abc The Filtron The Filtron
Contents
1. Does the unit control a master valve 2 Is a delay valve included 3 How many flushing stations will be activated 4 Do you intend to use a water meter to flush volumetrically 5 In case of malfunction do you want an alarm activation To start the configuration process you have to press both the horizontal arrows simultaneously As aresult the following display will be shown 12345678 Water Meter Water Meter FFFFFMVA PLC Alarm output 8 Delay valve output 7 Master valve output 6 Flushing valves outputs 1 5 The screen shows the previous configuration n order to reconfigure the Filtron to meet your needs execute the PLC definition as described below Notice that configuration changes are not allowed during the flushing process If there are changes during the flushing process the below display will be shown FLUSHING ACTIVE PLEASE WAIT Press the right hand arrow to begin the PLC definition process and the following screen will be displayed FOR NEW PLC PRESS NTER gt Press the lt enter gt key and the following screen will be displayed NO OF FILTERS 5 Use the UP arrow to set the proper number of filters and press lt enter gt The following steps define whether or not your system is intended to control a master valve a delay valve an alarm or to read a water meter Press the key and a negative by any of the arrows for a positive response The definition screens for the A M de2. Please Wait Filtron Full Screen Diagram The Talgil Press lt Enter gt Water Volume Meter Ratio Cycle Time Dwell Time Valve Delay Flushing Time D P Delay Filtron v3 0 Pad Test Solenoids c m h 00 100 c m in _ A Sec Sec I ntroduction Screen Solenoid Test Set water volume Set water meter Set cycle Set delay between Set valve delay Set flushing time Set reaction delay bet ween f lushings ratio pulses n I nterval stations if exists per station to a change in D P Main Screen Current status Display Manual Stop Release nter gt DP Fault No Master Delay ToNext DPOff Manual Start ee i ae Water Accum Erase Accum Battery Voltage Manual Pause of False Flushes Sec _ mie lt nter gt oe lt Enter gt 12 10 volt lt Enter gt No of Starts stop of flushing Dp by pressure water counters and display Pause and No of consecutive Delay bet ween manual start Water accumulation Clearing starts Battery voltage Manual flushings considered main valve and as f ault first station cycle Ti by time water accumulator release Ma Manual Current Flow _ Left Volume _ Vo by volume Current flow rate and volume left to next cycle
3. ater Volume 100 cm This means that flushing will take place after each 100 cubic meters measured by the water meter The range is 1 999 cm The volume pulse ratio of the water meter is defined in the following screen The fraction represents the volume measured by each meter pulse The range is 1 1000 100 cm Meter Ratio 10 100 cm The flushing cycle defines the interval between successive flushing sequences while using time units and it is measured in minutes 1 9999 f a flushing sequence was started for any reason the countdown to the next cycle is reset Setting the cycle to zero means that the backflushing will not be time based but will depend on the D P only The screen used for setting the flushing cycle looks like the following Cycle Time 100 Minutes Setting the Dwell Time The dwell time is the delay measured between flushing of two successive stations It is measured in seconds 1 99 Dwell Time 5 Seconds W hen a delay valve exists inthe system you need to define the delay between the actions of the flushing valve and the delay valve The range is 1 99 seconds If the configuration does not include such a valve the following screen won t appear Valve Delay 10 Seconds The flushing time defines the period of time during which the flushing valve is kept open The range is 2 240 seconds Setting the Valve Delay Setting the Flushing Time Flushing Time 30 Seconds The Di
4. on low pressure D Activating alarm if necessary The DC and AC Models The Filtron is available in both DC and AC models The two models differ in the energy sources and in the types of solenoids used The DC model is powered from a 12V Alkaline battery and it activates 12V DC latching solenoids The DC model has very low power consumption The AC model of the Filtron is powered from a power supply unit which supplies 24V AC both for the controller and for the solenoids The AC model depends on the 24V AC for solenoid activation This means that when there is a power shortage activations will not take place and no inf or mation will be lost n general the DC and AC models are similar with only a few differences These differences will be pointed out when applicable Using the Keyboard The Filtron is equipped with a keyboard of 5 buttons as shown below The fenter i key is in the center and the keys have arrows Please note that there are both horizontal and vertical arrows The lt Qimteta gt key is used for a Entering or accessing the screen in order to change a value a Confirmation after insertion of a numerical value a Positively responding when there is a yes no question The arrows are used for a Movement between screens a Changing numerical values in the following ways The upper arrow increases the value by one 1 The lower arrow decreases the value by one 1 The right arrow shifts the digits
