deeterflow ® Automatic Liquid Dispenser Manual
Contents
1. Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 28 of 29 Deeter Automatic Liquid Dispenser User Manual R Restart This command will restart a paused dispense T report Target volume This command will return the target volume in the form T lt XXXXX gt lt CR gt where lt xxxxxx gt is the volume in centilitres V set Volume 00010 10000 Sets the target volume in centilitres A after the command character will report the target volume same as the T command W set Warning beep off on 0 1 A after the command character will return the current status of the Warning Beep X set calibration percentage 120 to 120 Sets the percentage calibration adjustment in units of 0 1 The first parameter must be or A after the command character will report the calibration same as the Y command Y report calibration This command will return the present calibration in the form Y lt S gt lt Xxxx gt lt CR gt where lt s gt is the sign character or and lt xxx gt is the adjustment in 0 1 units O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 29 of 292. Press UP to increase the volume Hold the button to rapidly increase the volume The maximum setting is 100 00 litres Press DOWN to decrease the volume Hold the button to rapidly decrease the volume The minimum volume setting is 0 20 litres Hold the UP button and then ENTER to manually deliver a dose or a top up at the end of a normal dispense see Top up Dispensing Hold the ENTER button for 3 seconds to access the Option Menus 5 2 1 Ready State Untimed R E A D Y L i 1 0 0 0 t r e s In the Untimed mode a single press of the ENTER button will start dispensing The remote switch can also be used to start Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 6 of 29 Deeter Automatic Liquid Dispenser User Manual 5 2 2 Ready State Interval Timed 0 0 1 9 I N T E R V A L 0 1 1 0 0 0 L 0 0 In Interval Timed mode dispenses are started automatically at regular intervals An interval of between 1 minute and 24 hours can be set in one minute divisions The top line of the display shows the interval setting in hours and minutes The bottom line shows the volume and the countdown time The colon of the countdown time blinks every second to indicate the passage of time Seconds are not shown so a displayed time of 00 00 for example will indicate that there is less than one minute remaining 5 2 3 Ready State Daily Timed T I M E D
3. Pressing ENTER returns to the Option Menu 6 2 Priming Mode Priming Mode can be started via the Option Menus or automatically if the pump remains on for 15 seconds when it should have switched off from the Ready or Paused states At the start of Priming Mode the pump is switched off and the valve is closed P R 1 M N G P U M P O F F V A L V E CL O S E D Pressing UP toggles the pump on and off Pressing DOWN toggles the valve open and closed ENTER will returns to the Option Menu and close the valve if it was left open If this mode was started automatically from the Ready or Paused states ENTER will still access the Option Menu and enable the operator to return to Ready state The system can be primed by switching on the pump and opening the valve until air has been flushed out Closing the valve should then cause the pump to stop automatically and priming has been successful If the dispenser entered this mode from normal operations the dispenser will automatically return to the Ready state when priming has been successful If Priming Mode was entered from the option menus priming may be continued and the display will show P R M E D P U M P O N V A L V E C L O S E D Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 12 of 29 Deeter Automatic Liquid Dispenser User Manual 6 3 Timed Mode Selection Press UP or DOWN to cycle through the four
4. Stop Go enables the input to halt dispensing If dispensing had started it will pause and when the input returns to the inactive state dispensing resumes Stop End enabled the input to halt dispensing If dispensing had started it will pause and when the input returns to the inactive state the dispenser will return to the Ready state Start allows the input to start dispensing in untimed mode only This function is different to the Remote Switch input in that it will not pause or cancel delivery once dispensing has started Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 16 of 29 Deeter Automatic Liquid Dispenser User Manual 6 11 Transistor Output Menu Oo U T P U T DI S P E N S E UP and DOWN cycle through the output options ENTER saves settings and returns to the option menu Transistor output options are e Disabled output not used e Dispense output is active whenever the dispenser operates e Finish active for 2 seconds at the end of a dispensing e Warning active whenever as error condition occurs that would cause a warning beep see Sound Menu e Alarm active if an external input is assigned to Alarm and is active e Stop active if an external input is assigned to Stop and is active 6 12 Sound Menu There are two audio options FINISH BEEP and WARNING BEEP F I N I S H B E E P O F F W A R N I N G B E E P O N Pressing UP toggles the FINI
