Heidenhain TNC 306 Technical Manual Manual do Utilizador Página 201
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2/97 TNC 406/TNC 306 8 Key simulation 4-101
8 Key simulation
Data entry on the HEIDENHAIN contouring controls are made with the TNC keyboard and the
manufacturer's own machine control panel. The two control panels are joined to connectors X23 and
X27 (LE 306) or X45 and X46 (LE406) on the logic unit by a connecting cable (see "Mounting and
Electrical Installation").
The key-code from the TNC-keyboard is directly evaluated by the NC. PLC inputs and outputs for the
machine-control panel are available on connector X27 or X46. These PLC inputs and outputs must be
evaluated by the PLC and the appropriate information passed to the NC.
8.1 TNC-keyboard
The key-code from the TNC-keyboard is directly evaluated by the NC.
The keys on the TNC-keyboard and the soft keys on the BC 110 B can be inhibited by the PLC. With
M2876 the entire alphabetic keyboard can be inhibited. M2877 inhibits the soft-key row and M2878
inhibits the changeover keys to the right of the screen. All other keys can be inhibited selectively
with M2854 to M2923. If an inhibited key is pressed, the NC sets the marker M2182 and deposits
the key-code for the key which was operated in word W274. If a not inhibited key is pressed, the NC
sets the marker M2181 and deposits the key-code for the key which was operated in word W274.
The PLC must reset the markers M2182 or M2181 after evaluating this information.
The keys on the TNC-keyboard and the soft keys on screen can also be simulated by the PLC. To
achieve this the appropriate key-code is entered in Word W516 and activated by the strobe-marker
M2813. After execution of the key-code the NC resets the strobe-marker M2813.
A fixed code has been introduced for certain soft key functions. As with key simulation, this function
is executed by entering the required code in W516 and activating with M2813. The appropriate soft
key function must be displayed in the foreground or background mode for this. With the trailing edge
of M2813 the PLC is told whether the function was properly executed.
Address Function Set Reset
W272 Operating mode
1 = Manual operation
2 = Electronic handwheel
3 = Positioning with manual entry
4 = Program run/single block
5 = Program run/full sequence
7 = Pass over reference point
NC NC
W274 Key-code for the operated, inhibited key or
not inhibited key
NC NC
W516 Word with multiple-function
Key-code for simulating TNC-key
activated by M2813
PLC PLC
M2181 not inhibited key was operated NC PLC
M2182 Inhibited key was operated NC PLC
M2187 Soft key function not executed NC NC
M2813 Activate the key from W516 PLC NC
M2876 Inhibit the alpha keyboard PLC PLC
M2877 Inhibit the soft-key row below the screen PLC PLC
M2878 Inhibit the changeover keys at right of screen PLC PLC
- Technical Manual 1
- Introduction — Contents 4
- Hardware concept 5
- Software 11
- Heat generation and cooling 22
- Logic unit 24
- Overview of connections 28
- NC power supply 33
- PLC power supply 34
- Buffer battery 36
- Danger of electrical shock! 39
- Grounding plan TNC 406 40
- Grounding plan TNC 306 41
- Do not use Do not use 46
- Connector assignment 49
- Do not use 54
- RS 422/V.11 data interface 59
- Connector assignment 66
- LE 416/LE406 X41 67
- LE 306 X21 67
- LE416/LE 406 connector X46 73
- LE 306 connector X27 73
- Not used 75
- Cable overview TNC 406 78
- Cable overview TNC 306 79
- R 2.76" 86
- .236"±.008" 87
- LE 360 C 88
- Frontplattenausschnitt 89
- FRONT PANEL OPENING 89
- TE 355 B 90
- .02" 92
- Input/Output boards PL 410B 93
- 1.890" 94
- Handwheel knobs 95
- Knob, small 95
- Knob, large 96
- Knob, ergonomic 97
- 13.031" 98
- 12.244" 98
- Cable adapter 99
- Adapter RS–232–C and RS-422 100
- 1 Machine axes 105
- 1.1 Measuring systems 105
- 1.1.1 Signal period 105
- 1.1.2 Direction of traverse 107
- 1.1.3 Encoder monitoring 108
- 1.2 Axis designation 110
- 1.2.1 Assignment 111
- 1.2.2 Current tool axis 112
- 1.3 VDU display 112
- 1.4 Software limit switch 113
