- Set the parameter restriction level as shown in Table 1.
Table 1. Set Password Restriction Level (P.296) P.296 Setting Restriction of Password Unlock Error P.297 Display 1 to 6 No restriction Always 0 101 to 106 Restricted at fifth error1 Displays error count (0 to 5) - Enter a four-digit number (1000 to 9998) as a password.
- When a password is registered, parameter reading and writing is restricted with the restriction level set in P.297 until unlocking.
- After registering a password, a read value of P.297 is always 0 to 5.
- When a password-restricted parameter is read or written, LOCd appears on the display.
- Even if a password is registered, parameters that the VFD itself writes, such as VFD Parts Life, are overwritten occasionally.
1 If the password unlock error has occurred
five times, see Perform a Parameter All Clear to unlock the restriction. Entering
the correct password after the fifth incorrect entry has no
effect.