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HEIDENHAIN Technical Manual TNC 426, TNC 430
6.7 Reference Marks
6.7.1 Definition
The position value (coordinates) of an axis position is defined with respect to
a freely selectable datum. When the axes are moved, the ACTUAL position is
calculated incrementally. If there is an interruption in power, the reference
between the axis position and the position value is lost.
Reference marks
HEIDENHAIN linear encoders are designed with one or more reference marks.
The reference marks identify an axis position at a known distance from the
machine datum. The position of the freely selectable datum is defined with
respect to the machine datum.
The datum and the actual position can be reproduced as soon as the reference
marks are traversed.
HEIDENHAIN recommends position encoders with distance-coded reference
marks. With distance-coded reference marks, the position value can be
reestablished after traverse of a short distance over any two reference marks.
6.7.2 Traversing the Reference Marks
The reference marks must be traversed after any interruption in power:
7
7
7
7
Press the machine START button: The reference marks are automatically
traversed. The sequence of axes is predetermined.
or:
7
7
7
7
Press the machine axis-direction button. The user determines the sequence
of the axes.
After the reference marks have been traversed:
n
The software limit switches are activated.
n
The most recently saved datum and machine datum are reproduced.
n
PLC positioning and positioning with M91 and M92 become possible.
n
The counter is set to zero for axes in an open loop.
Position encoder
Machine table
REF value
0
10 20 30 40
Machine datum
+Z
+X
0
Workpiece
datum
Workpiece
Reference mark
REF value
–44.985
Содержание TNC 426 CB
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Страница 183: ...December 2001 BTS 1x0 Monitor Keyboard Switch 3 101 ...
Страница 187: ...December 2001 Dimensions 3 105 3 23 Dimensions Note All dimensions in mm ...
Страница 190: ...3 108 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 3 LE 426 M LE 430 M Max 6 Axes Weight approx 8 5 kg ...
Страница 191: ...December 2001 Dimensions 3 109 3 23 4 LE 430 M Max 9 Axes Weight approx 9 kg ...
Страница 192: ...3 110 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 5 TE 420 Weight 2 4 kg F Front panel opening M Mounting surface ...
Страница 193: ...December 2001 Dimensions 3 111 3 23 6 MB 420 Weight 0 9 kg F Front panel opening M Mounting surface ...
Страница 194: ...3 112 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 7 BC 120 Weight 14 kg F Front panel opening M Mounting surface ...
Страница 195: ...December 2001 Dimensions 3 113 3 23 8 BF 120 Weight 3 kg F Front panel opening M Mounting surface ...
Страница 196: ...3 114 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 9 BTS 110 ...
Страница 197: ...December 2001 Dimensions 3 115 3 23 10 BTS 120 ...
Страница 198: ...3 116 HEIDENHAIN Technical Manual TNC 426 TNC 430 3 23 11 PL 4xx B Weight 1 5 kg I PLC inputs O PLC outputs ...
Страница 201: ...December 2001 Dimensions 3 119 3 23 14 Handwheels HR 130 Weight approx 0 7 kg ...
Страница 202: ...3 120 HEIDENHAIN Technical Manual TNC 426 TNC 430 HR 150 Weight approx 0 7 kg ...
Страница 203: ...December 2001 Dimensions 3 121 HR 410 ...
Страница 205: ...December 2001 Dimensions 3 123 HRA 110 Weight approx 1 5 kg ...
Страница 206: ...3 124 HEIDENHAIN Technical Manual TNC 426 TNC 430 Control knob for HR 130 and HR 150 ...
Страница 207: ...December 2001 Dimensions 3 125 3 23 15 Touch probe systems TT 130 ...
Страница 209: ...December 2001 Dimensions 3 127 TS 220 Adapter cable for TS 120 TS 220 ...
Страница 210: ...3 128 HEIDENHAIN Technical Manual TNC 426 TNC 430 EA 6x2 Receiver Unit ...
Страница 211: ...December 2001 Dimensions 3 129 TS 632 ...
Страница 212: ...3 130 HEIDENHAIN Technical Manual TNC 426 TNC 430 APE 652 ...
Страница 213: ...December 2001 Dimensions 3 131 ...
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Страница 215: ...December 2001 3 133 3 24 Grounding Diagrams 3 24 1 Grounding diagram TNC 426 CB PB TNC 430 CA PA ...
Страница 216: ...December 2001 3 134 3 24 2 Grounding Diagram for TNC 426 M TNC 430 M with Modular Nonregenerative HEIDENHAIN Inverter ...
Страница 217: ...December 2001 3 135 3 24 3 Grounding Diagram for TNC 426 M TNC 430 M with Modular Energy Recovery HEIDENHAIN Inverter ...
Страница 218: ...December 2001 3 136 3 24 4 Grounding Diagram for TNC 426 M TNC 430 M with HEIDENHAIN Compact Inverter UE 2xx B ...
Страница 219: ...December 2001 3 137 3 24 5 Grounding plan TNC 426 M TNC 430 M with POWERDRIVE Inverter System ...
Страница 225: ...December 2001 3 143 3 25 4 Basic Circuit Diagram for TNC 426 M with HEIDENHAIN Compact Inverter UE 2xx with UV 102 ...
Страница 228: ...December 2001 3 146 3 25 7 Basic Circuit Diagram TNC 426 M TNC 430 M with SIMODRIVE 611D in Single Row ...
Страница 230: ...December 2001 3 148 3 26 Cable Overviews 3 26 1 Cable Overview TNC 426 CB TNC 430 CA Basic Configuration ...
Страница 231: ...December 2001 3 149 3 26 2 Cable Overview TNC 426 PB TNC 430 PA Basic Configuration ...
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Страница 311: ...December 2001 5 1 5 Modules Markers and Words 5 1 Overview of Modules 5 3 5 2 Overview of Markers and Words 5 10 ...
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Страница 329: ...December 2001 Overview of Markers and Words 5 19 ...
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Страница 349: ...December 2001 Machine Axes 6 19 ...
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Страница 381: ...December 2001 Axis Error Compensation 6 51 ...
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Страница 509: ...December 2001 Monitoring Functions 6 179 ...
Страница 551: ...December 2001 Spindle 6 221 ...
Страница 629: ...December 2001 Display and Operation 6 299 ...
Страница 675: ...December 2001 Keystroke Simulation 6 345 ...
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Страница 1114: ...December 2001 DSP Error Messages as of NC Software 280 476 01 10 21 ...
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