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1. Sets definitions S1 Target S1 Injector 3 S1 Injector 3 S1 Injector 3 S1 Water before S1 Nominal W S1 Scales EC 21 l Prop Dose 0 50 l m3 conc Dosage 12 5 L 2 0 m3 flow 40 0 m3 h EC 108 pH 94 ieee EE E eee eee SE E EE Accumulation S1 Last Average S1 Last Average W Last 82 5 FT Last Te E pH 5 1 Total 12773 m3 Total 2451 L LI Ca CU wit TOTA mitt 7 A Alarm definition Alarm definition EC Deviation Low EC ms High EC mis AS lt EC gt 20 20 duration 05 00 duration 03 00 N TALGIL COMPUTING amp CONTROL LTD Alarm definition lt pH gt pH Deviation Low pH mis High pH mis 20 20 duration 05 00 duration 03 00 Alarm definition lt Burst no flow gt Fert leakage No fert pulses threshold 5 pls period 02 00 m s A rain Configu2. points The current screen appears only while the control process is in progress Semel Oe The next two screens show the average values of the EC and pH versus the target set points Average EC 22 The average displayed here is the average of the whole injection process since it was last started and it should not to be confused with the temporary average of the moving time window shown in the first status Planned pH screen Also these screens appear only while the control process is in progress 5 6 Average pH 5 6 nt 0 50 G THG The last status screen reports about the performance of each of the injectors during the last injection Accum Se process For each injector the actual concentration reached and the amount of fertilizer supplied will be indicated Also this screen appears only while the control process is in progress info bermad com e uiuiui bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD BERMAD Irrigation TECHNICAL DATA DISPLAY For engineering purposes some more technical data can be obtained Technical Sensor temp 24 9 EC window 14 2 OH window 25 1 Stop reason Fertilizer 1 flow SSS Eee ESO Latency 20 0 sec Latency 30 0 sec Stopped by Dream 100 00 G h Select from the main menu the screen which says Technical and use the right horizontal arrow key to get Technical p
3. Connector for communication Leds indicating communication with PC for software updating _ problem with the EC pH and data display interfaces or hardware problems Adaress switch oupply of 12v AC for the electronics i e C 8 8 a Led ME 12V l 2 Due SST E mm T Selection contacts AC Exist board connector Led indicating 24v AC exist A e age SE d gt 4 lt E lI 3 Wi 11 E d 24VAC Fk Peet PRA 24v AC 4A fuse whl em cum eme 3 v Si Qw 5 Wm wm mg 1 1 e 7 S m ML Tee AAR ARINC Supply of 24v ams d Fert 1 Fert 2 da ret dd rt H ee in2 ns LS n8 G AC for outputs Nk Lech C Out4c MEER zi RS G CON m7 Leds indicating active output Outputs Inputs terminal block terminal block Irrigation us bermad com e www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation OUTPUT CONNECTIONS The following picture shows the outputs terminal block The first six outputs are used for activating the fertilizer injectors output 7 is for the booster pump and output No 8 is for activating a Main Valve or alternatively for activating an Agitator When under DREAM command the Main Valve Agitator can be connected into the BIC2000 I O boards instead of the FERTMASTER Notice that each output device Solenoid is connected to the terminal block by 2 wires The
4. SS into the subject Keep moving to the right to scan all the technical information The first screen of the technical information shows the actual readings of the EC sensor the pH sensor and the temperature sensor The temperature sensor is used for temperature compensation The values displayed are without any averaging EC window 14 2 pH window 25 1 The next two screens show two important parameters used by the EC and pH Latency 20 0 sec Latency 30 0 sec control mechanisms One is the averaging window length The averages of the samples included in these windows are taken into consideration while deciding about the correction scales The second parameter is the latency between the moment of injection and until the result can be sensed Sensor temp 24 9 EC SD Stop reason SE by Dream The next screen describes the cause of the last injection s stop Fertilizer 1 flow The last screen included in the technical information category is the fertilizers flow screen 100 00 I h This screen appears only when at least one fertilizer meter exists in the system Use the vertical arrows to scroll between the various fertilizer s flow rates ACCUMULATION For engineering purposes some more technical data can be obtained Accumulation S1 Last Average S1 Last Average H window 25 1 W Last 82 5 Rl Ge EC 2 I pH 5 1 latency 30 0 sec Total 12773 m3 Total 245 1 L Select from the main menu the screen which says Accumulat
5. information and should be copied from there into the FLOW CALIBRATION screens in place of the flow calibration results 4 Determining the sensors latency An important parameter that has a great influence on the system s quality of control is the sensors latency that defines the delay between the injection time and until the sensor detects the effect of the injection The latency is measured twice e First for the lowest expected water flow and second for the highest water flow e The system supplies the software tools for measuring this parameter OPERATION UNDER 812000 When under BIC2000 command the fertilizer sets reside in the BIC2000 memory and the desired fertilizer set is loaded into the FERTMASTER along with the other necessary parameters prior to starting the injection process The injection process starts by a signal from the BIC2000 Once the fertilizer set is loaded and the injection process started the in jection process is carried out by the FERTMASTER that keeps reporting to the BIC2000 about the progress and about malfunctions when occur Irrigation us bermad com e uiuiui bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 IL BERMAD Irrigation STAND ALONE MODE The injection process is dictated by a fertilizer set The fertilizer set is like a formula that contains the desired EC and pH set points and for each of the injectors the desired concentration to start w