- 1.5 Lubrication pulse 116
- 1.6 Axis error compensation 118
- 1.7 PLC positioning 124
- 2 Reference marks 127
- MP1350.x = 0 130
- MP 1350.x = 1 132
- 2.2 Machine datum 134
- 3.2 Control with lag 139
- 3.3 Offset adjustment 144
- 3.4.1 Radial acceleration 145
- 3.5 Monitoring functions 146
- 3.5.3 Movement monitoring 147
- 3.5.4 Standstill monitoring 148
- 3.5.5 Positioning window 148
- 3.6 Controlled axes 150
- 3.6.2 Axis enable 151
- 3.6.3 Axes in position 152
- 3.6.4 Open control loop 153
- 4 Gap control 156
- 4.2 Short Circuit Behavior 159
- 4.4 Arc recognition 160
- 4.5 Free run and spark-out 161
- 4.6 Flushing the gap 161
- 4.7 Eroding parameters 162
- 4.7.4 Servo sensitivity (SV) 166
- 5 EMERGENCY STOP routine 171
- 5.1 Connection diagram 172
- 5.2 Flow diagram 173
- Workpiece datum 176
- Scale datum 176
- RM = Reference mark 176
- Machine datum 176
- Example: 179
- 6.3 Status window 180
- 6.3.2 Feed rate display 182
- 6.3.5 Control operational 184
- 6.3.6 Cancel status display 184
- 6.6 Error messages 185
- 6.7 Cycles 186
- 6.7.1 Cycle inhibit 186
- 6.7.2 Cycle Scaling factor 187
- 6.7.3 Disk Cycle 187
- 6.8 User-parameters 188
- 6.9 Code-numbers 189
- 6.10 Programming station 189
- 6.11 Decimal sign 189
- 6.12 Memory test 190
- 6.14 Restore position 190
- 6.15 Overwrite Q-parameters 191
- 6.16 Color adjustment 191
- 7 M-functions 193
- 7.3 Program-halt on M06 199
- 7.4 M-function M89 199
- 8 Key simulation 201
- 8.1 TNC-keyboard 201
- 08 00 0901 02 03 04 05 06 07 204
- 8.2 Machine control panel 210
- 9 Short circuit/probing 212
- 9.2 Successive probing 214
- 9.3 Manual probing 214
- 10 Handwheel 217
- 11 Analog inputs 220
- 12 Jog increment positioning 222
- 13 Datum correction 225
- 14 Electrode changer 227
- 14.2 PLC program example 228
- Rough offset adjustment 238
- Rough velocity adjustment 238
- Tuning of the drive amplifier 238
- Several overshoots 239
- Incorrect! 239
- 240
- 240
- 15.3.7 Offset adjustment 247
- Machine parameters — Contents 249
- [mm or °] 256
- Positioning 259
- Operation with servo lag 261
- Integral PLC 265
- Reserved 267
- Color adjustment 272
- Machining and program run 273
- Hardware 275
- List of Markers 278
- PLC Programming — Contents 291
- Transferring the PLC-program 301
- Module technique 303
- Counters 310
- Run-time errors 314
- LOAD NOT (LN) LN 318
- ASSIGN (=) = 323
- RESET (R) R 329
- SET NOT (SN) SN 330
- RESET NOT (RN) RN 331
- AND NOT (AN) AN 335
- OR NOT (ON) 339
- EXCLUSIVE OR (XO) 341
- EXCLUSIVE OR NOT (XON) XON 343
- SUBTRACTION (–) – 347
- MULTIPLICATION (x) x 348
- DIVISION (/) / 349
- REMAINDER (MOD) MOD 350
- LESS THAN (<) < 353
- GREATER THAN (>) > 354
- UNEQUAL (<>)<> 357
- BIT RESET (BC, BCX) BC 375
- BIT TEST (BT, BTX) BT 376
- Commands for STRING Execution 390
- LOAD (L) 391
- INDEX-Register 398
- Display String (Module 9082) 408
- PLC Positioning (Module 9221) 412
- Data Interface — Contents 414
- 1 Introduction 416
- 1.1.1 Serial/parallel 417
- MSB LSB 418
- 1.1.3 Checking data 420
- 1.1.4 Data transfer rate 421
- 1.2 Handshaking 422
- 1.2.1 Hardware handshaking 422
- 1.2.2 Software handshaking 422
- 2 TNC data interfaces 423
- 2.1 General 423
- 2.2 RS-232-C/V.24 interface 423
- 2.2.1 Hardware 423
- 2.2.2 Signal levels 424
- 2.2.3 Signal designation 424
- 2.2.4 Pin layouts 426
- 2.3 Data interface functions 427
- 2.3.1 Saving/reading files 427
- 2.5 Interface configuration 435
- RS-232-C 437
- Adapter block 437
- Peripheral unit 437
- 2.6 External programming 439
- 3.1 General 441
- 4 Data transfer with BCC 447
- 4.1 General 447
- 6 Error messages 453
- 6.1 TNC error messages 453
- User cycles — Contents 456
- 1 Creating user cycles 457
- 2 Dialogs for user cycles 463
- 3 Output in binary code 464
- 5 User cycles in NC programs 466
- 7-Bit ASCII code 467
- Subject index 471
- Update Information No. 15 480
- Update Information No. 14 486
- Update Information No. 13 489
- Update Information No. 12 496
- Filing instructions 499
- Update Information No. 11 500
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