5. 1 2 1 0 0 0 L 1 3 In Daily Timed mode dispenses are started automatically at set times of the day Up to eight start times can be set The top line shows the time of day with the colon blinking to indicate the passage of time The bottom line indicates the next start time If the start time is shown as no times have been set 5 2 4 Ready State Weekly Timed 3 4 0 0 W E D N E S D A Y 1 2 1 0 0 0 L 1 3 In Weekly Timed mode dispenses are started automatically at set times of the day on a 7 day basis Up to eight start times per day can be set including the option of having no times on some days The top line shows the weekday and time of day with the colon blinking to indicate the passage of time The bottom line indicates the next start time A start time shown as indicates that no times have been set for the next 24 hours Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 7 of 29 Deeter Automatic Liquid Dispenser User Manual 5 3 Dispensing In all operating modes the display will show the flow rate the delivered volume and the target volume when dispensing Pressing ENTER will stop delivery with PAUSED shown on the display Pressing ENTER again will resume delivery P A U S E D a 6 0 1 0 0 0 Holding the ENTER button for 3 seconds will cancel delivery and return to Ready State Dispense accuracy will be comprom
6. character S C is the command character in the range A to Z case sensitive P1 to Pn are parameters in the range 0 to 9 plus and CS is a two byte checksum The checksum is the 8 bit sum of the command character and the parameter characters It is the sum of the ASCII characters not the numbers they represent and Is sent as a hexadecimal number represented by two ASCII characters in the range 0 to 9 and A to F All valid commands are acknowledged by echoing back the command character followed by the carriage return character ODh Reports start with the command character and are terminated with carriage return Invalid commands sequences with parameters outside the permitted range or incorrect checksums will return B and carriage return The S character will clear any previous partial command sequence to start a new one Command List Commands with parameter ranges shown in brackets are A Auto report off on 0 1 minutes 0 9 seconds 00 59 If auto report is enabled a report of the dispensed volume flow rate temperature and mode will be sent at regular intervals while dispensing Reports will stop after the target volume has been reported Reports are of the form A lt XXXXX gt lt YYYYY gt lt ZZZ gt lt m gt lt CR gt where lt xxxxx gt is the dispensed volume in centilitres 5 bytes lt yyyyy gt is the flow rate in centilitres per minute 5 byte
7. of 0 1 Use the arrow keys to make fine adjustments Calibration J 003 Warning Beep E Temp Adjustment Target Volume Dispensed Volume Temperature E Finish Beep E Flow Rate Adjustment 001 00 L Calibration us Flow Rate 12 la 12 READY 003 Dl AD START a O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 23 of 29 Deeter Automatic Liquid Dispenser User Manual The Target Volume panel shows the volume to be dispensed Press A to increase the volume The maximum setting is 100 00 litres Press V to decrease the volume The minimum volume setting is 0 20 litres The Target Volume can be entered directly into the box or by clicking on UP or DOWN Please note the maximum and minimum volumes are 100 00 and 00 20 Click to start dispensing 10 4 Diagnostic Display Diagnostic Display 01000 E K21 101000 1 culo li Mi This display shows the commands flowing between the Liquid Dispenser and the PC software via the serial connection and is there for diagnostic purposes only Appendix A provides a list of the commands and reports that may be seen O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 24 of 29 Deeter Automatic Liquid Dispenser User Manual 11 Filter A stainless steel filter is accessible from the rear of the dispenser The 60 mesh