6. limit concentr limit 20 for EC 20 20 for pH 20 ee Configuration Current Mode Start Mode EC Control made pH Control mode working mode Dream Command Cont VM pulse Mormal Fast Configuration Whenever you wish to view change the configuration select this subject by using the right arrow key es For making any configuration changes the system requires a password which is 139 Without entering the password the existing configuration can be inspected but cannot be changed Making changes is permit Enter password 139 Ale iret ted at any time even during the injection process When entering into the configuration subject we arrive to the internal submenu that can be recognized by the title Configuration at the upper row and the subtitle at the second row Use the vertical arrows for moving between the various subtitles of the submenu The FERTMASTER can handle 8 outputs 6 of them can activate fertilizer injectors number 7 can be used lt Outputs gt for driving a booster pump and number 8 can be used for activating a main valve or an agitator E Use the right arrow key to view change the outputs configuration While under BIC2000 control the num ber of injectors and the function allocated to each injector EC PH CONCENTRATION is defined at the BIC2000 but can be viewed at the FERTMASTER however the nominal flow and the injection pulse width of each injector are set locally
7. pulses Defining the delay since starting the injection and until declaring No flow failure if no pulse arrives from period 02 00 m s the fertilizer meter Use the Enter key to get into edit mode insert the desired delay and confirm by another ENTER Irrigation us bermad com e www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 I BERMAD Irrigation FERTILIZER SETS DEFINITION When the FERTMASTER is defined to work in stand alone mode the user expresses his requirements from the system by defining FERTILIZER SETS Up to 8 fertilizer sets can be stored in the FERTMASTER s memory Against the 8 fertilizer sets there are 8 selec tion contacts connected as inputs to the FERTMASTER By closing a contact the appropriate fertilizer set is selected The fertilizer set contains the following information e The target set points of the EC and pH The desired concentration of each of the fertilizers to be injected For the injectors that do not participate in the EC and pH control process but are injecting volumetrically the mode of injection Bulk or Proportional and the amount of injection has to be defined The amount of pure water before injection The nominal water flow to be considered when having no ability of measuring the actual flow This happens when there is no water meter in use or when we have not yet received 2 pulses from the water meter without which the flow cannot b
8. when reached the injection terminates The other injectors will always have a concentration defined this concen tration will be adjusted by the correction scales through the EC pH control and there is no dosage that can be defined Push the ENTER key to get into edit mode and use the vertical arrows to select the desired injector An other hit of the ENTER key will enable selection of the injection mode Prop stands for proportional injection and Bulk means continuous injection Another hit of the ENTER key will enable selecting between Dose No dose Push the ENTER key to exit edit mode Repeat this procedure for all the injectors defined to work by Concentration info bermad com e www bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD BERMAD Irrigation S1 Injector 3 This screen appears only for those injectors that were defined to supply a certain dosage of fertilizer and Dosage 12 5 G terminate the injection Push the ENTER key and use the vertical arrows to select the desired injector Push the ENTER key again and insert the desired dosage Hit the ENTER key again to exit edit mode Repeat this procedure for all the injectors defined to supply a certain dosage A Dee aoe When it is required to supply some pure water prior to the fertilizers injection the quantity of Water before 201e can be defined
9. BERMAD Irrigation BERMAD Irrigation FertMaster pH 6 C Interface USER MANUAL VERSIONS 0 44 amp LATER 0 P KR Ph h Uu n m NNN N o WW N N OD UD NO OU U N W CONTENTS I INTRODUCTION TECHNICAL SPECIFICATIONS INITIAL STEPS SYSTEM CONFIGURATION CALIBRATIONS OPERATION UNDER BIC2000 STAND ALONE MODE THE PRINCIPALS OF CC AND PH CORRECTION HOW TO USE THE KEYBOARD THE MENU SYSTEM CONFIGURATION CALIBRATIONS ALARMS DEFINITION FERTILIZER SETS DEFINITION SYSTEM STATUS TECHNICAL DATA DISPLAY ACCUMULATION HARDWARE DESCRIPTION OUTPUT CONNECTIONS DIGITAL INPUTS CONNECTIONS EC pH AND TEMPERATURE SENSORS CONNECTIONS FERTMASTER ADDRESS DEFINITIONS CONTACTS SELECTION BOARD SCREENS LAYOUT FERTMASTER STAND ALONE BICPOOO C PH INTERFACE BERMAD Irrigation e l Introduction The FERTMASTER is a highly efficient control unit specially designed for controlling the process of fertilizers injection while maintain ing the desired levels of EC and pH of the treated water The unit is installed as part of an injection setup as a bypass to the mainline The FERTMASTER can be used in two working modes either as a stand alone unit or as an interface controlled by the BIC2000 irrigation controller The FERTMASTER is capable of managing simultaneously up to 6 injectors each of which can serve one of the following functions e EC control e pH contr
10. EC 2 2 Planned pH 5 6 lt lt lt Failures EC 2 1 pH 1 O 8 20 EC 105 pH 88 Average EC 2 2 Average pH 5 6 Ininatar A for Iniactar A min Configuration Enter password Configuration Number of Injector 1 for l pH correction Injector 1 min E gt gt gt 139 lt outputs gt injectors 4 Concentrat Acidic pulse 1 0 sec Configuration Water meter is WM ratio F meters 123456 FM 1 ratio meters In use 0 100 m3 p In use 0 100 tio Configuration Concent limit Concent limit E lt concentr limit gt 20 for EC 20 20 for pH 20 Configuration Current model EC control mode pH control mode lt working mode gt Dream Command Normal Fast Calibration Calibration Set default for Enter EC of Put probe in PE EC sensor EC sensor N buffer 2 76 buffer and ENTER TALGIL Calibration Set default for Calibrate sensor Calibrate sensor X lt pH sensor gt H sensor N at 7 01 N at 4 00 9 N e TALGIL COMPUTING amp CONTROL LTD Ininatar A flexu Ininatar A flaw Calibration Injector 1 flow Injector 1 flow lt Fert flow gt Enter to start 100 00 l h Longest sensing Shortest sensing Low flow pH High flow pH Calibration Enter flushing For testing Open valve with Open valve with Low water flow High water flow lt Sensor latency gt time 00 00 m s Use injector 1 Low flow ENTER High flow ENTER 05 0 m3 h 20 0 m3 h Catilinae 34 flow Technical Sensor temp 24 9 EC window 14 2 pH window 25 1 Sto
