ABB COMMANDER C355 - Use of Function Keys

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.