8. options Timing Disabled Interval Timing Daily Timing Weekly Timing Press ENTER to select the mode 6 4 Interval Setting This menu is only seen if Interval Timing mode has been selected C H A N G E I N T E R V A L 0 0 3 0 Times are shown in hours and minutes The default time is 30 minutes the minimum is 1 minute and the maximum is 24 hours A cursor will appear below the hours setting and the UP and DOWN buttons can be used to select the hours Pressing ENTER advances to the minutes indicated by the cursor under the minutes setting and UP and DOWN can be used to select the minutes If an interval is chosen that is shorter than the time it takes to deliver the target volume start times will be missed For example if 10 litres takes just over 3 minutes to dispense an interval setting of 3 minutes will effectively become an interval of 6 minutes The next press of ENTER saves the interval time and returns to the option menu 6 5 Setting Dispense Times Daily Mode This menu is only seen if Daily Timing mode has been selected To view previously set times without changing them press only the ENTER button If no times have previously been set the display will show The cursor starts under the hours setting UP and DOWN increment and decrement the hour ENTER advances to minutes indicated by the cursor When the minutes are correct press ENTER again Deeter Electronics Limited Deeter House Vall
9. section 10 Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 4 of 29 Deeter Automatic Liquid Dispenser User Manual 3 Volume Accuracy A calibration method allows fine adjustment of the delivered volume and can considerably reduce the size of any error One or two dispenses into a measuring vessel or weighed should be performed to enable calculation of a percentage error The result is then entered in the Calibration Menu see section 6 8 with adjustments down to 0 1 Accuracy in percentage terms will be better for larger volumes than for smaller volumes Repeated accuracy should be within 1 of the target if the flow rate and liquid temperature remain constant Recalibration is recommended from time to time particularly if flow rate and temperature are changeable The flow rate range is 0 5L min to 5 0L min Outside this range accuracy will be poor and the display will indicate whenever these limits are exceeded and sound an optional warning The internal pump should not be capable of reaching the upper limit The dispenser has options to compensate for varying flow rate and temperature when used for dispensing water see the Compensation Menu section 6 9 The adjustments are a best fit for a typical dispenser and will not provide the accuracy that can be achieved at constant temperature and flow rate but will reduce the errors caused by these two
10. the dispensing of liquid O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 22 of 29 Deeter Automatic Liquid Dispenser User Manual Warning Beep This Beep is heard if the flow rate goes above or below the limits for accurate dispensing Warning Beep IF Temp Adjustment Target Volume Dispensed Volume Temperature Finish Beep Flow Rate Adjustment 001 00 L Calibratio Status Flow Rate o Ama These two check boxes allow you to Enable and Disable the Automatic adjustments for Flow Rate and Temperature The default state of these options is enabled Temp Adjustment By default the dispenser will add a percentage to the dispense volume in accordance with the temperature compensating for the typical effects of water temperature on dispense accuracy between OC and 43C Flow Rate Adjustment By default the dispenser will compensate for the rate of flow Note that these options compensate for the characteristics of water and may not be appropriate for other liquids Both compensation options add to the dispense volume so when first enabled the calibration percentage may need to be reduced or made more negative C Warning Beep Temp Adjustment Target Volume Dispensed Volume Temperature Finish Beep Flow Rate Adjustment 001 00 L Status Flow Rate READY D START a The calibration percentage can be set between 12 and 12 in units
11. 25 micron filter is positioned immediately after the inlet to prevent particles reaching any of the internal apparatus The first sign of a blocked filter is reduced flow rate so the filter should be checked whenever the flow rate becomes unusually low Unscrewing the filter cap will allow liquid to escape and measures should be taken to capture or soak up any spillage Once unscrewed the stainless steel mesh can be pulled away from the filter body rinsed to clear any blockages and returned The dispenser will have air in the inlet tube after the filter has been cleaned and some liquid will need to be pumped through the dispenser to flush this air out Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 25 of 29 Deeter Automatic Liquid Dispenser User Manual 12 Specifications Dimensions 265mm wide 120mm high 295mm deep excluding plumbing and wiring connections Power supply 10 15V 3A 12VDC mains adapter supplied Fuse 4A anti surge 5x20mm cartridge Liquid connections 8mm OD John Guest Speedfit Serial communications USB type B socket connector Remote switch connector Locking 2 pin DIN plug Mating socket supplied Transistor output connector Locking 3 pin DIN plug Mating socket supplied External input connector Locking 6 pin DIN plug Mating socket supplied Transistor output NPN open collector Maximum collector voltage 40V Maximum cu