11. Several tools are given for protecting the system against improper injections As mentioned above during the configuration process we can set concentration limits that will not allow the predefined concentrations to reach dangerous values When the concentra tion limits are reached the system will not allow passing those limits and this may cause the value of the EC or pH to be far from its set point For this purpose deviation limits can be defined so that when the EC or pH values are out of the range for longer than a predefined time a fault will be reported and an alarm flag will be raised The current paragraph deals with the definition of these pa rameters along with fertilizer leakage threshold and no pulse detection period definition This subject appears only when the FERT MASTER is functioning in standalone mode while under BIC2000 command these functions are fulfilled by the BIC2000 controller Alarm definition Alarm definition EC Deviation Low EC mis High EC ms f eo 20 20 duration 05 00 duration 03 00 Alarm definition pH Deviation Low pH ms High pH ms lt pH gt H 20 20 duration 05 00 duration 03 00 Alarm definition Fert leakage No fert pulses lt Burst no flow gt H threshold 5 pls period 02 00 m s Select Alarm definition of the main menu and use the right arrow key to move one screen to the right You arrive to the submenu of the Alarms definition The vertical arrows can be used for scrolling between the vario
12. The first screen at the outputs menu entry shows the number of injectors controlled by the FERTMASTER This is the place where in stand alone mode the number of injectors should be defined However under Injectors 4 BIC2000 command the number of injectors can only be changed from the BIC2000 during system con d figuration The next screen in the outputs menu entry shows the injectors attribution which defines the function allocat Injector 1 for ed to each injector Use the vertical arrows for scrolling between the various injectors Under BIC2000 com pH control mand the attribution can only be changed from The BIC2000 constants menu In stand alone mode use the ENTER key to enable changing the attribute allocated to the selected injector The possible attributions are CONCENTRAT Injecting proportionally maintaining the concentration defined in l m3 without being influenced by the pH EC control EC CONTROL Injector participating in the EC control pH CONTROL Injector participating in the pH control PH correction The next screen at the outputs menu entry only exists when at least one injector has been allocated for pH Acidic control It shows the type of material used for the pH correction whether Acidic or Basic Under BIC2000 command this data can only be changed at the BIC2000 constant menu The next screen in the outputs menu entry serves both in stand alone mode and under BIC2000 command Injector 1 Min for set
13. The system will start injecting fertilizers only after the specified amount of water was sup plied Push the ENTER key to get into edit mode insert the desired amount of water before fertilization and push the ENTER key again to exit edit mode SEH Because all the fertilizer demands are defined as volumetric proportions calculations of the water volumes flow 400 0 GPM make use of the water flow Knowing the nominal water flow is important while there is no ability of measur ing the actual flow The system uses this information in one of the following cases when there is no water meter in use or when we have not yet received 2 water pulses therefore the flow calculation is prohibited Push the ENTER key to get into edit mode insert the desired nominal water flow and push the ENTER key again to exit edit mode 26 Sealing The correction scales of the EC and pH are used by the system as multiplication factors by which the EC 108 pH 94 96 predefined concentrations of the fertilizers are adjusted By default the correction scales are set to 10096 no correction but during the process when the actual values of the EC or the pH are away from the target set points the scales will change in order to adjust the concentration of the fertilizers bringing the actual values of the EC and pH as close as possible to the target set points When the process terminates the last correction scales are remembered in order to be used at the beginning of the next in
14. age the 4 arrow keys can be used for movement between the screens THE MENU The list of subjects included in the left most screens of the pH EC INTERFACE constitutes the main menu from which the desired subject can be selected Use the vertical arrows for moving from one subject to another and when the desired subject is reached use the right arrow key to move into the list of screens belonging to the selected subject The main menu can be reached from any screen by moving repeatedly to the left using the left arrow key The subjects included in the main menu are as follows e INTRO SCREEN e STATUS e SETS DEFINITIONS STAND ALONE ONLY e ACCUMULATION STAND ALONE ONLY e ALARM DEFINITION STAND ALONE ONLY e CONFIGURATION e CALIBRATION e TECHNICAL 5 info bermad com uiuiui bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD BERMAD Irrigation SYSTEM CONFIGURATION Configuration Enter password Configuration _ Number af Injector 1 for 1 pH correction Injector min ia Output 8 far gt gt gt 139 lt outputs gt i Injectors 4 Concentrat Acidic Pulse 1 0 sec Nat in Use Water meter Is WM ratio F_ meters 123456 FM 1 ratio 0 100 THG In use 0 100 GPH Relay 1 active C State closed 2 for Relay 3 for i 3 Leakage Y Configuration Concent limit Concent
15. creens to the right we arrive to the screens where we can define the events that Lew ae Sw will activate each alarm relay The possible alarm causes are e Low EC High EC Low pH High pH Leakage No pulses e Short circuit First you need to select the desired relay use the horizontal arrow keys to get to the desired relay Use the vertical arrows to scroll between the various alarm causes For selecting an alarm cause push the ENTER key and use the vertical arrow to mark it by the letter Y Push the ENTER again to confirm Notice that any alarm relay may have any combination of alarm causes set info bermad com e uiuiui bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD BERMAD Irrigation During the EC and pH control process the FERTMASTER is increasing decreasing the initially defined concentrations in order to keep the EC and pH set points For protecting the system against hazardous conditions we need to limit the concentration changes and not to allow them to pass certain percentage The FERTMASTER will never exceed these limits Configuration lt concentr limit gt Concent limit Concent limit Separate limits can be set for the concentration changes on the injectors defined for EC 20 for EC 20 20 for pH 20 control and for those defined for pH control Under BIC2000 command this limits can onl
