Handbook - Eurotherm Ltda

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T820 HANDBOOK3.4.2 Responding to alarms (Cont.)ALARM ACKNOWLEDGEMENTUnacknowledged alarms are made evident by the flashing of the alarm bell icon in the Alarm History page and theAlarm Summary page.Alarm HistoryMod16_C2 HardwarMod16_C1 HardwarMod16_C2 HardwarActive Alarms(Alarm bell icon)Figure 3.4.2b Alarm IndicationIMPORTANT It is recommended that an alarm is acknowledged before any attempt is made to rectify thecause of the alarm.To acknowledge an alarm, select the alarm using the Navigation keys and Acknowledge this selecting the ACK optionand confirm using the Return key.Note. If an alarm is selected, pressing the Right arrow displays additional alarm information, e.g. ACTIVE,when the alarm was set, CLEAR, when the alarm cleared, and ACK, when the alarm wasacknowledged. Pressing again hides this additional information.MULTI-LINE DISPLAYOperation of the Right arrow key toggles between single-line and multi-line working. Single line working is asdescribed above, and as shown in Figure 3.4.2a. When in two-line working, each alarm has a second line showing theUser ID of the user who was logged on at the time of the alarm, or event.Chapter 3Page 3 - 8HA029131Issue 3 Feb 08
T820 HANDBOOK3.5 THE ACCESS PAGEThis area is displayed to allow a different level of security access to the T820. Each security access level can bepassword restricted to ensure the security of the T820. Selecting this option from the Built-in pages calls the first ofthe Access pages described in Gaining Access section.3.5.1Gaining accessThe Unit is supplied with the standard access system in operation and is configured with the following types of Users,• Locked (Disabled User)• Operator• Commission (Commissioning Engineers)• EngineerEach of these User types has what is known as a level of access to the facilities of the instrument, based upon the needsof the job, and they gain access to that level by typing in a password. The level of access is fixed for each type of User.That is to say, all Operators share the same password to their level of access; all Commissioning Engineers share thesame password to their level of access; and all Engineers share the same password to their level of access. TheEngineer-level password gives access to every facility in the instrument.Note: Only from Engineer-level can passwords be changed.The hierarchy of levels is LOCKED (lowest), OPERATOR (next lowest), COMMISSION (middle), ENGINEER(highest). You need a password to change up levels, but not to change down. No password is needed for Locked.What follows are step-by-step instructions on how to navigate the menu system to get access to your level of facilities.The assumption is that you have your password ready. Passwords are set and re-set by the Engineer.Note: For first-time access, immediately after commissioning, see the Controlling Access section.To gain access to a required level of functions,1. With the Unit powered up, press the Menu key.The top level menu of the Built-in pages (figure 3.2.1)appears.2. Select the ACCESS option and confirm using theReturn key.The Security Access page appears.Plant MimicACCESSSYSTEMALARMS3. Select the ‘New Level’ field, and again confirmselection using the Return key.The Security Access pick-list appears.Security AccessCurrently: OPERATORNew Level: OPERATORPassword: ********[CHANGE]HA029131Issue 3 Feb 08Chapter 3Page 3 - 9
Page 1 and 2: T820 HANDBOOKT820Human Machine Inte
Page 3 and 4: T820 HANDBOOKDeclaration of Conform
Page 5 and 6: T820 HANDBOOKContentsT820 HandbookC
Page 7 and 8: T820 HANDBOOKChapter 6 (Cont.)CHAPT
Page 9 and 10: T820 HANDBOOKAPPENDIX C TERMINAL CO
Page 11 and 12: T820 HANDBOOKCHAPTER 1 INTRODUCTION
Page 13 and 14: T820 HANDBOOK1.3.1Main featuresThe
Page 15 and 16: T820 HANDBOOKCHAPTER 2 INSTALLATION
Page 17 and 18: T820 HANDBOOK2.2 UNPACKINGThe unit
Page 19 and 20: T820 HANDBOOK2.3.1Mount a T820The T
Page 21 and 22: T820 HANDBOOK2.4 SETTING THE COMMUN
