Lenze 8400 motec User Manual Page 281
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Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05 281
8Basic functions
8.2 Holding brake control
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
8.2.4 Behaviour in case of pulse inhibit
Setting the pulse inhibit causes a load-controlled coasting of the motor until the pulse is enabled
again. In the enabled controller, the pulse can be inhibited e.g. due to a DC overvoltage, DC
undervoltage or the "Safe torque off" request.
The brake response to pulse inhibit can be parameterised under C02582
.
Activate brake immediately when pulse is inhibited
If bit 1 in C02582
is set to "0" (Lenze setting), the brake is controlled to be closed immediately when
a pulse inhibit is set.
Especially in the case of hoist drives, immediate engagement of the brake is absolutely necessary for
safety reasons if the pulse inhibit function of the drive controller has been activated!
Only activate brake below threshold for brake activation
If bit 1 and
bit 3 are set to "1" in C02582, the brake remains released until the lower speed threshold
is reached to avoid an excessive wear of the brake.
• The braking action only takes places due to the friction in the load mechanics.
• The brake will not be applied until the motor speed has reached the threshold for brake
activation. Hence, the function depends on the signal of the speed encoder.
During uncritical operation (horizontal loading condition), delayed brake application may be
required to protect the brake in case of high centrifugal masses.
In case of vertical motion (bit 3 = 0), this function is not active due to safety-related reasons.
Related topics:
Functional settings
( 273)
Switching thresholds
( 274)
Stop!
For parameterising the response to pulse inhibit in C02582, the energy conditions of the
machine should be evaluated first.
The energy stored in the machine can be considerably higher than the permissible
switching energy and thus lead to the destruction of the brake if applied directly!
Note!
Function only possible if speed feedback via the digital input terminals DI1/DI2 is
available. Encoder/feedback system
( 158)
- Inverter 1
- Contents 3
- Danger! 10
- 1 About this documentation 11
- Pictograph and signal word! 14
- ( 199) 18
- Category 25
- Subcategories 25
- Danger! 27
- 2.5 Device identification 29
- 3 Commissioning 30
- 4 Device control (DCTRL) 58
- Power on 69
- Bit 11 Bit 10 Bit 9 Bit 8 71
- 5 Motor control (MCTRL) 100
- How to set the V 102
- Value Unit 103
- DIS code 104
- C00830/4 104
- C00830/5 104
- Efficiency_max 106
- Rated, motor 133
- Rated, FI 133
- ≤ rated motor torque 154
- FreqIn12 158
- Speed controller/ 158
- All data in [1/min] 162
- (Lenze setting) 171
- 6 I/O terminals 181
- (from version 02.00.00) 184
- $SSOLNDWLRQ 192
- $QWULHEVVFKQLWWVWHOOH 192
- $SSOLFDWLRQ 192
- 7 Technology applications 199
- (C00830/7) 204
- (C00830/6) 204
- (C00830/9) 204
- (C00050) 204
- TorqueMotLim 206
- TorqueGenLim 206
- 0.5 %0.5 % 210
- 7.3.5 Internal signal flow 236
- 7.4.1 Functional principle 240
- &75/ 241
- 8Basic functions 262
- Feedforward 282
- Start value 282
- ( 297) 283
- ( 289) 283
- ( 293) 283
- 9.2 LED status display 284
- ( 58) 286
- ( 69) 286
- ( 300) 287
- 9.5 Logbook 289
- 9.5.1 Functional description 289
- ( 290) 290
- 9.6 Monitoring 291
- 9.7 Maloperation of the drive 294
- 9.8.1.1 Error type 297
- 9.8.1.2 Error subject area 298
- 9.8.1.3 Error ID 298
- 814Bit15 07 300
- 9.8.3 Reset error message 301
- 9.8.4 Short overview (A-Z) 302
- 10 Communication 318
- )LHOGEXV 320
- &RPPXQLFDWLRQPRGXOH 320
- 0&,LQWHUIDFH 320
- /3B1HWZRUNB,Q 322
- /3B1HWZRUNB2XW 323
- 11 Parameter reference 324
- Parameter 326
- Data type: _______ 326
- Index: _______ 326
- Data type: UNSIGNED_8 331
- Index: 24573 331
- Data type: UNSIGNED_16 335
- Index: 24568 335
- C00026/1 336
- 11.2 Parameter list 337
- 11.2 Parameter list 338
- Data type: INTEGER_16 339
- Analog terminals 339
- C00026/2 0.0 % AIN2: Offset 339
- 11.2 Parameter list 340
- 11.2 Parameter list 341
- 11.2 Parameter list 342
- 11.2 Parameter list 343
- 11.2 Parameter list 344
- 11.2 Parameter list 345
- 11.2 Parameter list 346
- 11.2 Parameter list 347
- 11.2 Parameter list 348
- 11.2 Parameter list 349
- 11.2 Parameter list 350
- 11.2 Parameter list 352
- 11.2 Parameter list 353
- 11.2 Parameter list 361
- 11.2 Parameter list 362
- 11.2 Parameter list 363
- 11.2 Parameter list 364
- 11.2 Parameter list 365
- 11.2 Parameter list 366
- 11.2 Parameter list 367
- 11.2 Parameter list 368
- 11.2 Parameter list 370
- 11.2 Parameter list 371
- 11.2 Parameter list 372
- Index: 24150 373
- 11.2 Parameter list 376
- 11.2 Parameter list 377
- 11.2 Parameter list 378
- 11.2 Parameter list 380
- 11.2 Parameter list 383
- 11.2 Parameter list 384
- 11.2 Parameter list 385
- 11.2 Parameter list 386
- 11.2 Parameter list 387
- Index: 23954 389
- 11.2 Parameter list 392
- Index: 23875 393
- Index: 23874 394
- 11.2 Parameter list 395
- 11.2 Parameter list 396
- 11.2 Parameter list 397
- 11.2 Parameter list 398
- 11.2 Parameter list 399
- Index: 23742 401
- 11.2 Parameter list 403
- 11.2 Parameter list 404
- 11.2 Parameter list 405
- 11.2 Parameter list 406
- 11.2 Parameter list 407
- 11.2 Parameter list 408
- 11.2 Parameter list 409
- 11.2 Parameter list 410
- 11.2 Parameter list 411
- 11.2 Parameter list 412
- 11.2 Parameter list 413
- Index: 21993 423
- 11.2 Parameter list 424
- 11.2 Parameter list 427
- 11.2 Parameter list 428
- 12 Function library 438
- /B03RWB 439
- Data type 440
- /B16HWB 443
- /B3&75/B 450
- (from version 04.00.00) 452
- C00701/29 471
- C00701/28 471
- C00701/31 473
- C00701/30 473
- /B-RJ&WUO([WHQVLRQB 474
- /6B&RQYHUWB 478
- /6B'LJLWDO,QSXW 480
- /6B&RQYHUWB 481
- /6B&RQYHUWB 483
- /6B'LJLWDO2XWSXW 486
- C00136/1 491
- C00833/14 491
- C00833/15 491
- C00833/16 ... 22 491
- /6B6HW(UURUB 497
- /6B:ULWH3DUDP/LVW 500
- /starter 501
- 13 Application examples 502
- )(('%$& 516
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