16. d it is used for selecting the desired start mode Push the ENTER key and then use the vertical arrows for selecting the desired start mode confirm by pushing the ENTER key again The reaction rate of the EC control and pH control can be set to one of the three rates e Normal e Fast e Slow EC control mode Normal pH control mode By default it is set to Normal however in case a faster reaction is desired the Fast mode can be select Fast ed but if the measured value becomes too jumpy the Normal or the Slow modes should be preferred Push the ENTER key and then use the vertical arrows for selecting the desired reaction rate Confirm by pushing the ENTER key again This completes the configuration process Do not forget to do the calibrations before starting to use the system for injecting fertil izers Irrigation us bermad com e www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation CALIBRATIONS Calibration Calibration Set default for Enter EC of Put probe in gt gt gt lt EC sensor gt EC sensor N buffer 2 76 buffer and ENTER Calibration Set default for Calibrate sensor Put probe into Calibrate sensor Put probe into pH sensor pH sensor N At 7 01 N 701 hit ENTER At 4 00 N 4 00 hit ENTER Calibration Injector 1 flow Working 00 23 Insert injected Injector 1 flow lt Fert flow gt Enter to start Enter to s
17. e The following paragraph describes the steps of configuration calibration and parameters setting which must be executed prior to the first time use SYSTEM CONFIGURATION It is assumed that the working mode whether under BIC2000 control or as a STAND ALONE unit is rarely or never changed there fore the configuration step where the working mode is decided does not appear on top of the configuration steps However at the initial configuration the working mode should be checked prior to the other steps and changed if necessary When under BIC2000 control most of the parameters arrive from the BIC2000 controller and cannot be changed via the FERTMASTER panel The unit configuration consists of the following steps 1 Defining the working mode stand alone or under BIC2000 2 Defining the number of injectors the function allocated to each injector and the minimal injection time per each Defining the use of output 8 which can serve as a main valve or as an agitator control When under BIC2000 control the information can only be changed at the BIC2000 3 Defining whether water meter and fertilizer meters are in use and defining theirs ratios Under BIC2000 control the information can only be changed at the BIC2000 4 Defining the upper and lower limits of the predefined concentrations that may change during the control process The limits will never be exceeded even if the desired EC pH set points are not reached Under BIC2000 control t
18. e calculated e he correction scales for the EC and pH By default the correction scales are set to 10096 no correction but during the injection process the scales may vary and thus adjust the concentration of the fertilizers keeping the actual values of the EC and pH as close as possible to the target setpoints e he correction scales by which the previous injection terminated are used at the beginning of the next injection making use of what was learned during the previous process Sets definitions AE at the sets definition screen of the main menu use the right horizontal arrow key to get into the Dt Target The first screen deals with the definition of the target EC and pH set points At this stage the vertical ar EC 2 1 pH 5 7 rows enable arriving to the desired fertilizer set Use the ENTER key to get into edit mode and after setting the desired EC and pH set points confirm by hitting the ENTER key again In case any of the set points is not applicable set it to 00 0 on the display the word skip will indicate the fact that the particular set point is not defined 5 o The screen that deals with the selection of the desired injection mode whether proportional or bulk appears S1 Injector d Set Prop Dose only if at least one of the injectors was defined as working by Concentration and not by EC or pH Only for these injectors the user can decide the desired injection mode and is able to define a dosage that
19. failure A info bermad com e uiuiui bermad com X The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD Calibration EC sensor Set default for EC sensor N Enter EC of buffer 2 76 Put probe in buffer and ENTER BERMAD Irrigation The aging effect of the electrode and a degree of contamination which are unavoidable make it important that a calibration procedure be carried out regularly For calibration two buffers of different pH values are necessary First the sensor is immersed in a solution of pH 7 and calibrated there to compensate for the electrode offset to make sure that the graph passes through the O point of the axes Then another cali bration is made using a buffer of pH 4 or PH 10 in case of basic solutions The second calibration takes care of the graphs slope Calibration pH sensor Set default for In case there are no standard calibration buffers available the default factory calibration values can be pH sensor N used This option should be used only when there is no better solution Calibrate sensor At the first step of calibration this question should be answered positively N at 7 01 N Push the ENTER key change the selected answer into Y and confirm by another ENTER Put probe into As a result you will be asked to immerse the pH probe into the calibration 7 01 hit ENTER buf
20. fer of 7 01 After hitting the ENTER key the calibration is started During calibration the elapsed time is displayed and eventually success or failure is declared Calibrate sensor At the first step of calibration this question should be answered positively at 4 00 N Push the ENTER key change the selected answer into Y and confirm by another ENTER Put probe into As a result you will be asked to immerse the pH probe into the calibration 4 00 hit ENTER buffer of 4 0 After hitting the ENTER key the calibration is started During calibration the elapsed time is displayed and eventually success or failure is declared The flow of each of the fertilizer injectors must be accurately calibrated Notice that during the injection pro 0 0 cess the calculations rely on the calibrated flow Optionally when the system is equipped with fertilizer meters the flow measured by the meters can be manually inserted replacing the calibration results The flow calibration process is based on measuring the time it takes for injecting a Known amount of fluid into the system Prepare a known amount of fluid in a measuring jug with scaling marks Injector 1 flow Use the vertical arrow keys to select the desired Injector inset the suction tube of the Enter to start injector into the jug and make sure it reaches close to the bottom When ready push the ENTER key Working 00 23 During the suction process the elapsed time is counted and displayed Let the sucti
