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HEIDENHAIN Technical Manual TNC 426, TNC 430
6.13.16 Returning to the Contour
With HEIDENHAIN contouring controls you can resume an interrupted
program at a specified block number by scanning the previous blocks (see
“Mid-Program Startup” in the User’s Manual).
Markers inform the PLC about individual conditions during mid-program
startup (block scan). Depending on these markers you can enable certain
functions such as the axis-direction buttons for MANUAL TRAVERSE.
M4156 is set if the MANUAL TRAVERSE soft key is pressed.
M4157 is set if the RESTORE POSITION soft key is pressed (“Return to
Contour”).
M4158 is set if the RESTORE POS. AT soft key is pressed. M4158 is reset if
the RESTORE POSITION or INTERNAL STOP soft key is pressed.
During the block scan, PLC positioning commands are included in calculation
only if they are also executed. The TOOL CALL block normally causes PLC
positioning commands for tool change. If you want these positioning
commands to be calculated in the block scan:
7
7
7
7
In MP951.x, enter the absolute position with respect to the machine datum.
7
7
7
7
Activate the calculation for the specific axes with MP7450.
With flexible tool-pocket coding in the central tool file (See "Tool Changer” on
page 6 – 400), the change of pocket number in the tool file must be prevented
during block scan if the TOOL CALL blocks are not collected:
7
7
7
7
Set M4542.
The block scan can be interrupted by a programmed STOP or with M06,
whereby you can have the programmed dwell time included:
7
7
7
7
With MP7680, bits 3 and 4, select the parameters for the block scan.
7
7
7
7
With MP7451.x, define the feed rate for returning to the contour.
If an NC program block is interrupted in
Single block mode
or by a STOP block
and the positions of NC axes are changed, the NC program can be restarted
at the changed positions. If in OEM.SYS
STRICTREPOS = YES,
the function for
restoring the position is activated. (See “OEM.SYS” on page 7 – 41)
Note
You must enable these functions through machine parameters.
You must prepare the PLC program accordingly.
Содержание TNC 426 CB
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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 ...
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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 551: ...December 2001 Spindle 6 221 ...
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