12. E C T T M E D M O D E a If Interval Mode is selected S E T N T E R V A L el O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 10 of 29 Deeter Automatic Liquid Dispenser User Manual If a Timed Mode is selected A D J U S T C L O C K E C H A N G E CA L I B R A T I O NWN e C O M P E N S A T I O N O P T IO N S E X T E R N A L I N P U fT O P T IO N S A O U T P U T O P T I O N S E S O U N OD O P T I O N S E E X I T E Pressing UP or DOWN will cycle through the option menus and ENTER will select a submenu except from the Exit menu where ENTER will returns to the Ready state 6 1 Manual Mode Manual Mode is similar to Top Up Dispensing but does not require a button to be held in order to remain in the mode and there is no target volume shown In the equivalent of the Ready state the word MANUAL is shown instead with the dispensed volume on the bottom line M A N U A L 0 Od 0 L 1 t r e s Press UP to dispense and the display will change to show the flow rate and dispensed volume Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 11 of 29 Deeter Automatic Liquid Dispenser User Manual Release the UP button to pause dispensing M A N U A L 1 2 4 L t r e s To clear the measured volume press the DOWN button M A N U A L 0 Od Q L i t r e s
13. SH BEEP option between ON and OFF When ON is selected a long beep will sound at the end of dispensing Pressing DOWN will toggle WARNING BEEP between ON and OFF When ON is selected short beeps will be heard to warn of error conditions These include e Flow rate outside accurate dispensing limits below 0 5L min or above 5 0L min e Priming error e Leak detected Pressing ENTER saves the sound options to non volatile memory and returns to the Option Menu Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 17 of 29 Deeter Automatic Liquid Dispenser User Manual 7 Remote Switch A circular 2 pin socket is available on the rear of the dispenser and may be used as a remote switch input The dispenser comes with a 2 pin mating plug and it is left for the user to wire to this plug the preferred type of switch The two wires from a passive switch can be connected either way to these pins The input duplicates the function of the ENTER button when the dispenser is in the Untimed Ready Dispensing and Paused states It can therefore start dispensing in untimed mode or pause restart and cancel dispensing in all modes It cannot be used to access or navigate the Option Menus This input is typically connected to a foot switch to allow hands free starting of the dispenser 8 Transistor Output A circular 3 pin socket is available on the rear of the dispenser for the tran
14. The DEETER Group iquid Volume Dispenser Warning Beep Temp Adjustment Finish Beep Flow Rate Adjustment Calibration 12 p 12 Diagnostic Display On initial connection the dispenser will fill in the current firmware version and automatically display the current settings for Target Volume etc Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 21 of 29 Deeter Automatic Liquid Dispenser User Manual gt ad Volume Dispenser i 2 o XO File Tools Help The DEETER Group Deeter Liquid Volume Dispenser Comms Pot COM11 VD V1 8 Close Comms Y Warning Beep V Temp Adjustment Target Volume Dispensed Volume Temperature Y Finish Beep Y Flow Rate Adjustment 00 335 L Calibration Status Flow Rate 12 Y 12 READY AO srt O Diagnostic Display The Status will change to Ready after displaying the current firmware version Warning Beep IF Temp Adjustment Target Volume Dispensed Volume Temperature Finish Beep Flow Rate Adjustment 001 00 L Calibration Status Flow Rate 003 START a The following options are adjustable C Temp Adjustment Target Volume Dispensed Volume Temperature Flow Rate Adjustment 001 00 L Calibration Status Flow Rate These two check boxes allow you to enable and disable the Finish Beep and Warning Beep Finish Beep A simple Beep upon completion of
