Saving Parameters; Parameter Access; Security Codes - Johnson Controls VFD66 Drive User Manual

Status Modes
Display
6.4

Saving parameters

Parameters are automatically saved when the
from parameter edit mode to parameter view mode.
6.5

Parameter access

There are 3 levels of parameter access controlled by Pr 10. This determines which
parameters are accessible. See Table 6-1.
The setting of the user security Pr 25 determines whether the parameter access is read
only (RO) or read write (RW).
Table 6-1
Parameter access (Pr 10)
6.6

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.
6.6.1 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.
VFD66 User Guide
Issue Number: 2
Status
The drive is enabled and ready for a start command. The
Drive ready
output bridge is inactive.
The drive is inhibited because there is no enable command,
Drive inhibited
or the drive is inhibited during a trip reset.
Mains loss The drive is in mains loss ride through mode.
Parameters accessible
L1
L2
L3
MODE key
M
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Explanation
MODE key is pressed when going
M
Pr 01 to Pr 10
Pr 01 to Pr 67
Pr 01 to Pr 95
MODE key, Pr 10 is automatically
M
25