User Manual

Table Of Contents
8 Advanced Digital Motor Controllers User Manual V2.1, December 3, 2020
Operating in Closed Loop Relative Position Mode ................................. 158
Operating in Closed Loop Tracking Mode ............................................... 160
Position Mode Relative Control Loop Description.................................. 160
PID tuning in Position Mode .................................................................. 161
PID Tuning Differences between Position Relative and Position Tracking 162
Loop Error Detection and Protection .................................................... 163
SECTION 12
Closed Loop Count Position Mode ...................................................................... 165
Mode description ................................................................................... 165
Sensor Types and Mounting ................................................................... 166
Encoder Home reference ....................................................................... 166
SSI Sensor Home reference .................................................................. 166
Preparing and Switching to Closed Loop ............................................... 166
Count Position Commands .................................................................... 167
Position Command Chaining .................................................................. 167
Position Accuracy Considerations .......................................................... 168
PID Tunings ............................................................................................ 169
Loop Error Detection and Protection ..................................................... 169
SECTION 13
Closed Loop Torque Mode .................................................................................... 171
Torque Mode Description ..................................................................... 171
Torque Mode Selection, Configuration and Operation ........................... 172
Torque Mode Tuning ............................................................................... 172
Configuring the Loop Error Detection .................................................... 172
Speed Limiting ....................................................................................... 173
Torque Mode Limitations ....................................................................... 173
SECTION 14
Serial (RS232/RS485/USB/TCP) Operation ......................................................... 175
Use and benefits of Serial Communication ............................................ 175
Serial Port Configuration ........................................................................ 176
Connector RS232 Pin Assignment ......................................................... 176
Connector RS485 Pin Assignment ......................................................... 176
Setting Different Bit Rates ..................................................................... 176
Cable configuration ................................................................................ 177
Extending the RS232 Cable ................................................................... 178
Connecting to Arduino and other TTL Serial Microcomputers ............... 178
RS485 Configuration .............................................................................. 180
USB Configuration ................................................................................. 180
TCP Configuration .................................................................................. 180
Command Priorities ............................................................................... 181
Communication Arbitration .................................................................... 181
CAN Commands .................................................................................... 182
Script-generated Commands ................................................................. 182
Communication Protocol Description .................................................... 182
Character Echo ....................................................................................... 182
Command Acknowledgment ................................................................. 182
Command Error ..................................................................................... 182
Watchdog time-out ................................................................................ 183
Controller Present Check ....................................................................... 183