24 Commander SK Getting Started Guide
www.controltechniques.com Issue Number: 9
5.6 Security codes
Setting a security code allows view only access to all parameters.
A security code is locked into the drive when Pr 25 is set to any other value than 0 and
then LoC is selected in Pr 10. On pressing the MODE key, Pr 10 is automatically
changed from LoC to L1 and Pr 25 will be automatically set to 0 so as not to reveal the
security code.
Pr 10 may be changed to L2 or L3 to allow view only access to parameters.
5.6.1 Setting a security code
•Set Pr 10 to L2.
•Set Pr 25 to the desired security code e.g. 5
•Set Pr 10 to LoC.
• Press the MODE key
•Pr 10 will now be reset to L1 and Pr 25 will be reset to 0.
• The security code will now be locked into the drive.
• Security will also be set if the drive is powered down after a security code has been
set into Pr 25.
5.6.2 Unlocking a security code
• Select parameter to be edited
• Press the MODE key, the right hand display will flash 'CodE'
• Press the UP key to start entering the set security code. The left hand display
will show 'Co'
• Enter the correct security code
• Press the MODE key
• If the correct security code has been entered, the right hand display will flash and
can now be adjusted.
• If the security code has been entered incorrectly, the left hand display will flash the
parameter number. The above procedure should be followed again.
5.6.3 Re-locking security
When a security code has been unlocked and the required parameter changes made, to
re-lock the same security code:
•Set Pr 10 to LoC
• Press the STOP/RESET key
5.6.4 Setting security back to 0 (zero) - no security
•Set Pr 10 to L2
• Go to Pr 25
• Unlock security as described above.
•Set Pr 25 to 0
• Press the MODE key.
5.7 Setting drive back to default values
•Set Pr 10 to L2
•Set Pr 29 to Eur and press the MODE key. This loads 50Hz default parameters.
or
•Set Pr
29
to USA and press the MODE key. This loads 60Hz default parameters.
If a security code has been lost or forgotten, please contact your local drive centre or distributor
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