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7Applications
7.22 Winding drive for rewinder/unwinder
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 213
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Description Indirect tension control via the
drive torque with disturbance com-
pensation (friction, acceleration).
Closed-loop torque-controlled
mode with a higher-level trac-
tion control loop and distur-
bance compensation (friction,
acceleration). Actual value of
tensile force is detected via sen-
sor in web.
Closed-loop speed-controlled
mode with a higher-level traction
control loop and disturbance
compensation (friction, accelera-
tion). Actual value of tensile force
is detected via sensor in web.
Tension control via dancer. Speed-control-
led and position-controlled operation of
the drive. Further tasks of the dancer: de-
tection of the actual position. Web accu-
mulator for the compensation of
eccentricities of the reel (e.g. in the case of
unwinders) and discontinuities.
The tensile force is determined by the
upstream system. The winder acts as
master in the drive system and conveys
material at a constant circumferential
speed. Closed-loop control of the cir-
cumferential speed and speed.
Application area Universal, cost-effective winding
procedure for low to high require-
ments with regard to tensile force
quality and tensile force profile.
Winding procedure for high re-
quirements with regard to ten-
sile force quality and tensile
force profile.
Winding procedure for high re-
quirements with regard to tensile
force quality and tensile force
profile.
Universal, cost-effective winding proce-
dure for low to high requirements with re-
gard to tensile force quality and tensile
force profile. Well suited for eccentric
reels, e.g. in the case of unwinders.
Unwinders for slitting lines.
Control system
SC
Rewinder/unwinder
+++ + +
VFCplus without encoder
Rewinder/unwinder
––– 0 0
SLVC
Rewinder
+–– 0 +
Unwinder
––– – –
VFCplus with encoder
Rewinder
0–– 0 0
Unwinder
––– 0 0
VFCplus eco
Rewinder/unwinder
––– – –
+ Well-suited SC Servo control
0 Suitable with restrictions VFCplus V/f control
– Not suitable VFCplus eco V/f control with energetically optimised field injection in the partial load operational range
1)
Comparison of tension-controlled winder control modes ( 214) SLVC Sensorless vector control
Tension control (M) Tension control (M)
1)
Tension control (n)
1)
Dancer position control (n) Velocity control (n)
- Drive Solution 1
- Designer 1
- Contents 10
- 1 Notes on usage 11
- 2 About this documentation 14
- Pictograph and signal word! 17
- 3User interface 18
- How to sort the results: 35
- How to filter results: 35
- How to open created notes: 38
- How to delete notes: 38
- 4.3.1 Messages 44
- 4.3.2 Software updates 45
- 4.4 Language 46
- 4.5 Settings 46
- 4.5.3 "Help" tab 47
- 4.5.5 "Units" tab 48
- User data 50
- Registration data: 50
- 4.6 User-specific settings 51
- 4.6.1 User-defined defaults 51
- 5Managing projects 52
- 6 Drive dimensioning tools 55
- 7Applications 100
- Mass calculator ( 405) 109
- Danger! 122
- Pole pair 191
- 8 Motion design 224
- symbol in the toolbar 225
- CINH = 1 271
- 9 Mains and environment 277
- ( 283) 282
- ( 285) 282
- ( 286) 282
- 10.1 Mechanical drive axis 283
- 10.1.1 Lenze gearbox 283
- 10.1.3 Feedback 284
- 10.2 Electrical drive axis 285
- 10.3 Drive concept 286
- 10.3.1 Gearbox features 287
- 10.3.1.1 Axial gearbox 287
- 10.3.1.2 Right-angle gearbox 288
- 10.3.2 Motor properties 289
- 10.3.4 Inverter properties 294
- 10.3.4.1 Frequency inverter 294
- 10.3.4.2 Servo inverters 296
- 11 Drive Dimensioning 308
- 12 Components in the DC bus 361
- 13 Details on Lenze products 377
- 14 Energy efficiency 378
- 15.1 Drawing 386
- Editing functions 389
- 15.2 Results 390
- 15.3 Protocols 391
- 15.3.1 Summarised protocol 391
- 15.3.2 Detailed protocol 391
- 15.3.3 Commissioning data 392
- 15.3.5 Output settings 393
- 15.4.1 Application Tuner 394
- 15.4.3 BlueGreen 394
- ( 378) 395
- 15.6.1 Dynamic reserves 396
- 15.6.2 Stationary reserves 396
- 15.6.3 Speed reserves 397
- 15.6.7 Reserves for gearboxes 399
- 16 Auxiliary means 401
- How to call the calculator: 404
- How to call the DSC: 425
- 17.1 Field weakening 426
- 17.5 Feedback systems 427
- Measured values 430
- 17.16 System disturbances 435
- [17-6] Group drives 436
- 17.19 ATEX for gearbox 437
- 17.21 Emergency-off scenarios 438
- 18.1 Applications 441
- 18.2 Drive system 445
- 18.3 Additional drive element 449
- 18.4 Lenze gearbox 450
- 18.5 Lenze motor 455
- 18.5.6 Motor speed too low 456
- > as winding ratio q 460
- 18.6 Brake 461
- 18.6.3 No brake available 461
- 18.7 Feedback 463
- 18.7.2 No feedback selected 463
- 18.8 Inverters 465
- 18.8.16 Activate VVC control 469
- 18.8.19 Mains choke required 470
- 18.10 Supply module 476
- 18.11 Brake chopper 479
- 18.12 Brake resistor 481
- 18.13 User motor 483
- ( 42) 485
- ( 46) 485
- 20 Glossary 486
- )(('%$& 494
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