15. The DEETER Group Deeter Flow Automatic Liquid Dispenser Automatic Liquid Dispenser Deeter Automatic Liquid Dispenser User Manual Table of Contents t PURO CEIONA rata 3 Za MANSTAMaCION cid 4 Su VOlUMEACCUF A iii AA A A A AA 5 Aw Operator Controls onesna acc 5 5 Operating States inmi ica 6 5 1 A UD orin a a Satsac cat win ec vactus ext a iumetscueseubeae vate eae ee edord tw leaaa eieendmeeneaae Uae 6 5 2 Redaay Sta isaac 6 52l Ready State UN Med suenan 6 5 2 2 Ready State Interval THNEOs aaa ai 7 D255 Ready State Daily TiM d cceesssssssssrssessscsrsssrssrserscssseesrsseserserssrsseesrseesesersseesersenseasentes 7 5 2 4 Ready State Weekly TIME cccessscsssssrscssssssrsrssrscrserscsssrserssessassrsserseeseesesanesessenseaseatentes 7 5 3 DISPENSI Onen tpt dita seh Selene ok iana dora 8 5 4 TOP UPiDISPENSIN Oria a 8 5 9 EXT SOS a a a eolica 9 5 6 keak Detecta os 10 6 lt OPTION MENUS A od 10 6 1 Mantial MOJE cia diria 11 6 2 UAM MOS tics 12 6 3 Timea Mode Selecionar 13 6 4 Interval Seti a 13 6 5 Setting Dispense Times Daily MOG cccccssscscsssssecsecsscesssssescessessassessesesseesesseserseatees 13 6 6 Setting Dispense Times Weekly MOC cccccsssscsssecssesssessecessssssscessesseseescrsersessassesenseatees 14 6 7 CIOCKAOTUSINE M Easy A E S aN alaba 14 6 8 Callbration Mena dada 15 6 9 Compensation Menta ao 15 OLO External IApUEMEA Umino a ia a 16 6 11 Transistor Outlot Mena da 17 6 52 Soun
16. aximum of 10 00 litres Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 8 of 29 Deeter Automatic Liquid Dispenser User Manual The press of the UP button will temporarily change the volume setting but the previous setting will be restored immediately Top Up Dispensing has started Whenever ENTER is pressed the dispense valve will open The flow rate will be Shown on the top line of the display and the additional volume of liquid will be Shown on the bottom line with a plus sign 3 1 2 L m il n 1 0 2 4 L i t r e s When ENTER is released the top line of the display shows the target volume while the bottom line continues to show the added volume 1 0 0 9Q L i t r e s 1 0 2 4 L i t r e s The dispenser will remain in Top Up state while UP or ENTER are pressed and for 4 seconds after both buttons are released See also Manual Mode accessed via the Option Menus 5 5 External Stops The two optional external inputs can be selected to stop dispensing These inputs can be used as emergency stops in case of an overflow level being reached or a leak being detected They may also be used to deliver a volume determined by a float switch rather than by the dispenser s volume setting R E A D Y 1 0 0 0 L S T O P 1 If a stop input becomes active in any of the Ready states the word Stop appears on the bottom line followed by the identity numbe
17. ble for the dispenser replicates the operator controls and makes it easy to access options settings and view progress during dispensing For those who wish to develop their own PC control and monitoring software details of serial port settings and the command structure are given in Appendix A Note the software was originally developed for the Deeter Liquid Volume Dispenser and is currently limited to the range of functions of the Deeter Automatic Liquid Dispenser in untimed mode and without the optional external input and output features Future developments will extend the command set and enhance the PC software to include all features References to the Liquid Volume Dispenser in this section also apply to the Automatic Liquid Dispenser 10 1 PC Software I nstallation The PC software can be downloaded from www deeter co uk downloads Once downloaded extract all files from the zipped file to a suitable directory e g c Deeterflow and click on the setup exe file The application software uses Microsoft NET Framework v3 5 The installer will attempt to download and install this software from Microsoft so you must be connected to the internet when the application is first installed You must also agree to Microsoft s terms and conditions to use NET Framework The application has an unknown publisher i e Deeter After installation the application can be run from the Start button Start All Programs Deeter Electronics Ltd LiquidVo
18. da Mena ico 17 Z Remote SWITCH cniri Aa A A EA A Ea a EEEa a Ei 18 8 Transistor DUEDUE ci dias 18 9 Ext rnal U Ut mse adssceacececierassnacacinvcsseeaacuuistaasacsvecsssdacaasscucedscavaansssdivsiansetuaustadvasedeadvaassevecuasss 19 LO Serial COMMUNICATIONS Controlan 20 10 1 PC Software ITS tall atl OMpesccszs ia 20 MZ USB DIVES atan tico 20 103 ASIA MS SO Wa Ei 21 LOCA Diagnostic DISD VAY aia didas 24 IL Mt mataadeneuteisae eines meTIEamREDTIIN 25 12 SPeciicaciONS aca 26 Appendix A Serial Port Settings and COMMAN AS 27 O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 2 of 29 Deeter Automatic Liquid Dispenser User Manual 1 Introduction The DeeterFlow Automatic Liquid Dispenser incorporates a pump and a flow meter to deliver a measured volume of liquid Delivery can be initiated by the press of a button by external input signal or automatically by means of an internal timer The timer can be selected to start dispensing at regular intervals or start dispensing at set times of the day on a daily or weekly basis The volume is easy to select and is retained in non volatile memory for repeat operation Volumes between 0 20 litres and 100 00 litres can be selected in increments of 0 01 litres The dispenser includes a mesh filter at the inlet and an internal pump The pump is self priming and will maintain a constant flow rate typically around 3L m
