
5
1
DISPLAYS AND FUNCTION KEYS…
…1.2
Use of Function Keys
Fig. 1.2b Use of Function Keys
E – Alarm Acknowledgement
Any active,
unacknowledged alarms
All active
alarms acknowledged
(Flashing)
200.3
1.HP1
2003
1HP1
ACt
ACK
LAt
or
CLr
ACK
LAt
or
200.3
2.xxx
ACt
1
2
3
4
Unacknowledged
alarms only
(On continuously)
(Off)
No active
alarms present
Pressing again acknowledges the displayed alarm.
Lower display changes to reflect new status.
3
Next active and unacknowledged alarm is displayed. If no alarms
are active, the next enabled alarm is displayed.
4
High Process, PV
High Output
Low Process, PV
Low Output
High Latch, PV
Power Failure Time
Low Latch, PV
Math Block 1 High
High Deviation
Math Block 1 Low
Low Deviation
Math Block 2 High
High Process I/P1
Math Block 2 Low
Low Process I/P1
Math Block 3 High
High Process I/P2
Math Block 3 Low
Low Process I/P2
Math Block 4 High
High Process I/P3
Math Block 4 Low
Low Process I/P3
The first active and unacknowledged alarm is displayed
(or if no alarms are active, the first enabled alarm is displayed)
1
The lower display shows alarm status:
ACt
Alarm active and unacknowledged
ACK
Alarm active and acknowledged
CLr
Cleared or Inactive alarm
LAt
Unacknowledged latched alarm
2
HPV
HO
LPV
LO
HLP
PF.t
LLP
Hb1
Hd
Lb1
Ld
Hb2
HP1
Lb2
LP1
Hb3
HP2
Lb3
LP2
Hb4
HP3
Lb4
LP3
Note. The time of the power failure,
PF.t,
is shown in the set point display.
350.0
351.5
70
350.0
351.5
70
Note. If no alarms have been enabled in the Set Up level, pressing
the
key has no effect.