Lenze 8400 - Page 6

Contents
6 Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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5.9.3 Basic settings _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 238
5.9.3.1 Parameterising the encoder/feedback system _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 239
5.9.4 Optimising the control mode _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 240
5.9.4.1 Optimise current controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 241
5.9.4.2 Optimise speed controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 242
5.9.4.3 Optimise response to setpoint changes and determine mass inertia _ _ _ _ 245
5.9.4.4 Setting the current setpoint filter (band-stop filter) _ _ _ _ _ _ _ _ _ _ _ _ _ 248
5.9.4.5 Adapting the max. acceleration change (jerk limitation) _ _ _ _ _ _ _ _ _ _ 249
5.9.4.6 Slip calculation from motor equivalent circuit diagram data _ _ _ _ _ _ _ _ 250
5.9.4.7 Optimising the behaviour of the asynchronous motor in the field weakening range
252
5.9.4.8 Feedforward control of the current controller _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 257
5.10 Parameterisable additional functions _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 258
5.10.1 Selection of switching frequency _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 258
5.10.2 Operation with increased rated power _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 262
5.10.3 Flying restart function _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 264
5.10.4 DC-injection braking _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 267
5.10.4.1 Manual DC-injection braking (DCB) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 268
5.10.4.2 Automatic DC-injection braking (Auto-DCB) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 268
5.10.5 Slip compensation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 271
5.10.6 Oscillation damping _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 272
5.10.6.1 Oscillation damping voltage range _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 273
5.10.6.2 Oscillation damping in the field weakening range _ _ _ _ _ _ _ _ _ _ _ _ _ _ 274
5.10.7 Phase sequence reversal for correcting misconnected UVW motor phases _ _ _ _ _ _ _ _ 275
5.11 Encoder/feedback system _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 276
5.11.1 Parameterising digital inputs as encoder inputs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 280
5.11.2 Generation of the actual speed value _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 281
5.11.3 HTL encoder at DI1/DI2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 282
5.11.4 HTL encoder at DI6/DI7 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 284
5.12 Position control/additive speed specification _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 285
5.13 Braking operation/brake energy management _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 286
5.13.1 Setting the voltage source for braking operation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 289
5.13.2 Selecting the response to an increase of the DC-bus voltage _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 289
5.13.2.1 Inverter motor brake _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 291
5.13.3 Avoiding thermal overload of the brake resistor _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 294
5.13.4 Control of multiple internal brake choppers in the DC-bus system _ _ _ _ _ _ _ _ _ _ _ _ 294
5.14 Monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 297
5.14.1 Device overload monitoring (Ixt) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 298
5.14.2 Motor load monitoring (I2xt) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 299
5.14.3 Motor overcurrent monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 301
5.14.4 Motor temperature monitoring (PTC) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 302
5.14.5 Brake resistor monitoring (I2xt) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 303
5.14.6 Motor phase failure monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 305
5.14.7 Motor phase error monitoring before operation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 306
5.14.8 Mains phase failure monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 308
5.14.9 Maximum current monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 308
5.14.10 Current monitoring for overload _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 309
5.14.11 Maximum torque monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 310
5.14.12 Motor speed monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 310
5.14.13 Encoder open-circuit monitoring _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 311
5.15 Internal interfaces | System block "LS_MotorInterface" _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 312
5.16 Internal status signals | System block "LS_DeviceMonitor" _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 319