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Issue 5 - September 2006
Page 48 of 65
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ESD
Network 008 - 2oo3 Analogue Alarm/Analogue Alarm Annunciation and 2oo3 fail safe logic voting
Scan Rate 00030ms
Label 05001 Enabled
6009
WorkingDis6009
COMBINED
PLC
SHUTDOWN
4500
4501
4500
4502
4501
4502
5500
9023
5501
9024
5502
9025
9022
5000
5002
5000
5004
5002
5004
5001
5003
3001
3002
5001
5005
5003
5005
LOW
LOW
ALARM
LOW
LOW
ALARM
STEAM
HEADER
PRESSURE
PALL0001A
PALL0001
LOW
LOW
ALARM
LOW
LOW
ALARM
PALL0001B
PALL0001A
PALL0001C
LOW
LOW
ALARM
LOW
LOW
ALARM
PALL0001C
PALL0001B
HIGH
HIGH
ALARM
STEAM
HEADER
PRESSURE
PAHH0001A
PAHH0001-A
HIGH
HIGH
ALARM
STEAM
HEADER
PRESSURE
PAHH0001B
PAHH0001-B
HIGH
HIGH
ALARM
STEAM
HEADER
PRESSURE
PAHH0001C
PAHH0001-C
PALL0001A
LOGIC
INPUT
PALL0001B
LOGIC
INPUT
PALL0001
2oo3 VOTED
LOGIC INPUT
WorkingDis5000
WorkingDis5002
WorkingDis3001
PALL0001A
LOGIC
INPUT
PALL0001C
LOGIC
INPUT
WorkingDis5000
WorkingDis5004
PALL0001B
LOGIC
INPUT
PALL0001C
LOGIC
INPUT
WorkingDis5002
WorkingDis5004
PAHH0001A
LOGIC
INPUT
PAHH0001B
LOGIC
INPUT
WorkingDis5001
WorkingDis5003
PAHH0001
2oo3 VOTED
LOGIC INPUT
WorkingDis3002
PAHH0001A
LOGIC
INPUT
PAHH0001C
LOGIC
INPUT
WorkingDis5001
WorkingDis5005
PAHH0001B
LOGIC
INPUT
PAHH0001C
LOGIC
INPUT
WorkingDis5003
WorkingDis5005
Example Analogue alarm annunciation - the non fail safe logic outputs should be used.
Example 2oo3 Voting for Logic Input using the fail safe alarms.
The Analogue fault conditions should also be separately annunciated e.g. Printer Messages or other serial
outputs.