ABB ACS1000 User Manual page 145

10.3.3.3 Enabling / unlocking a parameter lock
Unwanted parameter entry can be prevented by activating the parameter lock function.
The corresponding parameters are 16.02 PARAMETER LOCK and 16.03 PASSCODE and belong
to parameter group 16 SYSTEM CTRL INPUTS.
10.3.3.3.1 Enabling the parameter lock
1. Select parameter 16.02.
2. Set parameter 16.02 to 1 (LOCKED).
3. Confirm the setting and exit the parameters mode.
10.3.3.3.2 Unlocking the parameter lock
1. Select parameter 16.03.
2. Set the correct pass code.
3. Confirm the setting and exit the parameters mode.
For more information, see Appendix G – Signal and parameter table.
10.3.3.4 User lock
For better cyber security, ABB recommends that you set a master pass code for the control
panel to prevent the parameter values from being changed.
NOTICE
ABB is not be liable for damages or losses caused by the failure to activate the
user lock with a new pass code.
For more information, see "1.10 Cyber security disclaimer" on page 10.
- To activate the user lock for the first time, enter the default pass code, 358, into 16.03
Passcode. This will make parameters 16.06...16.07 changeable. Then enter the old pass
code to 16.06 OldUserPasscode and change user pass code in 16.07 NewUserPasscode. In
16.02 Parameter Lock, the user lock functionality can now be enabled.
- To reopen the lock, enter your pass code into 16.03 Passcode. This will again make
parameters 16.06 and 16.07 visible.
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