5. to the right The left arrow shifts the digits to the left Exception Pushing the two horizontal arrows simultaneously will bring you into the PLC definition mode in which the configuration is defined by specifying the various devices connected to the Filtron The Start Up The start up process consists of the following steps Connecting the energy source Configuration process PLC def inition Connecting the input out put devices Testing the solenoids Defining the flushing program parameters PUNE 1 Connecting the Energy Source As in any electric device the Filtron wont work without a proper energy source The proper energy source for the DC model is a 12V Alkaline battery and for the AC model it is 24V AC generated from the mains Connect the energy source as described in the drawings in paragraph 3 under the labels DC Board Connections and AC Board Connections Please note that in the DC energy source the and the cords should not be interchanged As a result of the energy source connection you will see the following introductory screen The Filtron Talgil ver 3 6 Failure to get this display is an indication of an incorrect connection of either the energy source or the display s flat cable 2 Configuration Process PLC Def inition During the configuration process the system s structure and the appropriate parameters are defined The following information is needed 1
6. 8 2 4 2 4 6 8 i ic ic ic ic not used toc 0c toc 0C ie fetal ec fia Ss aoe ea toc 0Cc toc 0C ic ic ic ic 1 3 5 7 1 3 5 7 For Inputs nput 1 Differential Pressurestat nput SO OID Input 2 Pressurestat C Common NO NC Input 3 Water meter nput c Black Red o Red Black battery 12V White White Each DC solenoid has three wires and each output connection on the terminal board has three positions market 0 C The white wire is always connected to the the red wire is normally connected to 0 and the black wire connects to C Inthe instance of a normally closed valve switch the positions of the red and the black wires AC Board Connections The following wiring diagram shows the AC board s power and 1 0 connections We added the description of the wiring for an expansion card that can be added to expand the number of outputs Special attention has to be paid to the connection of the 24V AC to the expansion card The polarity is important even though we are talking about AC Keyboard and LCD plug Inputs 1 8 Filtron 10 AC Buzzer Outputs 1 10 Not Used 2 AG o w oc oc oc oc oc 3 5 220VAC The transformer Inpl D P is located below Inp2 Pressuresta the printed card Inp3 water Meter Connect these wires EXACTLY as shown JMO H Expansion Board 12 Brown c 24 V AC Blue Blue Connectors outputs Outp
7. FILTRATION SYSTEMS The Filtron User s Manual Ver 3 6 Table of Contents The Number of Filters 8 Delay Valve 8 Water Meter 8 DC Board Connections 9 Setting the Dwell Time 13 Setting the Flushing Time 13 The Master Delay 14 Introduction W hat is the Filtron The Filtron has been specially designed for filter flushing control and you will soon find out that it has very unique features a Available in both DC or AC models Q Reading 1 differential pressurestat l water meter 1 low pressure detector a User defined configuration includes M ain valve yes no Delay valve yes no Water meter yes no Alarm yes no Number of stations yes no a All user parameters are user definable namely Flushing cycle Flushing time Dwell time Differential pressurestat delay The number of successive operations considered as faulty operation Master valve delay aSolenoid test mode aStart flushing according to time interval aStart flushing according to pressure difference aStart flushing according to volume measured by water meter QM anual start stop of flushing sequence aReal time activity display aF ull activity monitoring includes Number of manual activations Number of time based activations Number of differential pressurestat activations Number of volumetric activations a Water meter accumulation a Detecting and eliminating endless circular repetitions a Automatic pause
8. ed whenever activated 5 Defining the Flushing Program Parameters The parameters that dictate the flushing process will be defined in the following steps Answer the following questions 1 If you are using a water meter how will the volumetric flushing cycle be measured in cubic meters 2 If you are using a water meter what is its volume pulse ratio 3 In minutes what is the flush cycle time 4 In seconds what is the dwell time 5 What is the valve delay time in seconds if your system includes a delay valve 6 What is the required flushing time in seconds 7 What should be the reaction delay to the change of status of the D P Differential Pressurestat 8 How many consecutive flushing sequences does it take to be considered a faulty circular activity situation Setting the Flushing Cycle The flushing cycle can be expressed in terms of time and or volumetric units The first event to occur will cause the start of a flushing sequence and will reset both the volumetric and time based counters Flushing sequence caused by the D P Dif ferential Pressurestat will also reset both of the counters The possibility to express a volumetric flushing cycle depends onthe existence of a water meter The screens dealing with the water volume and the water meter ratio will not be displayed if the water meter has not been declared The following screen should be used to express the flushing cycle in volumetric units W
