HEIDENHAIN iTNC 530 Service Manual page 4

7.8 Touch Probe Systems ................................................................................................. 150
7.8.1 TS 220 ............................................................................................................... 150
7.8.2 TS 632 ............................................................................................................... 151
7.8.3 TT 130 ................................................................................................................ 153
8 Grounding Diagrams and Block Diagrams ...................................................................... 154
8.1 Grounding Diagram ..................................................................................................... 154
8.2 Basic Circuit Diagrams ................................................................................................ 155
8.3 Block diagram .............................................................................................................. 160
9 Power Supply ..................................................................................................................... 165
9.1 Power Supply for the iTNC 530 ................................................................................... 165
9.2 Power Supply for Control-Is-Ready Signal ................................................................... 170
9.3 Buffer Battery .............................................................................................................. 171
9.4 Info Menu .................................................................................................................... 172
9.5 Power Supply for PLC Outputs ................................................................................... 173
9.5.1 General .............................................................................................................. 173
9.5.2 Power supply for the PLC outputs of MC 422 .................................................. 173
9.5.3 Supply voltage for PLC outputs on the PL 4xx B ............................................... 174
9.6 Power Supply for the Display Units............................................................................. 176
10 TE 420 and TE 530 Keyboard Units ................................................................................ 177
10.1 Front View of the Keyboard Units ............................................................................. 177
10.1.1 TE 420 ........................................................................................................... 177
10.1.2 TE 530 ............................................................................................................ 178
10.2 Checking the Keyboard Unit ...................................................................................... 179
10.3 Key Matrix of the TE 420 Keyboard Unit ................................................................... 181
10.3.1 TE 420 ............................................................................................................. 181
10.3.2 TE 530 ............................................................................................................. 186
10.3.3 Keys on the VDUs ........................................................................................... 196
10.3.4 MB 420 machine operating panel .................................................................... 198
11 Visual Display Units......................................................................................................... 199
11.1 Checking the BC 120F Visual Display Unit ................................................................ 199
11.2 Checking the BC 150 Visual Display Unit .................................................................. 200
12 File Management of iTNC ............................................................................................... 201
12.1 Code Numbers .......................................................................................................... 201
12.2 Where are Which Data in the iTNC? ......................................................................... 201
12.3 TNC Partition (TNC:\) ................................................................................................. 203
12.4 PLC Partition (PLC:\) .................................................................................................. 205
12.5 Machine Parameter Editor......................................................................................... 207
12.6 Switching the Position Display for Service Purposes ................................................ 209
13 Encoder Interface ............................................................................................................. 211
13.1 Position Encoders Circuit .......................................................................................... 211
13.2 Speed Encoders Circuit ............................................................................................. 213
13.3 Checking Position and Speed Encoders .................................................................... 215
13.4 Traverse with Indirect Distance Measurement (Emergency Operation)
.......................................................................................................................................... 216
14 Reference Marks .............................................................................................................. 217
14.1 Definition ................................................................................................................... 217
14.2 Traversing the Reference Marks ............................................................................... 217
HEIDENHAIN Service Manual iTNC 530