Micropilot M FMR 240 with Foundation Fieldbus
Operation
E Hauser
37
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
+
–