9. fferential Pressurestat D P If the system contains a D P then the following two parameters must be defined The first parameter defines the delay needed for the D P to stabilize This time is measured in seconds 2 30 and it is set in the following screen D P Delay 4 Seconds The second parameter defines the circular looping limit The looping may be caused by the D P remaining constantly ON causing as endless flushing loop The circulation limit 0 9 is set via the following screen D P Fault No of False Flushes 4 If O is selected the looping detection mechanism is suppressed When the limit is exceeded the Filtron will stop flushing by D P and continue flushing by time or volume If an alarm has been defined it will be activated The following screen will be displayed D P Fault Release by NTER gt To resume normal operation simply press the senter gt key The Master Delay The delay between the master valve and the first flushing valve is called master delay and it is defined in seconds 0 99 in the following screen Master Delay 5 Seconds Process Monitoring and Manual Actions The Main Screen The main screen supplies on line information about the current status of the system Therefore its appearance varies according to the actual situation During the countdown between flushing cycles it will have the following form ToNext D P Off Start 83 21 m
10. he voltage drops below 10 volts the following warning appears on the screen Warning Low Battery The Filtron ceases all activity when the voltage drops below 9 volts The following screen is displayed Closed Replace Battery If for any reason the Filtron remains idle for any length of time a manual halt could be caused Manual Pause Manual Pause lt nter gt All activity including manual activity will be unresponsive W hen trying to reactivate the flushing sequence the following screen will appear Release M anual Pause First The manual pause is not allowed when the flushing process is in progress As long as the system is in pause the buzzer keeps sounding as areminder that the system is halted and it is the responsibility of the user to free it fromthe MANUAL PAUSE position To release the system from pause the same screen is to be used Manual Pause Release nter gt To resume normal operation press the lt enter gt key again Low Pressure Halt W hen a low pressure sensor is used it has to be connected to input no 2 IN2 When the sensor s contact closes for at least one minute it will stop the activity of the Filtron The following message will be displayed Pause Sensor Halt The Filtron will remain halted until the contact opens Timing Diagram ee Timing Diagram Main Valve o Z Delay Valve Flushing Station 1 Flushing Station 2 Flu
11. inutes We are informed about the time left to the next cycle 83 minutes and 21 seconds and the current reading of the D P OFF W hen a water meter has been declared and you want to see how much water will pass through the water meter until the next cycle just press the lower arrow and the f ollowing screen will show the requested inf or mation Current Flow 128 Current flow Left Volume 23 Volume left Both the volumetric and the time based counters count backwards The first to reach 0 count will cause the start of a flushing cycle during which the second counter is also cleared During the flushing sequence the main screen displays the various stages of the process The following example shows the way the main screen will look when the starting cause was the D P When the reading of the D P changes the Off will be replaced by On and after the D P Delay the flushing cycle will start Blinking DP On Master Delay 6 Fi 1 DP On V Delay Time 6 Fi 1DV DP On Flushing 25 Fi 1 DP Off V Delay Time 3 Fi 1 DP Off Dwell Time 2 Fi 2 DP Off V Delay Time 9 The master valve is open The master valve is open Filter station lis open The master valve is open Filter station lis open Delay valve is open The master valve is open filter station lis open Delay valve is closed The master valve is open Filter station lis closed The master valve is
