Operation
Levelflex M FMP40 with HART/4...20 mA
38
Hauser
5.3
Local operation
5.3.1
Locking of the configuration mode
The Levelflex can be protected in two ways against unauthorized changing of device data,
numerical values or factory settings:
"Unlock Parameter" (0A4):
A value
<>100
(e.g. 99) must be entered in the in the "
Unlock Parameter
"
(0A4)
in the
"
Diagnostics
"
(0A)
function group. The lock is shown on the display by the symbol and can be
released again either via the display or by communication.
Hardware locking:
The device is locked by pressing the
O
and
S
and
F
keys at the same time. The lock is shown on
the display by the
symbol and can
only
be unlocked again via the display by pressing the
O
and
S
and
F
keys at the same time again. It is
not
possible to unlock the hardware by communication
here. All parameters can be displayed even if the device is locked.
⇒
Press
O
and
S
and
F
simultaneously
⇓
⇓
The LOCK_SYMBOL appears on the LCD.
E HAUSER
E
+
–
Содержание Levelflex M FMP40
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Страница 90: ...Levelflex M FMP40 with HART 4 20 mA Index 90 Endress Hauser...
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