HEIDENHAIN TNC 306 Service Manual - Manual (Page 3)

SERVICE MANUAL TNC 306/360
Page 1
HEIDENHAIN Service
Table of Contents
Page
1. How to use this Service Manual ........................................................ 3
2. Minor Error Messages ........................................................................... 4
2.1 Causes of Minor Error Messages ................................................................ 5
3. Major Error Messages and their Causes .......................................... 6
4. Hardware Components TNC 306/360 .............................................. 12
5. LOGIC UNIT LE 360/C........................................................................... 13
5.1 Designation of the LOGIC UNIT LE 360/C.................................................. 13
5.2 Hardware Components of the LOGIC UNIT LE 360/C................................ 14
6. Connector Designation and Pin Layout.......................................... 15
6.1 Connectors on the LOGIC UNIT LE 360/C.................................................. 15
6.2 Connectors on the PLC I/O Board .............................................................. 20
6.3 Connectors on the Keyboard Units TE 355 A/B.......................................... 23
6.4 Connectors on the Visual Display Units...................................................... 25
7. Grounding Diagram .............................................................................. 27
8. Power Supply ......................................................................................... 28
8.1 External Power Supply Requirements ........................................................ 28
8.2 Power Supply of the Visual Display Units................................................... 29
8.3 Power Supply of the NC Part...................................................................... 30
8.4 Checking the Power Supply (Power Supply Unit)....................................... 32
8.5 Power Supply of the PLC ........................................................................... 36
8.6 Buffer Battery ............................................................................................. 38
9. Keyboard Unit TE 355 A/B .................................................................. 39
9.1 Overview .................................................................................................... 39
9.2 Checking the Keyboard Unit ....................................................................... 40
10. Visual Display Units for TNC 306/360 ............................................ 43
10.1 Visual Display Unit BE 212.......................................................................... 43
10.2 Flat Luminescent Screen BF 110................................................................ 45
11. Encoders .................................................................................................. 46
11.1 Error Messages .......................................................................................... 46
11.2 Error Causes ............................................................................................... 46
11.3 Checking the Encoders............................................................................... 46
12. Handwheel HR 130/330 ....................................................................... 48
12.1 Overview .................................................................................................... 48
12.2 Checking the Handwheel HR 130/330........................................................ 48
12.3 Error Messages .......................................................................................... 48