User Manual of EL8-RS***F AC Servo
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CHAPTER 6 APPLICATION CASE .......................................................................................................................... 223
6.1 GAIN ADJUSTMENT ............................................................................................................................................... 223
6.2 INERTIA RATIO IDENTIFICATION FUNCTION ................................................................................................................. 226
6.3 EASY TUNING ...................................................................................................................................................... 230
6.3.1 Single parameter tuning .......................................................................................................................... 230
6.3.2 One-click Tuning ....................................................................................................................................... 231
6.4 AUTO GAIN ADJUSTMENT ....................................................................................................................................... 233
6.5 MANUAL GAIN ADJUSTMENT................................................................................................................................... 238
6.5.1 Parameters adjustment under different control modes........................................................................... 240
6.5.2 Gain switching .......................................................................................................................................... 242
6.5.3 3rd gain switching ..................................................................................................................................... 246
6.6 MODEL FOLLOWING CONTROL ................................................................................................................................ 248
6.7 ZERO TRACKING CONTROL ...................................................................................................................................... 249
6.8 FEEDFORWARD GAIN ............................................................................................................................................. 250
6.9 FRICTION COMPENSATION FUNCTION ........................................................................................................................ 253
6.10 SAFETY FUNCTIONS ............................................................................................................................................. 254
6.11 VIBRATION SUPPRESSION ..................................................................................................................................... 259
6.11.1 Mechanical resonance suppression ....................................................................................................... 259
6.11.2 End vibration suppression ...................................................................................................................... 261
6.12 MECHANICAL PROPERTIES ANALYSIS ....................................................................................................................... 262
6.13 POSITION COMPARISON ....................................................................................................................................... 263
6.14 BLACK BOX ........................................................................................................................................................ 270
6.15 FULL CLOSED LOOP CONTROL ................................................................................................................................ 271
6.16 MULTITURN ABSOLUTE ENCODER ........................................................................................................................... 272
6.16.1 Parameters setting ................................................................................................................................. 272
6.16.2 Read absolute position ........................................................................................................................... 273
CHAPTER 7 MODBUS COMMUNICATION ........................................................................................................... 279
7.1 RS232 AND RS485 CONNECTION DIAGRAM. ............................................................................................................ 279
7.2 RS485 COMMUNICATION PORT .............................................................................................................................. 280
7.2.1 Communication parameters and settings ................................................................................................ 280
7.3 MODBUS PROTOCOL ............................................................................................................................................. 281
7.3.1 Read Data 0x03 ........................................................................................................................................ 281
7.3.2 Write multiple data 0x10 ......................................................................................................................... 282
7.4 FREQUENTLY OCCURRED ISSUES AND SOLUTIONS WITH RS485 COMMUNICATION. ............................................................ 283
CHAPTER 8 PR FUNCTIONS ................................................................................................................................. 286
8.1 PR FUNCTIONS INTRODUCTION ................................................................................................................................ 287
8.2 CONTROL PARAMETERS .......................................................................................................................................... 288
8.3 PR MOTION ........................................................................................................................................................ 290
8.3.1 Homing ..................................................................................................................................................... 290
8.3.2 Position limit and emergency stop ........................................................................................................... 295
8.3.3 JOG ........................................................................................................................................................... 295
8.3.4 Path motion ............................................................................................................................................. 296
8.4 PR CONTROL ....................................................................................................................................................... 299
8.4.1 PR module in Motion Studio ..................................................................................................................... 299
8.4.2 Physical I/O .............................................................................................................................................. 301
8.4.3 485 communication ................................................................................................................................. 303
8.4.4 Path trigger .............................................................................................................................................. 304
8.5 PR MOTION ......................................................................................................................................................... 305
8.5.1 Trigger using physical I/O ........................................................................................................................ 305
8.5.2 Control using 485 communication ........................................................................................................... 307