65 
 
Press    to display A1-05 setting.   
Press    or    to  set  the  password.  (1234  is  an 
example)   
Press    to display A1-05 setting. 
”LtH”is displayed when entering A1-05 setting.   
 
Table 6.2.2 Password Entering Steps 
Press    to  enter  A1-04  setting.  “nULL”is  not  displayed 
anymore as the password has been set.   
Press    or    to  enter  the  correct  password.  (1234 
is an example) 
The  display  leaves  A1-04  setting  automatically  as  the  parameters  are 
unlocked.   
 
 
  A1- 06  ND/HD Selection 
The drive has two duty modes for the load characteristics, heavy duty (HD) mode and normal 
duty (ND) mode. The drive rated current and overload tolerance will change based on the duty 
mode selection. Choose the suitable mode in A1-06 according to the application.   
The  HD  mode  provides  150%  overload  for  1  minute whereas  the  ND mode  provides  120% 
overload for 1 minute. Refer to the drive specifications for details.   
 
Table 6.3 Differences between Heavy Duty and Normal Duty