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model 2704 controller installation and operation handbook - Soliton

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<strong>2704</strong> Controller Alarm Operation<br />

7. CHAPTER 7 ALARM OPERATION .................................... 2<br />

7.1. DEFINITION OF ALARMS AND EVENTS ............................................2<br />

7.1.1. Customisable Parameter Names..................................................................2<br />

7.2. TYPES OF ALARM USED IN <strong>2704</strong> CONTROLLER .............................3<br />

7.2.1. Full Scale High............................................................................................3<br />

7.2.2. Full Scale Low ............................................................................................3<br />

7.2.3. Deviation High Alarm.................................................................................4<br />

7.2.4. Deviation Low Alarm..................................................................................4<br />

7.2.5. Deviation B<strong>and</strong> ...........................................................................................5<br />

7.2.6. Rate Of Change Alarm (Negative Direction) ..............................................6<br />

7.2.7. Rate Of Change Alarm (Positive Direction)................................................6<br />

7.3. BLOCKING ALARMS ...............................................................................7<br />

7.3.1. Full Scale Low With Blocking....................................................................7<br />

7.3.2. Full Scale High Alarm With Blocking ........................................................7<br />

7.3.3. Deviation B<strong>and</strong> With Blocking...................................................................8<br />

7.4. LATCHING ALARMS................................................................................9<br />

7.4.1. Latched Alarm (Full Scale High) With Automatic Reset............................9<br />

7.4.2. Latched Alarm (Full Scale High) With Manual Reset ..............................10<br />

7.4.3. Grouped Alarms........................................................................................10<br />

7.5. HOW ALARMS ARE INDICATED ........................................................11<br />

7.5.1. Alarm Delay Time.....................................................................................11<br />

7.6. THE ALARM SUMMARY PAGE...........................................................12<br />

7.6.1. Alarms (Summary) Parameters .................................................................13<br />

7.7. ALARM ACKNOWLEDGEMENT.........................................................15<br />

7.7.1. To Acknowledge a Latched Alarm............................................................16<br />

7.8. TO SET ALARM TRIP LEVELS AND HYSTERESIS.........................17<br />

7.9. ALARM PARAMETERS..........................................................................18<br />

7.9.1. ALARMS (LP1 Page) Parameters ............................................................18<br />

7.9.2. ALARMS (PV Input Page) Parameters.....................................................19<br />

7.9.3. ALARMS (An Input Page) Parameters.....................................................20<br />

7.9.4. ALARMS (Module 1 Page) Parameters....................................................21<br />

7.9.5. ALARMS (User 1 Page) Parameters.........................................................22<br />

Installation <strong>and</strong> Operation H<strong>and</strong>book. Part No HA026502 Issue 1.0 Apr-00 7-1

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