Chapter 7 Servo Parameters|ASDA-A&A+ Series 
Revision April 2009    7-11 
Gain and Switch 
Control 
Mode 
Parameter  Name  Function  Default Unit
Pt  Pr  S  T 
Related 
Section of 
User 
Manual 
P2-00 KPP Proportional Position Loop Gain  35  rad/s
{  { 
  6.2.8 
P2-01  PPR  Position Loop Gain Switching Rate  100  % 
{  { 
  --- 
P2-02  PFG  Position Feed Forward Gain  5000 
0.0001
{  { 
  6.2.8 
P2-03 PFF 
Smooth Constant of Position Feed 
Forward Gain 
5 ms
{  { 
  --- 
P2-04  KVP  Proportional Speed Loop Gain  500  rad/s
{  {  {  { 
6.3.6 
P2-05  SPR  Speed  Loop Gain Switching Rate  100  % 
{  {  {  { 
--- 
P2-06  KVI  Speed Integral Compensation  100  N/A
{  {  {  { 
6.3.6 
P2-07  SFG  Speed Feed Forward Gain  0 
0.0001
 
{  {  { 
6.3.6 
P2-26  DST  External Anti-Interference Gain  0  0.001
{  {  {  { 
--- 
P2-27  GCC  Gain Switching Control Selection  0  N/A
{  {  {  { 
--- 
P2-28  GUT  Gain Switching Time Constant  10 
10ms
{  {  {  { 
--- 
P2-29  GPE  Gain Switching Condition  10000
pulse
Kpps
r/min
{  {  {  { 
--- 
P2-31■ 
AUT1 
Auto Mode Responsiveness Level 
44 N/A
{  {  {  { 
6.3.6 
P2-32▲ 
AUT2 
Tuning Mode Selection 
0 N/A
{  {  {  { 
6.3.6 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Explanation of symbols (marked after parameter) 
(★) Read-only register. 
(▲)  Parameter cannot be set when Servo On (when the servo drive is enabled). 
(●)  Parameter is effective only after the servo drive is restarted (after switching power off and on). 
(■)  Parameter setting values are not retained when power is off. 
 
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