21. he information can only be changed at the BIC2000 5 Defining the functions of the alarm relays if such are being used CALIBRATIONS In order to achieve accurate results some calibration steps must be executed 1 The EC sensor calibration Done by immersing the EC probe into a standard solution with a known EC value By use of the key board the value is entered manually into the control unit and the calibration process is started after some stabilization time the process terminates with indication of success or failure 2 The pH sensor calibration Done in two steps first the sensor is immersed in a solution of pH 7 and calibrated there to make sure that the graph passes through the O point of the axes Then another calibration is made using a solution of pH 4 or pHz10 in case of basic solutions The second calibration takes care of the graph s slope 3 Determining the injectors flow The system must be informed about the nominal flow of each fertilizer injector The injectors should be adjusted to the minimal flow that is still enough to supply the highest demand at the highest water flow The system supplies the software tools for easily measuring these values The process is based on measuring the time it takes for injecting a Known amount of fertilizer into the system The process must be repeated per each of the injectors In case the system contains flow meters the measured flow can be found at the second screen of the TECHNICAL
22. ing time to finish e When a water meter is connected to the FERTMASTER waiting for 2 pulses of the water meter in order to be able to calculate the lowest highest flow When finished the resulting flow is dis played e njecting a pulse of fertilizer by the selected injector and starting to measure the time until the sen sor reacts to the injected pulse e Displaying the results The results can be edited therefore when there is no water meter included the minimal maximal flow can be manually inserted The first screen shows the measured flow Use the down arrow key to get to the second screen that shows the measured latency Another hit on the down arrow brings us to a third screen in which a pH cor rection factor can be defined When is the pH correction factor needed Sometimes due to chemical reactions in the water although the pH set point is perfectly kept during the whole injection process the pH measured in the water collected at the drippers or sprinklers is higher than the set point The correction factor is used for compensating for this difference info bermad com e uiuiui bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD Calibration Sensor latency Enter flushing time 00 00 m s For testing Use injector 1 Open valve with Low flow ENTER BERMAD Irrigation ALARMS DEFINITION
23. ion and use the right horizontal arrow key to get into the subject Keep moving to the right to scan all the accumulation screens S1 Last Average S1 Last Average The first two screens store the last averages of the EC and pH for each of the EC 2 1 OH 5 1 fertilizer sets when they were last operating Use the vertical arrows for scrolling between the sets W Last 82 5 HET Lage The last two screens deal with the last accumulation and the total accumulation Total 12773 m3 Total 245 1 L of the water meter and the last accumulation and total accumulation of each of the fertilizer meters Use the vertical arrows for scrolling between the various fertilizer meters Accumulation Irrigation us bermad com e www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 D BERMAD Irrigation e HARDWARE DESCRIPTION The following picture shows an external view of the FERTMASTER pH Sensor interface Main I O EC Sensor interface u t m m Sal Wm ee Set selection Power Supply FEHNSExESESE MEN contacts Loo HERD DES i l S 5 Main power Fuse 2A info bermad com e www bDermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD sd BERMAD Irrigation The following picture shows the main I O board explaining the function of its main parts
24. ith The fertilizer set contains also the expected nominal water flow that the system will use until it can measure the real water flow and optionally an amount of pure water to be measured before start ing the injection of the fertilizers Eight fertilizer sets can be stored in the FERTMASTER s memory and the selection of the desired fertilizer set to be used for the cur rent process is done by closing one of the eight selection contacts that can be connected as inputs to the FERTMASTER s selection contacts board The injection process start depends on the start mode selected the process may start right away when the system senses the clos ing of one of the selected contacts or it may start when sensing the flow of water indicated by a pulse from the water meter The process can start manually by the operator THE PRINCIPALS OF EC AND PH CORRECTION At the beginning of the process the injection will be according to the predefined concentrations assuming that the water flow is the nominal flow and that the predefined concentration of the fertilizers are assumed to give the correct EC and pH values Later when the real water flow is measured and after having the actual readings of the pH and EC the concentration is adjusted in order to bring the actual values to the desired set points The adjustment is done by correction factors one for the EC and one for the pH The cor rection factors also known as Scales start with 10096 that means no co
25. jection making use of the knowledge obtained at the previous process Use the ENTER key to get into edit mode and after setting the desired scales of the EC and pH hit the ENTER key again Irrigation us bermad com www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation SYSTEM STATUS The various status screens supply valuable information about the activity of the system including the statuses of the fertilizer sets the current and the average values of the EC and pH the values of the correction scales the current concentration and current accumulation of each of the fertilizers The information is updated online When there exist failures in the system in the main menu the second row of the status screen will indicate lt lt lt Failures Use the left arrow key to get information about the kinds of failures recorded In order to clear a failure status push the ENTER key select the answer y when asked about clearing the failure and confirm by a second ENTER Status gt gt gt S1 Running Current Scales Planned EC 2 2 Planned pH 5 6 Inj 1 0 50 m3 lt lt lt Failures C22 os EC 105 pH 88 Average EC 2 2 Average pH 5 6 Accum 1 2 Itr SEMI Wiener TTS ad being at the status screen of the main menu use the right horizontal arrow key to get into the sub ject The first status screen shows the statuses of the various fertilizer