12. open Filter station 2 is open All valves are closed ToNext DP Off Start 99 05 Min W hen the master valve and or the delay valve are not indicated the relevant screens will not be displayed W hen the flushing cycle is in progress no configuration changes or solenoid tests are allowed Trying to execute one of these actions will result in the following message Flushing Active Please Wait Manual Start Stop Go to the following screen located to the right of the main screen to start a manual flushing cycle Manual Start lt nter gt Pressing the lt Enter key will immediately start the flush cycle The flushing sequence when activated can be stopped manually by using the following screen Manual Stop lt nter gt Various Counters The Filtron counts the various flushing cycles The results are displayed as follows Started by D P DP 156 Ti 10 Started by Time Started Manually Ma 2 Vo 16 Started by Volume W ater Accumulation When a water meter is defined the water accumulation is displayed on a screen appearing to the right of the counter screen W ater Accumulation 120 c m Clearing Accumulators Press the center Enter key to clear the counters Erase Accum lt nter gt Checking the Battery Level The battery level can be checked on the f ollowing screen Battery Voltage 12 58 volt The battery level is automatically computer checked once per hour When t
13. shing Station 3 A Master Delay B Valve Delay C Flushing Time D Dwell Time P L C Definition To enter PLC definition simultaneously press the two horizontal arrow keys To main screen To main screen 12345678 W Meter for new PLC FFFFFMVA PLC Press enter gt gt No of Filters For Master Valve Main Valve To main screen To main screen Press nter gt initi For Delay Valve Press nter gt For Alarm Press nter gt For Water Meter Press nter gt Remarks The screens dealing with water meter main valve and delay valve will not appear unless defined PLC The main screen appearance will change according to the current status DP on means existing pressure difference DP off means no pressure difference Pop Up Screens for Special Situations Low battery the Filtron will continue functioning Prepare to replace battery Warning Battery Low The battery voltage is below 9 volts The Filtron stops Replace the battery Closed Replace Battery W aiting caused by low pressure sensor Pause Waiting caused by exceeding the limit of consecutive starts caused by the DP P D Fault Press lt nter gt Release Whenever a range limit is exceeded the range limits will be displayed Range Error W hen trying to start a manual sequence during manual pause condition Release M anual Pause First W hen trying to do PLC changes when the flushing process is in progress Flashing Active
14. uts 11 22 12 14 16 18 ZO 22 oc oc oc oc oc oc oc oc oc oc oc oc WE dS ds dy 19 2l Each AC solenoid has two wires and each output connection on the AC terminal board has two positions one marked by an ordinal number and the other marked C The order of connection of the 2 solenoid wires makes no difference as long as the proper solenoid is connected to the proper output location 4 Testing Solenoids The Filtron is capable of testing the solenoids Each solenoid is tested for opening and closing inthe DC model The machine will automatically test the 8 stations sequentially Press the fenter gt key to start the process Press e nter gt Test Solenoids Failure Success Test Solenoid amp Test Solenoid 1 op No Connection Glaze aOKer est op cl Meaning open or close according to the action being tested If you get a no connection message check out the board connections If no problem is indicated then try to replace the solenoids Inthe AC model the solenoids are tested against being short circuited When a short circuit is detected the solenoid is marked SHORTED and won t be activated until the Filtron is informed that the problem is solved The first screen to the right of the Introductory screen will notify us that the short circuited solenoids and the same screen are used for signaling the end of the problem just push the lt enter gt key The AC model solenoids are continuously test
15. vices will be displayed as follows FOR MASTER VALVE PRESS lt NTER gt FOR DELAY VALVE PRESS lt NTER gt FOR ALARM PRESS lt NTER gt FOR WATER METER PRESS lt NTER gt W hen the configuration process is completed a screen will be displayed showing the order of the solenoid connections of the various valves to the terminal board Press the lt enter gt key to return to the main screen 3 Connecting the nout Output Devices The Filtron recognizes three types of devices Differential Pressostat DP Measures the pressure difference between the inlet and outlet of the filter indicating a need for flushing whenever the difference rises above a preset value Low Pressure Sensor LP Detects low pressure situations when the flushing isnt effective and stops it This can also be used for synchronizing the flushing with the start of irrigation Water Meter WM Measures the water volume flowing through the filters def ining the flushing sequence volumetrically Each nput device has its own connection point on the terminal board DP is always connected to input no 1 I N1 LP is always connected to input no 2 IN2 WM is always connected to input no 3 I N3 There are some differences between the AC and DC models in the way the 1 0 devices are connected to the boards The following drawings show the differences DC Board Connections Filtron 8 DC Keyboard and Buzzer Inputs 1 8 Outputs 1
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