Hanna-instruments HI 8000 Series Manual do Utilizador

1Instruction ManualHI 8001 & HI 8002Panel-mounted and Wall-mountedFertigation ControllersManufacturers since 1978These Instruments are inComplianc

103.3 FERTILIZATION CONTROLFertigation Controller can use up to 4 fertilizer tanks.Each irrigation program can specify the percentage for each type of

11AGES). For each individual sector’s pH average see panel C 24 (SECTORAVERAGES). All pH averages can be deleted manually or at specified time ofday u

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13opening and closing of a valve through which a neutral solution is circulated.The amount of neutral solution added is relative to the opening of the

14can compensate for changes in the process variable (measurement) and is par-ticularly good for slowly moving processes. When a change occurs in the

15- To erase all statistics, use panel S 61 (ERASE STATISTICS). Statistics indi-cates pH and conductivity averages for all irrigation programs and sec

163.10 LOGGING FUNCTIONSThe Fertigation Controller has the capability to log the most important occurredevents and values of different parameters that

174 USER INTERFACEThe Fertigation Controller’s user interface consists of a 4 x 20 character LCDand a 23-key keyboard.Keyboard structure.4.1 OPERATING

18different controller entities (programs, sectors, fertilizers etc.) within the samepanel.- LEFT and RIGHT ARROWS KEYS can be used to move the cursor

19- LEFT, RIGHT arrow keys allow navigation within the currently focuseddata object. If the cursor exceeds the boundaries of the data object then thef

2Dear Customer,Thank you for choosing a Hanna Product. Please read this instructionmanual carefully before using the instrument.This manual will provi

204.2 PANEL BROWSING METHODSIn consulting mode, two browsing methods are available to view each of the 62panels (screens) of the Fertigation Controlle

2111 SOL RAD EXTENS 40 PH CONTROL12 MAN CORRECTION 41 COND CONTROL13 TOTAL CORRECTION 42 CORRECTIONS14 SECTOR STATE 43 SOLAR RAD IRRIG15 - 44 -16 FER

225 PANEL DESCRIPTION5.1 GENERAL CONSULTINGThe following panels C 01 through C 29 are for the general consulting ofcontroller settings and current m

23Although access to the controllers features are denied, the functionality of thecontroller is not directly effected if a password authentication seq

24NOTE:- If the user is logged in and the operational mode is CONSULTING MODE,this panel can be accessed anytime and from any panel using the HOME

255.2.1 PROGRAM STATE – C 03PROG 08 ACTIVEStarted by Solar RadRepeat 02/05 13:15PROGRAM STATE C03The purpose of this panel is to allow the user

26REMINDER: In CONSULTING MODE the ESC key can be used as a short-cut key to access this panel from any panel.5.2.2 PH STATE – C 04Prog 08 Ref=06.4

27and is not program specific.S in = Real time value of EC input sensor. This is an option sensor input tomeasure the conductivity of the incoming wat

28DayIndicates if the selected program is set to run on a daily schedule.PeriodIndicates if the selected program is set to run on a yearly schedule.Sy

29This panel displays the current irrigation state of the indexed program. Time orvolume can control irrigation and the above panel displays the set v

35.4 Alarms Consulting ... 375.5 Log Consulting ...

305.2.9 MAN CORRECTION – C 12Prog 08 +015% +00:05:55 13:15MAN CORRECTION C12This panel displays how much the programmed irrigation parameters

315.2.11 SECTOR STATE – C 14Prog 08 Sect 21/21Set 00:10:30+009:45Done 00:03:10 13:15SECTOR STATE C14This panel displays the state of each secto

32This panel displays the set and current amount of fertilizer used for a specificprogram. The Fertigation Controller controls the dosing of 4 fertil

33PauseThe set pause time value for the indexed agitator of the selected program.System clockNOTE: The agitator’s working time values can be specified

345.3 STATISTICS CONSULTING5.3.1 TOTAL ACCUMUL – C 19From: 09-26 13:37;120007654L 13:15TOTAL ACCUMUL C19This panel provides a total

355.3.3 SECTOR ACCUMUL – C 21From: 09-26 13:37;12000:00:17 Sect 01/01 13:15SECTOR ACCUMUL C21This panel provides a total (in time or v

