Yokogawa ADMAG AXR - Manual (Page 89)

<6. PARAMETER DESCRIPTION>
6-41
IM 01E30D01-01EN
6.5 Alarm Functions
6.5.1 Alarm Levels
Alarms are classified into the following four different
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
Countermeasure
message
Description of
warning
F0620.ai
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
Overflow Alarm”
[G27: Alm-Emp Pipe] Alarm recognition of “Empty
Pipe Alarm”
[G28: Alm-H/L] Alarm recognition of “H/L Alarm”
(Refer to 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