Yokogawa Button Operated DX2000 Manuale Utente Pagina 121

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Measurement Channels and Alarms
3-25
IM 04L42B01-01E
1
2
3
4
5
6
7
8
9
10
11
12
13
App
Index
Annunciator Sequence
ISA-A-4
Sequence diagram
Process
Sequence
Display
Relay output
Alarm icon
Normal
Normal
Normal
Deactivated
No display
Process
Sequence
Display
Relay output
Alarm icon
Deactivated
Process
Sequence
Display
Relay output
Alarm icon
Activated
Abnormal
Acknowledged
On
On (red)
Blinking (red)
Flashing
Alarm
Abnormal
To abnormal
Return to normal Return to normal
Alarm ACK
while abnormal
Sequence pattern
Alarm
Display
Relay output
Alarm ACK
When multiple alarms have been assigned to a single annunciator window
If multiple alarms are occurring, the window is displayed using the color of the alarm with the highest priority.
When two alarms have been assigned to a single relay
When the relay is set to OR logic
Alarm A
Occurrence
Alarm B
Occurrence
Release
Release
Relay
Activated
Deactivated
ACK ACK
An alarm has occurred, and the relay has been activated.
3.12 Using the Alarm Annunciator Function (Release number 3 or later)
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