365.3.5 PROGRAM AVERAGES – C 23From: 09-26 13:37;1205.3pH Prog 0106.7mS 13:15PROGRAM AVERAGES C23This panel provides a pH & EC avera

375.4 ALARMS CONSULTING5.4.1 ACTIVE ALARMS – C 25Low level fert: 4ACTIVE Alarm26-12 14:36:22 13:15ALARM 02/07 C25This displays the active alarms

38pressed the Fertigation Controller will search for the logged data. If no data isfound the panel is shifted to C 28 (LOG) and “no records found” is

39SET key or via panel S 59 (SET LOG LEVELS). The UP and DOWN arrow keysare available to move between log records in a “select previous/next” manner.T

41 THEORY OF FUNCTIONIrrigation is one of the most important operation in agriculture. With properirrigation the quality and quantity of crops can be

405.7 PROGRAM SETTINGS5.7.1 ACTIVE TIMETABLE – S 31Between Prog 07Date: 01-04 31-10Time: 07:00 23:00ACTIVE TIMETABLE S31This panel allows the u

41(for more details see Section 3.1 and Appendix 3):Work dayThe number of consecutive workdays.Program NumberReflects the selected program (can be sel

425.7.4 START CONDITIONS – S 34Time cond y Prog 07Solar rad NExt tank: -- Link 02START CONDITION S34Using this panel we can set up how a particular p

43allows the setting of the following parameters:Program NumberReflects the selected program (can be selected only inside panel C 03). SeeSection 5.2.

44mode, see panel S 53 (IRRIG CTRL MODE). The program number indexes thispanel (for more details see Section 3.1 and Appendix 3). This panel display

455.7.9 SET FERTILIZERS – S 39 Prog 07Fer1=020% Fer2=055%Fer3=060% Fer4=040%SET FERTILIZERS S39The fertilizer dosing is controlled b

46Alarm thresholdSelectable pH control alarm threshold represents the time interval (mea-sured in the Fertigation Controller’s control cycles) conside

47fertilization process. The program number indexes this panel. This panel displaysand allows the setting of the following parameters:ManualThe selec

48program. If “Work” and “Pause” are set the agitator will function intermittentlyrelative to the time settings. In this panel the agitator number is

495.8 MANUAL COMMANDS5.8.1 MANUAL START – S 47Active program: 03Start program: -- ?PROG MAN START S47Each program can be manually started using thi

52 GENERAL DESCRIPTIONThe Fertigation Controller is a micro-processor-based system used in fertiliza-tion and irrigation control for greenhouses or op

50Y (yes) can be entered next to the selected condition to change the controllerstate. Only the Y (yes) key will have effect in activating the appropr

51Ctrl in Pre / PostPress Y (yes) then ENTER to control pH prior and after irrigation.Use acid in pHCtrlPress Y (yes) or N (no) then ENTER to control

525.9.4 CALIBRATE SENSORS – S 54 Channel: 01Now: 02.3 Ref: 02.5Status: First StageCALIBRATE SENSOR S54The sensor calibration procedure consist

53SensNr = The selectable number of pH sensors in the system (1 to 2).SensNr = The selectable number of EC sensors in the system (1 to 3).SDifThe maxi

54ECkFactory amplification setting for EC control.ECTiIntegral constant for EC control. Setting the value to 99.9 minutes effec-tively disables the in

55corded and can be inspected at the same time. Alarm events are stored regard-less of log level and can be inspected using panel C 27 (ANOMALY). Pa

565.9.11 ERASE STATISTICS – S 61 Erase all: - On overflow: YDaily at hour: 00:01ERASE STATISTICS S61With this panel it is possible to erase stored

576 CALIBRATION PROCEDURES6.1 SENSOR CALIBRATION PROCEDUREThe purpose of calibrating the Sensor’s used in conjunction with the FertigationController i

586.2 PID TUNING PROCEDUREFor the PID controller, we have three working modes:1. With PID regulation algorithm (Proportional, Integrative and Derivati

596.2.1 PID TUNING PROCEDUREDue to the fact that the pH and EC controls function with minimal error at thecontrol output value, the PID controller mus