26. nd while the communication with the CPU board is functioning normally The original design took into consideration 2 interfaces of EC and 2 of pH sensors therefore each of the interface boards contains an address selection jumper Currently only one sensor of each type is recognized by the software therefore the address selection jumpers should be set to 1 as shown in the pictures below measured fluid therefore the sensor has a polarity and this polarity must be taken in consideration while connecting the sensor to the board The pH sensor is supplied with a shielded cable the shield is negative _ and should be connected to the terminal marked as while the inner cord should be connected to the terminal When the shield is covered and cannot be seen the colors of the wires indicate the polarity black wire the negative and red wire positive Notice that the pH sensor acts like a battery that generates a DC voltage that depends on the acidity of the E b The EC sensor and the temperature sensor have no polarity therefore the order of connection of the cords is insignificant as long as you don t mix between the sensors In many cases the EC and temperature sensors arrive as one unit that contains both sensors This unit will have 2 wires for the EC sensor and 2 for the temperature sensor Usually there will be a marking to indicate which pair of wires belongs to the EC sensor and which pair to the temperature senso
27. ol e nject without pH EC control maintaining a desired concentration In addition to the 6 injectors the FERTMASTER can control the main valve and the booster pump can read a water meter and the fertilizer meters The principal of the EC and pH control is implemented by continuously varying the predefined concentrations of the various fertilizers relatively to the deviation of the actually measured EC and pH values from the desired set points The resulting correction factors are displayed and stored for the next injection process helping the rapid and smooth convergence HEU EUR e d g ut F TECHNICAL SPECIFICATIONS Energy source 220 or 110 V AC 50 60 Hz Power 72 VA Casing NEMA 4 Temp range 0 60 C operating Outputs 8 outputs of 24v AC Booster pump activation by solid state relay Digital Inputs 8 Dry contact inputs water meter fertilizer meters Additional 8 inputs can be added for selection contacts Analog inputs pH sensor 0 14 EC sensor 0 10 mSiemens cell constant 1 temperature sensor PT100 3 info bermad com e www bDermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD BERMAD Irrigation INITIAL STEPS The following pages supply the basic information necessary for setting up and using the FERTMASTER assuming that all the hy draulic and electric connections were properly mad
28. on ENTER to stop continue until the jug is almost empty and then push the ENTER key again Measure the remaining amount of fluid and calculate the injected volume Insert the result at the fol lowing screen Insert injected 5 Volumes 0 000 The process must be repeated per each of the injectors Irrigation us bermad com e wwiw bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation The sensor s latency defines the time it takes between the moment of injection and until the sensors detect the result of the injection Knowing the latency is important for the stability of the control process Since the latency is influenced by the water flow in the main line it is measured at two points at the lowest flow and the highest flow and between this points an interpolation takes place Prior to starting the latency measuring the pipes should be flushed by pure water The user can decide how much time he allocates for the flushing Any of the injectors can be used for the latency measuring Push the ENTER key and use the vertical ar rows for selecting the desired injector and confirm by ENTER For measuring the latency the user is requested to open the valve with the lowest highest flow after opening hit the ENTER key to start the process During the process the display shows the steps being executed The process consists of the following steps e Waiting for the flush
29. p reason Fertilizer 1 flow SE EC 1 0 pH 0 Latency 20 0 sec Latency 30 0 sec Stopped by Dream 100 00 l h ea Irrigation us bermad com e www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 Da BERMAD Irrigation 25 info bermad com e www bDermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD sd 0 5568 Sa BERMAD Fire Protection ir e Wi T The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD I
30. polarity has no importance All the termi nals have one common wire interconnected on the board it is marked by the letter c 10 0 6 mme nmnmenmems te ee pl 5 E eet cl 26 1 1 e e m Fert 1 Fert 2 Fert 3 Fert 4 Out 1 C Out 2 C Out3 C Out4 C f DIGITAL INPUTS CONNECTIONS The terminal block of the digital inputs is arranged in two rows one above the other Each row contains 4 inputs the odd numbered inputs at the bottom row and the even numbered inputs at the upper row Each pair of inputs has one common terminal marked by the letter G The first 6 inputs are used for the fertilizer meters Input 8 is used for the water meter and input 7 is not in use The picture below shows for example how Fertilizer Meters No 1 and No 3 should be connected 1 3 00707 d c 4o yu 9 1 n4 6 Jing ba Ind G linS wi G E FM 1 FM 2 info bermad com e www bDermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved Copyright by BERMAD et BERMAD Irrigation EC pH AND TEMPERATURE SENSORS CONNECTIONS The EC pH and the temperature sensors are connected to the FERTMASTER through interface boards The interface boards are connected to the CPU board by a flat cable plugged into each of the boards Each of the interface boards has a red led that blinks every seco
31. r however there is a way to find out which pair of wires belongs to the temperature sensor in case the marking is missing The temperature sensor is of the type known as PT100 which has a resistance of about 100 Ohms so by measuring the resistance between the wires the pair that shows a resistance of 100 Ohms belongs to the temperature sensor Irrigation us bermad com e uiuiui bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation eee The pH terminal Blinks when Address selection The flat cable Notice the polarity communication is OK jumper set to addr 1 connector bs 1 be eu Ire en De ag Cl BL NT SN M TAG GECECYW 2S Bees Fees 11108 72222 rie KW E Temperature and Blinks when Address selection The flat cable EC terminal communication is OK jumper set to addr 1 connector a E been Ja TE24 D v l TALGIL 2004 3 el A info bermad com e www bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any wos errors All rights reserved Copyright by BERMAD RMAD BERMAD Irrigation FERTMASTER ADDRESS DEFINITIONS When defined to work under DREAM command the FERTMASTER is just another interface connected to the DREAM and like all other interfaces it needs to have a unique address by which it will be recognized by the DREAM during communication The address is set by the address switch u
