IM 12B6C2-E-H
37
7-13. Pasword protection by three digit
code
ACCESS CODE : 33 (see §7-2)
DISPLAY : *PASS
Adjustment : (X.X.X)
Explanation:
In some cases a protection of operation
levels is wanted. In this way unauthorized
access to any of the 3 levels can be blocked
by a simple password. When a password is
selected for an operation level, access to
that level can only be obtained after entering
the password. The display will show a mes-
sage *PASS* to indicate the entry of the
password.
NOTE:
# can be a digit from 1 to 9, and it will give a
protection according to the schematic below
of the programmed level.
0 = No password
1 = Password is 111
2 = Password is 333
3 = Password is 777
4 = Password is 888
5 = Password is 123
6 = Password is 957
7 = Password is 331
8 = Password is 546
9 = Password is 847
NOTE:
For the Maintenance and Commissioning
level the password entry is always requested
when entering from the measure mode.
– For the Service level the password entry
is requested after pushing the YES-key
– When the Service level protection is acti-
vated, the password cannot be changed
by unauthorized persons.
Default : 0.0.0 No password protection
7-14. Restore default settings
ACCESS CODE : 55 (see §7-2)
DISPLAY : ERASE
Adjustment:
YES = Erase all programmed values and
replace them by defaults.
NO = Keep all programmed values as
before
Explanation:
This entry is provided to make it possible to
start from the default values given by
Yokogawa and thus erase all previously pro-
grammed information.
X.X.X
0.X.X Protection on Maintenance level
inactive
X.0.X. Protection on Commissioning
level inactive
X.X.0 Protection on Service level
inactive
#.X.X Protection on Maintenance level
active
X.#.X Protection on Commissioning
level active
X.X.# Protection on Service level
active
WARNING
1. Do not use this code without pro-
per authority as all settings and
programmed functions will be lost!!
2. Do not enter service codes that are
not mentioned in this booklet.
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