<6.  PARAMETER DESCRIPTION>
6-41
IM 01E30D01-01EN
6.5  Alarm Functions
6.5.1  Alarm Levels
Alarmsareclassiedintothefollowingfourdifferent
types based on level.
Alarm  Level  Description 
System 
alarm 
Major 
breakdown 
Device breakdown or inability to 
obtain correct measurements. 
Replacement will be required. 
Process 
alarm 
Intermediate 
level break 
down 
Device is normal but process-related 
errors make correct measurement 
impossible. Maintenance or the like 
will be required. 
Setting 
alarm 
Minor 
breakdown 
Device is normal but errors have been 
made in the setting of parameters. 
Functions notrelated to the incorrect 
settings are operating normally. 
The incorrect settings must be 
corrected. 
Warning  Warning  Device and measurements are 
normal but a warning is occurred. 
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 Process alarm)
Upon issuance of a warning
(a description appears in the 3rd line only 
when a warning is occurred)
Alarm name
Description
message
Description of 
warning
Process Alarm
 30:Sig Overflow
Check signal cable
and grounding
6.5.2  Alarm Selection
The display and output differs depending on the 
alarm levels. Certain types of alarm may or may not 
be recognized as alarms, according to the settings 
of certain parameters. The parameters that are 
relevant to this function as follows.
[F10: DO Function] Setting of the function for the 
DO status output terminal
[F11: DO Active Mode] Setting of the active mode 
for DO terminal
[G20: 4-20mA System Alm] Display of the current 
output during a system alarm occurrence
[G25: 4-20mA Process Alm] Selection of the 
current output during a process alarm occurrence
[G26: Alm-Sig Over] Alarm recognition of “Signal 
OverowAlarm”
[G27: Alm-Emp Pipe] Alarm recognition of “Empty 
Pipe Alarm”
[G28:Alm-H/L] Alarm recognition of “H/L Alarm” 
(Read the descriptions of G10 and G11 for more 
details regarding H and L alarms.)
[G29: Alm-Adhesion] Alarm recognition of 
“Adhesion Alarm”
[G30: 4-20mA Setting Alarm] Selection of the 
current output during a setting alarm occurrence
[G31: Alm-Setting] Selection of the alarm output 
during a setting alarm occurrence
[G41: Alm Record1] Alarm record1
[G43: Alm Record2] Alarm record2
[G45: Alm Record3] Alarm record3
[G47: Alm Record4] Alarm record4