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Pulscon LTC
Function group "diagnostics" (0A)
–
+
E
"
–
+
E
62
11.5.2
Unlocking of configuration mode
If an attempt is made to change parameters when the instrument is locked, the user is
automatically requested to unlock the instrument:
"unlock parameter" (0A4):
By entering the unlock parameter (on the display or via communication)
100 = for HART devices
2457 = for PROFIBUS PA devices
the Pulscon LTC is released for operation.
Hardware lock:
O
S
After pressing the
and
unlock parameter
100 = for HART devices
2457 = for PROFIBUS PA devices.
Caution!
Changing certain parameters such as all sensor characteristics, for example, influences
numerous functions of the entire measuring system, particularly measuring accuracy.
There is no need to change these parameters under normal circumstances and
consequently, they are protected by a special code known only to the P+F service
organisation. Please contact Pepperl+Fuchs if you have any questions.
11.6
Function "measured dist." (0A5)
Display of measured distance in the selected "distance unit" (0C5).
F
keys at the same time, the user is asked to enter the
and
O
and
Please enter unlock code and confirm with
S
F
and
press simultaneous
F
.
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