Security Codes; Setting Drive Back To Default Values - Johnson Controls VFD67 Series Getting Started Manual
Ac variable frequency drive for 3 phase induction motors from 0.25kw to 7.5kw, 0.33hp to 10hp
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Also See for VFD67 Series:
- Getting started manual (46 pages) ,
- Quick start commissioning manual (2 pages)
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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
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
•
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
•
Press the
will show 'Co'
•
Enter the correct security code
•
Press the
•
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
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
If a security code has been lost or forgotten, please contact Johnson Controls Inc.
NOTE
5.7
Setting drive back to default values
•
Set Pr 10 to L2
•
Set Pr 29 to USA and press the
22
MODE key
M
MODE key, the right hand display will flash 'CodE'
M
UP key to start entering the set security code. The left hand display
MODE key
M
STOP/RESET key
MODE key.
M
www.johnsoncontrols.com
MODE key, Pr 10 is automatically
M
MODE key. This loads 60Hz default parameters.
M
VFD67 Size A to D Getting Started Guide
Issue Number: 1
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