63 FUNCTION DESCRIPTIONIn this chapter the main functions of the Fertigation Controller are presented. Fora better understanding see the typical insta

60A. NECESSARY STEPS FOR TUNING THE PID CONTROLLER FOR PH AD-JUSTMENT1. The pH of the water source used for irrigation is measured. When this value is

6110. At the end of the program consult the log table. Write down in a table thevalues for the pH sensor and the time when the reading was done (see S

62- Total number of sectors = 1- Irrigation time = 15 minute2. Go to panel S 38 (SET SECTORS) and check the above settings. If they aredifferent adjus

63NOTE: The period of time for Irrigation time (15 minute default) - panel S 37(PRE/POST IRRIG) - can be modified (increased or decreased), if theproc

64- The control function remains constant; however, a steady state offset ispresent meaning that the set point is never completely maintained.4. INTEG

65sensor #1) is outside of the allowable dead band determined by the specified pHReference value together with the pH min and pH max offset limits. Th

668 TROUBLE SHOOTING GUIDETHE CONTROLLER DOES NOT FUNCTIONCheck to insure that the proper voltage is applied to the controller. After con-necting the

67occurred that may not be correctable by the type and amount of acid (or base)being used. If the problem persists after checking the process pH and a

689 ELECTRICAL DIAGRAMS

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7- The accumulated solar radiation starting level value is used as a thresholdvalue for the accumulated solar radiation. When the accumulated solarrad

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71POWERBOARDEXTENSIONBOARDMAINBOARD

72APPENDIX 1- KEYBOARD OPERATING MODESCONSULTING MODE:- arrow keys can be used to navigate inside the currently focused object- ESC key can be used as

73APPENDIX 2 - OUTLET ASSIGNMENT TABLEOUTLET NUMBER ASSIGNED ELEMENT08 Filter1 35 SECTOR VALVE 1209 Filter2 36 SECTOR VALVE 1310 pH 37 SECTOR VALVE 14

74APPENDIX 3 - GRAPHICAL EXPLANATION

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77APPENDIX 4 - LIST OF PANELSGeneral InfoWORK Anomalies 00Prog 08 06.4pHSect 07 02.1mS 13:15GENERAL INFO C01Active Program: 0406.3pH 1200W/m2

78Prog 08 Time Y Day Y Period Y 13:15WORK TIME COND C08Prog 08 Priority 05Conflict Programs 02 13:15PRIOR & CONFLICT

79Prog 02 Fert 02 Set 40%Current 20% 13:15FERTILIZ STATE C16Prog 08 Agitator 01Work 00:03 WORKPause 00:02 13:15AGITATOR STATE C1

8SOLAR RADIATION FACTOR:- This option can be set using panel S 42 (CORRECTIONS). This factoraffects the irrigation time or volume extension in accorda

80Prog 07Repeats 04 Pause 00:30:00PROGRAM REPEATS S36 Prog 07 PreIrrig: 000:00:05PostIrrig: 000:00:05PRE/POST IRRIG S37Valve 05 Pr

81Pre 00:33 Prog 08Work 00:10Pause 00:05SET AGITATORS S45Link 05 Filter 01Clean on alarm: YClean time: 01:01:02FILTERS CTRL S46Controlle

82Ctrl on pH alarm: YIrrig on pH alarm: Y Ctrl on EC alarm: YALARM BEHAVIOR S52Volume control: N Time control: YIRRIG CTRL MODE S53 Channel: 01N

83Disable password: NNew password: ---SET PASSWORD S60Statistics ConsultingFrom: 09-26 13:37;120007654L 13:15TOTAL ACCUMUL C19Fro

84Controller LoggingExt state:ACTIVEProg State changed.18-08 15:05:30 15:05Log 0012 Lev 03 C28Manual CommandsActive program: 03Start program: -- ?PRO

85APPENDIX 5 - INSTALLATION BLOCK DIAGRAM

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87Recommendations for userBefore using this product, make sure that it is entirely suitable for the environment inwhich it is used.Operation of this i

88www.hannainst.comMAN800107/03

9sectors using one of the following ways:- Manually- Every day at specified hour- Automatically when the accumulations counter value overflows3.2 COND