19. ey Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 13 of 29 Deeter Automatic Liquid Dispenser User Manual 2 4 h M O D E T I M E 2 0 9 0 0 The next time shown will be either If no time was previously set Or the previously saved time if UP or DOWN have not been pressed Or the time selected for the previous daily time number Pressing ENTER when is shown will exit back to the option menu To set fewer than the maximum of 8 times press UP in the hour selection state until is shown after 24 hours or leave the hours and minutes the same as for the previous time for that day If a new time is selected ENTER will advance to the next time setting After Time 8 is set ENTER will return to the option menu 6 6 Setting Dispense Times Weekly Mode This menu is only seen if Weekly Timing mode has been set Up to 8 times can be set per day in a similar manner to that described for setting Daily times Previously set times can be viewed without changing them by only using the ENTER key After setting Monday s times the day will change to Tuesday then Wednesday etc After the last time on Sunday ENTER will return to the option menu 6 7 Clock Adjustment This menu is only seen if a timing mode has been set UP and DOWN change the day of the week ENTER advances to hours C H A N G E H O U R S M O N D A Y 12 3 4 Deeter Electronics Limited Deeter House Valley Road Hu
20. ghenden Valley High Wycombe Buckinghamshire HP14 4LW Page 14 of 29 Deeter Automatic Liquid Dispenser User Manual UP and DOWN change the hours in 24 hour format ENTER advances to minutes C H A N G E M1 N U T E S M O N D A Y 0 9 3 4 UP and DOWN change the minutes ENTER zeros the seconds writes the new time to the real time clock IC and returns to the option menu 6 8 Calibration Menu The Calibration Menu allows changes or viewing of a percentage correction factor used during dispenses The calibration limits are 12 0 to 12 0 with negative numbers reducing and positive numbers increasing the volume delivered C A L I B R A T I O N 4 7 UP and DOWN increment decrement the percentage Holding the button will rapidly change the percentage Pressing ENTER saves the calibration value to non volatile memory and returns to the option menu 6 9 Compensation Menu There are two compensation options FLOW ADJUST and TEMP ADJ UST F LOW ADJ UST O N T E MP ADJUST O F F Pressing UP will toggle the FLOW ADJUST option between ON and OFF When ON is selected the dispenser will add to the percentage adjustment a small amount which varies with the flow rate This will compensate for the typical effects of flow rate change on dispense accuracy for water Pressing DOWN will toggle TEMP ADJ UST between ON and OFF When ON is selected the dispenser will add to the percentage adjustment a small amount which varies with tem
21. in for water depending on external tubing a clear filter and the height the water is raised Note some noise and vibration is generated by the pump when dispensing A simple calibration method enables the dispenser to repeatedly deliver accurately measured volumes When dispensing water there are options to allow automatic adjustments for variations in temperature and drifts in flow rate The dispenser can be connected to a PC for remote control and monitoring and an easy to use software programme can be downloaded from http www deeter co uk downloads An optional remote switch input is also provided for hands free start stop control Two additional external inputs and a transistor output are also provided with their functions selectable by option menus The inputs may be used to starts dispensing stop dispensing or to raise an alarm via the transistor output The output can be linked to various dispenser functions and used to drive a relay or signal progress or alarms to other devices Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 3 of 29 Deeter Automatic Liquid Dispenser User Manual 2 Installation The dispenser has two John Guest Speedfit push fit connectors at the rear of the case for liquid in and out The fittings take a tube outside diameter of 8mm and can be used with polyethylene nylon polyurethane brass copper or mild steel tubing T
