Parker Hannifin S.p.A.  - S.B.C. Division                                               HPD N User’s Manual 
 
94 
12. Appendix G: flash information 
 
•  USE b99.15 TO SAVE PARAMETERS 
 
•
  USE b99.14 TO SAVE PLC PROGRAM 
 
•
  TO CHANGE PLC INSTRUCTIONS b99.13 MUST BE AT 0 
 
•
  WHEN CHANGING OPERATING MODE USE b99.11 TO LOAD DEFAULT 
PARAMETERS (b40.2=0) 
 
•
  WARNING, BEFORE CHANGING Pr31 MAKE SURE b40.2=0 
 
•
  SPEED REFERENCE IS LIMITED TO THE VALUE IN Pr32 
 
•
  IN TORQUE CONTROL Pr2 AND Pr3 MUST BE SET TO 1000 
 
•
  TO USE THE ACTIVE OPERATING MODE b40.2 MUST BE SET TO 1 
 
•
  TO USE Pr32 TO CHANGE FEEDBACK RESOLUTION ON THE FLY, DISABLE 
TORQUE COMPENSATION (b42.6=0) 
 
•
  IF YOU CANNOT UPDATE READ/WRITE PARAMETERS FROM THE KEYPAD, 
MAKE SURE b99.7=0. IF b99.7=0, THE PARAMETERS ARE PROBABLY 
MANAGED BY THE PLC PROGRAM.