Op. state of CCU 2710 The automatic SRG, SBH, and SH Switch on the machine and press operating states of the MCU and CE to acknowledge error message. not equal MCU CCU are compared cyclically.
- Page 20 Inform your service agency. "next_cluster" routine, caused by a software error. File system error 4 1163 Incorrect cluster number in the Inform your service agency. "update_cluster" routine, caused by a software error. 2 – 18 HEIDENHAIN Service Manual TNC 426/430 C/P/M...
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