32. ration Enter password Configuration Number of Injector 1 for pH correction Injector 1 min 8 Output 8 for 222 139 outputs injectors 4 Concentrat Acidic pulse 1 0 sec Not in use Configuration Water meter is WM ratio F meters 123456 FM 1 ratio lt meters gt In use 0 100 m3 p Inuse 0 100 Ip lio 4 Relay 1 active um Configuration state closed Relay 1 for Relay 2 for Relay 3 for Spe Alarm relays Tung SU OWIEC Y HighpH Y Leakage Y Configuration Concent limit 96 Concent limit 96 concentr limit 20 for EC 20 20 for pH 20 Configuration Current model Start mode EC control mode pH control mode working mode Dream Command Cont WM pulse Normal Fast Calibration Calibration Set default for Enter EC of Put probe in gt gt gt lt EC sensor gt EC sensor N buffer 2 76 buffer and ENTER Calibration Set default for Calibrate sensor Calibrate sensor lt pH sensor gt pH sensor N at 7 01 N at 4 00 N Intactar A flaw Ininatar A flaw Calibration Injector 1 flow Injector 1 flow L h Fert flow Enter to start 100 00 Vh O Low flow pH High flow pH Calibration Enter flushing For testing Open valve with Open valve with Low water flow High water flow lt Sensor latency gt time 00 00 m s Use injector 1 Low flow ENTER High flow ENTER 05 0 m3 h 20 0 m3 h Technical Sensor temp 24 9 EC window 14 2 pH window 25 1 Stop reason Fertili
33. rrection and are increased or decreased according to the deviation to be corrected Defining the permitted range of change of the Scales is part of the configuration process At the end of the injection process the last values of the Scales are stored so that the next time the system start with the corrected concentration values however if the user decides to manually adjust the predefined concentration according to the resulting Scales the adjust ment can be done but then the Scales will be readjusted to 10096 HOW TO USE THE KEYBOARD The pH EC INTERFACE is equipped with a keyboard of 5 buttons serving both Vertical S the data insertion and the movement between screens The colored key in the arrow key SE middle is the ENTER key used for changing the function of the other 4 keys K J the arrow keys The data insertion mode is indicated by a blinking black rect 4 1 b Ext em Za angle Cursor appearing on the screen in one of the editable fields en Horizontal During data insertion the vertical arrows are used for changing the value under EM neath the cursor and the horizontal arrows enable the movement of the cursor 7 arrow key between the digits The ENTER key serves also for confirmation of the inserted j value and for movement to the next editable field on the screen After pass ENTER key ing the last editable field the cursor disappears from the screen indicating the end of the data insertion mode At this st
34. sets along with the temporary averages of the EC and pH Use the vertical arrows to move from one set to another The temporary averages are calculated within a moving time window that contains a number of samples measured during the last few seconds When the Alarm output is activated it will be indicated by the letter A at the upper right corner of the screen The second status screen shows the statuses of the inputs the outputs and the rate of the water flow The screen can also be used for manual activation of the outputs for testing The upper row shows the status of the dry contact inputs each input with an open contact is indicated by a sign and a closed contact by a sign The bottom row shows the status of the outputs The activated outputs are marked by sign The water flow is shown at the right side of the screen When the display shows the nominal flow it will be indicated as Nominal In order to manually activate outputs push the ENTER key use the horizon tal keys to get to the desired output and by the upper arrow you can turn the output ON and OFF To exit edit mode push the ENTER key again Once an output is turned ON it is the user s responsibility to turn it off again Current Scales As explained above the correction scales are used for adjusting the predefined concentrations of the EC 105 pH 88 fertilizers used for the EC and pH control in order to bring the actual EC and pH values to their target set
35. sing a binary code When a dip switch is raised to the ON position it indicates 1 Use the table below for conversion BINARY VALUE TO BE SET BY THE DIP SWITCH POSITIONS CONTACTS SELECTION BOARD When the FERTMASTER is used in the stand alone mode it has to be added the selection contacts board to which 8 dry contacts can be connected The selection contacts enable selecting one of the 8 predefined fertilizer sets to be used during the injection process The selected fertilizer set contains the definitions of the required concentrations of the fertilizers and the desired set points of EC and pH The way to connect the 8 selection contacts 5 2 DAMS AOE an Fr i at ctn D T M i arm z orm T EN SS EAE S HELU3 The selection contacts board contains also 3 alarm outputs that can be set to be activated in various alarm conditions Irrigation us bermad com www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 BERMAD Irrigation SCREENS LAYOUT pH controller FERTMASTER Stand Alone 1 Talgil VXX SEH S1 Running W Flow Current Scales Planned EC 2 2 Planned pH 5 6 Inj 1 0 50 I m3 lt lt lt Failures EC 2 1 prio O 18 20 EC 105 pH 88 Average EC 2 2 Average pH 5 6 Accum 1 2 ltr
36. te pulses there is an option to count 10 pulses or 100 pulses before transferring a pulse to the BIC2000 this way the real pulse rate is divided by 10 or by 100 before being reported to the BIC2000 To use this option consult our technical staff E ees eda In stand alone mode we need to define whether or not fertilizer meters are in use Push the ENTER key and use the horizontal arrow keys to move between the meters and use the vertical In use Eechen arrows to put a sign under each meter that exists in the system w ene Each of the existing fertilizer meters must have its ratio defined Use the vertical arrows to reach the desired 0 100 THG p fertilizer meter and then push the ENTER key and insert the ratio as indicated on the specific meter Configuration The following submenu subject is available in stand alone mode only Optionally 3 alarm relays can be Alarm relays operated by the FERTMASTER unit Each of the alarm relays can be set to operate in normally open or normally closed modes and each of them may be defined to react on various alarm conditions j Relay 1 active The next screen is where you can set the operation mode of the relays either to normally open or to nor state closed mally closed mode Use the vertical arrows for scrolling between the relays and then push the ENTER key ITANE and again use the vertical arrows to select the active state closed or open Relay 1 for Moving to the following s
