Pepperl+Fuchs KFD2-HLC-Ex1.D Series Manual page 31

HART Loop Converter KFD2-HLC-Ex1.D(.**)
Configuration
4.2.2 Password Protection
You can activate password protection to protect parameterization from unauthorized
changes. If password protection is enabled, you can view the parameter settings but not
change them. Password protection is deactivated during delivery. The password is preset
and cannot be changed by the operator. The password is 1234. Information about enabling
password protection see chapter 4.2.9.
Entering the Password
1. As soon as you try to change the parameterization, the device switches automatically to
the input window for password access.
The first digit of the password flashes.
2. Set the first digit of the password using the  and  buttons.
3. Confirm your entry with OK.
The next digit flashes.
4. Repeat steps 2 and 3, until all digits have been entered.
5. Confirm your entry with OK.
If the password was correct, the device changes to parameterization mode. 
The device can now be parameterized.
If the password was not correct, cancel password access and begin password entry
again using step 1.
Canceling Password Entry
You can cancel password entry at any time.
Press the ESC button.
The device switches to display mode.
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