Micropilot M FMR244 with FOUNDATION Fieldbus
Operation
Hauser
31
5.3
Local operation
5.3.1
Locking of the configuration mode
The Micropilot can be protected in two ways against unauthorised changing of instrument data,
numerical values or factory settings:
"unlock parameter" (0A4):
A value
<> 2457
(e.g. 2450) must be entered in "
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 lock:
The instrument 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. All parameters can de displayed even if the instrument is
locked.
⇒
O
and
S
and
F
press simultaneous
⇓
⇓
The LOCK_SYMBOL appears on the LCD.
E HAUSER
E
+
–