37. ting the minimal injection pulse width of the injectors Use the vertical arrows for scrolling between Pulse 0 5 Sec the injectors and push the ENTER key to enter exit edit mode The last screen at the outputs menu entry shows the use of output No 8 of the FERTMASTER It can be Output 8 for used either for a main valve or an agitator Under BIC2000 command the allocation can only be done from Not in use the BIC2000 during system configuration Irrigation us bermad com www bermad com 1849 Thunderbolt Drive Porterville CA 93257 Tel 877 577 4283 Fax 800 839 3884 Ir BERMAD Irrigation Configuration The following submenu subject deals with the water and fertilizer meters configuration To get into the sub lt meters gt ject screens use the right horizontal arrow When under BIC2000 control the meters configuration is done at ENSE the BIC2000 only WM ratio When a water meter is in use its ratio must be defined The ratio of the water meter indicates how much 0 100 THG p volume is represented by each pulse of the water meter When under BIC2000 command the water meter can be connected either to the BIC2000 or the FERT MASTER In both cases the ratio of the water meter will be defined at the BIC2000 but can be viewed at the FERTMASTER as well When connected to the FERTMASTER the pulses of the water meter arriving to the FERTMASTER are by default transferred immediately to the BIC2000 however for being able to read fast ra
38. top Volume 0 00g 100 00 G h Calibration Enter flushing For testing Open valve with lt Sensor latency gt Time 00 00 m s Use injector 1 Low flow ENTER Longest sensing Low water flow 05 0 gom d High water flow 00 0 gom For entering into the Calibration subject from the main menu use the right horizontal key After entering into the Calibration subject we arrive to the internal submenu that can be recognized by the title Calibration at the upper row and the subtitle at the second row Use the vertical arrows for moving between the various subtitles in order to reach the desired calibration you want to make The calibration of the EC sensor is done by immersing the EC probe into a standard solution whose EC value is known and by telling the control unit the expected value After starting the process the unit takes some stabilization time and the process terminates with indication of success or failure In case there is no standard calibration fluid available the default factory calibration value can be used This option should be used only when there is no better solution This is where you need to insert the EC of the calibration solution you are using Push the ENTER key insert the value and confirm by another ENTER Immerse the sensor inside the solution and press the ENTER key to start the calibration process During the calibration process the system displays the elapsed time and eventually it indicates success or
39. us options Alarm definition Alarm definition Because of the similarity of the two subjects we shall describe them in parallel lt EC gt pH Use the right arrow key to get into the subjects EC Deviation oH Deviation The lower and upper limits of deviation of the EC and pH values are set as a 2096 20 20 20 percentage from the target setpoint Use the ENTER key to get into edit mode insert the desired lower limit confirm by ENTER insert the desired upper limit and use the ENTER key again to exit edit mode Defining how long will the system tolerate a too low EC or pH values before declaring an alarm condition Use the Enter key to get into edit mode insert the desired time and confirm by another ENTER High EC mis High pH mis Defining how long will the system tolerate a too high EC or pH values before duration 03 00 duration 0200 declaring an alarm condition Use the Enter key to get into edit mode insert the desired time and confirm by another ENTER This subject of the submenu exists only when at least one of the injectors has fertilizer meters defined Use Alarm definition lt Burst no flow gt j the right arrow key to get into the subjects Fert leakage Defining the number of illegal pulses arriving while the injector is stopped that will indicate a fertilizer leak threshold 5 ols age problem Use the Enter key to get into edit mode insert the desired number of pulses and confirm by another ENTER No fert
40. y be changed from the BIC2000 constants menu This is the place where you can choose the working mode whether in stand alone mode or under com mand of a DREAM controller In stand alone mode you will need to define the way the injection process will be started Other decisions to be made at this stage are about the reaction rate of the FERTMASTER when trying to correct variations of the actual EC and pH from their set points Configuration working mode Relay 1 for Push the ENTER key and then use the vertical arrows for selecting the desired working mode whether in SIE ON EO COE stand alone mode or under DREAM command Confirm by pushing the ENTER key again Gert seele In stand alone mode it is necessary to tell the FERTMASTER which of the 8 predefined formula of fertilizers Cont WM pulse fertilizer set should be used during the next injection process and how would the injection process start For the purpose of selecting the desired fertilizer set there are 8 selection contacts against the 8 fertilizer sets each contact selects the matching fertilizer set and if the start by Contact mode was selected clos ing the contact will also start the injection process If the selected start mode is Cont WM pulse closing one of the selection contacts will select the desired fertilizer set but the injection process will start upon receiving a pulse from the Water Meter The screen to the left appears only in stand alone mode an
41. zer 1 flow aaa EC 1 0 pH 7 0 Latency 20 0 sec Latency 30 0 sec Stopped by Dream 100 00 I h 23 info bermad com uiuiui bermad com The information herein is subject to change without notice BERMAD shall not be held liable for any errors All rights reserved O Copyright by BERMAD BERMAD Irrigation BIC2000 EC PH INTERFACE EC pH controller Talgil VXX Status gt gt gt Status Running W Flow Scale Planned
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