Page 23 and 24: T820 HANDBOOK2.5.1CommunicationsETH
Page 25 and 26: T820 HANDBOOKCHAPTER 3 GETTING STAR
Page 27 and 28: T820 HANDBOOK3.1.4The opening displ
Page 29 and 30: T820 HANDBOOK3.3 THE POP-UP MENUNot
Page 31: T820 HANDBOOK3.4.2Responding to ala
Page 35 and 36: T820 HANDBOOK3.5.1 Gaining access (
Page 37 and 38: T820 HANDBOOKCHAPTER 4 CONFIGURATIO
Page 39 and 40: T820 HANDBOOK4.2.1Preparing for the
Page 41 and 42: T820 HANDBOOK4.3.1On-line Reconfigu
Page 43 and 44: T820 HANDBOOK4.4 MODBUS CONFIGURATI
Page 45 and 46: T820 HANDBOOKCHAPTER 5 CONTROL AND
Page 47 and 48: T820 HANDBOOK5.2.1 Main pageThe Mai
Page 49 and 50: T820 HANDBOOK5.2.2 Set Up page (Con
Page 51 and 52: T820 HANDBOOK5.2.3 PID page (Cont.)
Page 53 and 54: T820 HANDBOOK5.2.3 PID page (Cont.)
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Page 67 and 68: T820 HANDBOOK5.2.6 OP page (Cont.)
Page 69 and 70: T820 HANDBOOK5.3 EFFECT OF CONTROL
Page 71 and 72: T820 HANDBOOKCHAPTER 6 OPERATIONThi
Page 73 and 74: T820 HANDBOOK6.1.4Alarm Acknowledge
Page 75 and 76: T820 HANDBOOKCHAPTER 7 MANAGEMENTTh
Page 77 and 78: T820 HANDBOOK7.3 THE APPLICATION MA
Page 79 and 80: T820 HANDBOOK7.3.2Saving an applica
Page 81 and 82: T820 HANDBOOK7.3.4Loading or loadin
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T820 HANDBOOK7.4 THE FUNCTION BLOCK
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T820 HANDBOOK7.5 CONTROLLING ACCESS
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T820 HANDBOOK7.5.2 EDITING PASSWORD
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T820 HANDBOOK7.6.1 Editing communic
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T820 HANDBOOK7.6.2 Setting the star
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T820 HANDBOOK7.6.3Setting startup v
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T820 HANDBOOK7.7.1Changing Date and
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T820 HANDBOOK7.8 CHANGING LANGUAGE
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T820 HANDBOOK7.8.2Changing the Date
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T820 HANDBOOK7.8.4Changing the Dura
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T820 HANDBOOK7.9.1Contrast settings
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T820 HANDBOOK7.10 THE FILE MANAGER
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T820 HANDBOOKCHAPTER 8 TASK ORGANIS
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T820 HANDBOOK8.2 USER TASKS8.2.1Ter
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T820 HANDBOOK8.2.3 User task block
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T820 HANDBOOK8.4 DATA COHERENCE8.4.
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T820 HANDBOOKCHAPTER 9 EVENT LOGThi
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T820 HANDBOOKCHAPTER 10DATA MANAGEM
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T820 HANDBOOKCHAPTER 11SERVICEThis
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T820 HANDBOOK11.2.2 Battery replace
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T820 HANDBOOKAPPENDIX ASPECIFICATIO
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T820 HANDBOOKA.2.2 Hardware specifi
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T820 HANDBOOKA.2.3 Software specifi
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T820 HANDBOOKAPPENDIX B CUSTOMISING
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T820 HANDBOOKB.4 DATABASE NAMESEach
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T820 HANDBOOKB.5 DATABASE MONITORIN
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TERMINAL CONFIGURATOR HANDBOOKAPPEN
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TERMINAL CONFIGURATOR HANDBOOKC.2.1
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T820 HANDBOOKINDEXIndexSymbols.cnf
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T820 HANDBOOKLINOPC................
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Handbook - Eurotherm Ltda

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