Yokogawa Touch Screen GP20 - Manual (Page 62)

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IM 04L61B01-01EN
3.4.2 Alarm To Tabbed Page
Time of alarm occurrence or release
Alarm To tabbed page
The specified alarm type
Status
Alarm occurrence
or release condition
Channel
Channel on which
the alarm occurred
Level
Position where
the alarm occurred
Cursor selection
The Alarm To tabbed page lists the alarm information (changes in the alarm status during
recording) in the data file. The table below describes the displayed items.
Status
Display Description
ON Alarm occurrence
OFF Alarm release
ACK Alarm ACK operation
Level
Display Description
L1 Alarm 1
L2 Alarm 2
L3 Alarm 3
L4 Alarm 4
ALL Alarms 1 to 4
Alarm Type
Display Description
OFF Alarm off
H high limit alarm
L low limit alarm
dH Difference high limit alarm
dL Difference low limit alarm
RH High limit on rate-of-change alarm
RL Low limit on rate-of-change alarm
tH Delay high limit alarm
tL Delay low limit alarm
PVH Measurement high limit alarm
PVL Measurement low limit alarm
DVH Deviation high limit alarm
DVL Deviation low limit alarm
DVO Deviation out limit alarm
DVI Deviation in limit alarm
SPH Setting high limit alarm
SPL Setting low limit alarm
OTH Output high limit alarm
OTL Output low limit alarm
ETC Other CX alarm
??? Other non-CX alarm
??? Alarm Ack [ALL](when all alarms
are acknowledged)
3.4 Displaying a List of Alarms and Marks