22. ised if the flow rate exceeds the limits of 0 5L min to 5 0L min Below 0 5 litres minute the word UNDER will flash alternating with the flow rate and a short beep will sound every 5 seconds if the Warning Beep option is enabled At very low flow rates the word UNDER will remain constant and if there is no detectable flow for 20 seconds the dispenser will automatically go to the Paused state It should not be possible to exceed 5L min with the pump provided However if this Should happen the word OVER will flash alternating with the flow rate When the target volume is reached the dispenser will automatically return to Ready state The buzzer will sound for 1 5 seconds long beep if the Finish Beep option is enabled The pump will automatically switch off in the Ready state during normal use However if air is allowed to enter the system and is trapped with the valve closed the pump will remain on and the system will require priming Starting a dispense will open the valve to allow priming in timed modes this can be done using the top up feature but if there is no user intervention for 15 seconds the pump will switch off and the dispenser will enter Priming Mode see the Priming Mode section for more details 5 4 Top Up Dispensing Press and hold the UP button and then press ENTER to gain manual control of the dispense valve This state may be used for adding a top up after normal dispensing limited to a m
23. lumeDispenser 10 2 USB Drivers Connect the USB cable and ensure the dispenser is powered up The first time this connection is made the Windows driver for this USB device must be installed either by plug and play if available or by downloading the driver Drivers for a wide range of operating systems can be downloaded free of charge from www ftdichip com The Virtual COM Port VCP driver is required for use with the PC software supplied with the dispenser and makes the dispenser appear as a standard RS232 device O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 20 of 29 Deeter Automatic Liquid Dispenser User Manual USB Serial Port COME Properties General Port Settings Driver Details y USB Serial Port COMES a Device type Ports COM amp LPT Manufacturer FTDI Location on USB Serial Converter Device status F 1 This device is working properly IF you are having problems with this device click Troubleshoot to start the troubleshooter Troubleshoot Device Usage Use this AE enable 10 3 Using the Software When started the software will display a drop down list of the available comms ports Select the virtual comms port for the USB device 02 Volume Dispenser File Tools Help
24. nd will terminate a dispense set Temperature Adjustment off on 0 1 7 A after the command character will return the current on off status of the Temperature Adjustment J Temperature This will report the temperature in degrees C to the nearest 0 5C The temperature is preceded by a or sign and includes a decimal point before the final digit K set thermistor zero offset temperature 00 99 The default zero offset for the thermistor is 21C Any variation from this will have little or no effect on temperature compensation but absolute temperatures can be displayed by the PC software and this command allows for calibration of the displayed temperature A after the command character will return the current zero offset in the form K lt xx gt lt CR gt where lt xx gt is the offset temperature in C L set Flow Rate Adjustment off on 0 1 A after the command character will return the current on off status of the Flow Rate Adjustment M report Mode This will return M lt n gt lt CR gt where lt n gt is a number from 1 to 4 to indicate the current status of the dispenser 1 Ready 2 Dispensing 3 Paused 4 The dispenser is under operator control from the keypad e g manual dispensing option setting etc N report version Number This will return the firmware version number e g ALD V1 01 P Pause This command will pause the current dispense allowing it to continue later
