Control Techniques Digitax ST - Page 4

4 Digitax ST Advanced User Guide
www.controltechniques.com Issue Number: 1
5.12 Menu 10: Status and trips ................................................................................................................. 123
5.13 Menu 11: General drive set-up ......................................................................................................... 144
5.14 Menu 12: Threshold detectors, variable selectors and brake control function .................................. 156
5.14.1 Brake control function .............................................................................................................................................. 162
5.15 Menu 13: Position control ................................................................................................................. 166
5.16 Menu 14: User PID controller ........................................................................................................... 176
5.17 Menus 15 and 16: Solutions Module slots ........................................................................................ 181
5.18 Menu 17: Motion Processors ............................................................................................................ 182
5.18.1 Digitax ST Base ....................................................................................................................................................... 182
5.18.2 Digitax ST Indexer and Digitax ST Plus .................................................................................................................. 182
5.18.3 Digitax ST EZMotion ................................................................................................................................................ 194
5.19 Menu 18: Application menu 1 ........................................................................................................... 199
5.20 Menu 19: Application menu 2 ........................................................................................................... 200
5.21 Menu 20: Application menu 3 ........................................................................................................... 201
5.22 Menu 21: Second motor parameters ................................................................................................ 202
5.23 Menu 22: Additional menu 0 set-up .................................................................................................. 208
5.24 32 bit parameters .............................................................................................................................. 209
5.24.1 Drive parameters ..................................................................................................................................................... 209
5.24.2 Solutions Module parameters .................................................................................................................................. 209
6 Serial communications protocol ............................................................................. 210
6.1 ANSI communications protocol ......................................................................................................... 210
6.1.1 Introduction .............................................................................................................................................................. 210
6.1.2 Physical layer and UART ......................................................................................................................................... 210
6.1.3 Reading a parameter ............................................................................................................................................... 210
6.1.4 Writing to a parameter ............................................................................................................................................. 210
6.1.5 Drive address .......................................................................................................................................................... 211
6.1.6 Short commands ..................................................................................................................................................... 211
6.1.7 Summary of control characters ................................................................................................................................ 211
6.2 CT Modbus RTU specification .......................................................................................................... 211
6.2.1 MODBUS RTU ........................................................................................................................................................ 212
6.2.2 Slave address .......................................................................................................................................................... 212
6.2.3 MODBUS registers .................................................................................................................................................. 212
6.2.4 Data consistency ..................................................................................................................................................... 213
6.2.5 Data encoding ......................................................................................................................................................... 213
6.2.6 Function codes ........................................................................................................................................................ 213
6.2.7 Extended data types ................................................................................................................................................ 214
6.2.8 Exceptions ............................................................................................................................................................... 215
6.2.9 CRC ......................................................................................................................................................................... 215
6.2.10 Device compatibility parameters .............................................................................................................................. 215
7 Electronic nameplate................................................................................................ 216
7.1 Motor object ...................................................................................................................................... 217
7.2 Performance objects ......................................................................................................................... 218
8 Performance .............................................................................................................. 220
8.1 Digital speed reference ..................................................................................................................... 220
8.2 Analog reference .............................................................................................................................. 220
8.3 Analog outputs .................................................................................................................................. 220
8.4 Digital inputs and outputs ................................................................................................................. 220
8.5 Current feedback .............................................................................................................................. 220
8.6 Bandwidth ......................................................................................................................................... 220
8.6.1 Speed loop .............................................................................................................................................................. 220
8.6.2 Current loop ............................................................................................................................................................. 220
Index .......................................................................................................................... 221