137 
Inertia  identification  and  internal 
instruction auto-tuning max speed   
Auto-tuning 
setting 
parameters 
auto-tuning min limit position 
auto-tuning max limit position 
auto-tuning  acceleration/deceleration 
time 
 
Note: P2-60~P2-63 are automatically modified in auto-tuning process. Users are not allowed to modify 
them manually. Manual modification may lead to the risk of system runaway. 
 
 
 
6.5 Manual adjustment 
6.5.1 Overview 
error 
counter
Position 
loop gain 
Kp
Speed 
control Kv, 
Ti
Torque 
instruction 
filter Tf
Current 
control
M
PG
Servo motor
encoder
Current loop
Speed loop
Speed 
instruction
Position 
loop
+
-
+
-
+
-
Pulse 
instruction
Upper device Servo unit
Position 
control loop
Speed 
control loop
 
Position control loop diagram (shut down the model loop)