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IM 01E20C01-01E
6-35
6. PARAMETER DESCRIPTION
[P21: Enable Wrt Passwd] Setting of password to
release the write protection function
When the correct password is input, write protection
will be released for a period of 10 minutes; further-
more, this period will be extended by a further 10
minutes each time a parameter is overwritten.
P21:Enable Wrt Passwd
********
F0622.EPS
The cursor will flash when entering Parameter Re-
placement Mode, and the password set with P22: New
Password should be input at this time.
[P22: New Password] Setting of a new password
This parameter sets the password required for the
release of write protection. When set, it will be
possible to make write protect settings on the software
side.
P22:New Password
F0623.EPS
Default setting
The default setting for this parameter is a string of 8
spaces (i.e., Enable), and thus, the password field will
be empty. When the cursor is flashing, the password
should be input. Press the SET key twice to confirm
the password. The display will then change to
“********”.
P22:New Password
********
F0624.EPS
After password setting
To change a password, first of all use the password
originally set with P21: Enable Wrt Passwd to
release the write protect function, and then set the new
password. Alternatively, if it is desired to return to the
condition where no password is set, enter a string of 8
spaces.
[P23: Software Seal] Display the software seal
When the joker password has been used to release
write protection, this parameter displays “Break”, and
when protection is cancelled using the password set
using P22: New Password, it returns to “Keep”.
NOTE
If you should forget your password, the joker
password can be used to temporarily release
write protection function. To obtain the joker
password, please contact your nearest
YOKOGAWA sales office.
6.5 Alarm Functions
6.5.1 Alarm Levels
Alarms are classified into the following four different
types based on level.
Intermediate
level break-
down
Major
breakdown
Alarm DescriptionLevel
Warning
Setting
alarm
Process
alarm
System
alarm
Device breakdown or inability to obtain correct
measurements. Replacement will be required.
Device is normal but process-related errors
make correct measurement impossible.
Maintenance or the like will be required.
Device is normal but errors have been made
in the setting of parameters. Functions not
related to the incorrect settings are operating
normally.
The incorrect settings must be corrected.
Device and measurements are normal but a
warning is occurred.
T0647.EPS
Warning
Minor
breakdown
When an alarm has been occurred, the corresponding
alarm name, description, and suitable countermeasure
will be displayed on the display unit. The normal
Display Mode and Alarm Mode may be displayed
alternatively. When a warning has been issued, the
corresponding content will be shown in the third line in
the Display Mode.
Upon occurrence of an alarm
(example: a System alarm)
Upon issuance of a warning
(a description appears in the 3rd line only
when a warning is occurred)
Alarm name
Description
Countermeasure
message
Description of
warning
F0625.EPS