25. perature This will compensate for the typical effects of water temperature on dispense accuracy Note that these options compensate for the characteristics of water and may not be appropriate for other liquids Both compensation options add to the dispense volume so when first enabled the calibration percentage may need to be reduced or made more negative Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 15 of 29 Deeter Automatic Liquid Dispenser User Manual Pressing ENTER saves the compensation options to non volatile memory and returns to the option menu 6 10 External nput Menu I N P U fT 1 I N P U fT 2 T A C V A C T V The first menu enabled the active state of the two inputs to be selected The input from a switch connected to the dispenser is low when closed and high when open or disconnected UP toggles the Input 1setting and DOWN toggles Input 2 ENTER advances to the Input Function menu I N P U fT 1 A L A R M I N P U fT 2 S T O P G Q UP cycles through Input 1function settings and DOWN cycles through Input 2 settings ENTER saves settings and returns to the option menu The two inputs can be independently assigned the following functions Disabled input not used Alarm Stop Go Stop End Start Alarm enables the input to determine the state of the transistor output This requires the output to also be assigned to Alarm
26. r of the active input In this state dispensing cannot be started S T O P P E D 2 4d 5 6 1 0 0 0 If a stop input becomes active when dispensing the word Stopped appears on the top line together with the identity number of the input The bottom line continues to Show delivered volume and target volume When a stop input changes to inactive there are two actions the dispenser can perform either continue dispensing or return to the Ready state These actions are Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 9 of 29 Deeter Automatic Liquid Dispenser User Manual selected in the menus see section 6 10 labelled as Stop Go and Stop End respectively 5 6 Leak Detection The dispenser has a sensor to detect any leakage of conductive liquids e g water inside the enclosure In the unlikely event of a leak the pump and valve will be switched off and the dispenser will be disabled with the following display L E A K D E TE C T E OD D S P E N S E R O F F Please contact your supplier for assistance if this display is seen 6 Option Menus Option Menus are accessed from the Ready state untimed and timed modes by pressing and holding ENTER for 3 seconds Option menus are the first level of menu from which submenus may be reached and are indicated by the enter symbol i R M O D A N T R P R M i N G M O D E q S E L
27. rrent 50mA 5V supply to transistor output Maximum current 50mA total combined output and external input connectors Dispensed volume range 0 20 100 litres in 0 01 litre steps Nominal flow rate 3 2 litres per minute Flow rate range 0 5 5 0 litres per minute Dispense accuracy 1 Liquid temperature range 0 C to 43 C Filter Stainless steel 60 Mesh 250 microns Wetted materials acetal polyformaldehyde Santoprene EPDM polypropylene composite polyether polyurethane glass filled polypropylene glass filled polyamide Nylon polyamide 12 Nylon 12 nitrile rubber NBR EPDM rubber stainless steel Pump sound level 65 decibels typical 1 Suitable tube materials include polyethylene nylon polyurethane brass copper mild steel For soft or thin walled tubing tube inserts should be used 2 For water with 12V supply clear filter minimal external tube restrictions and minimal pumping height 3 For accurate dispenses Water at constant temperature and flow rate Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 26 of 29 Deeter Automatic Liquid Dispenser User Manual Appendix A Serial Port Settings and Commands The serial port settings are 19200 baud 8 data bits no parity bit 1 stop bit Commands have the following structure ignore spaces inserted for clarity S C P1 P2 Pn CS where S is the sequence start
28. s lt zzz gt is the temperature 3 bytes lt m gt is the Mode see the Report Mode command and lt CR gt is the carriage return character ODh Each parameter is separated by a comma The temperature is in units of 0 5C with a default zero at 21C see K command For example the number 415 would represent 20 5C 41 5 21 20 5 C report dispense Completion off on 0 1 If enabled a report will be sent when the target volume has been reached The report is of the form C lt x gt lt CR gt where lt x gt is 0 if the flow rate has been outside limits for accurate dispensing and 1 if the flow rate has kept within limits D report Dispense volume This will return the present dispensed volume in the form D lt xxxxx gt lt CR gt where lt xxxxx gt is the dispensed volume in centilitres O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 27 of 29 Deeter Automatic Liquid Dispenser User Manual E set End beep off on 0 1 A after the command character will return the current status of the End Beep F report Flow rate This will return the present flow rate in the form F lt xxxxx gt lt CR gt where lt xxxxxx gt Is the flow rate in centilitres per minute Note the maximum flow rate should be less than 5 litres per minute so the first two digits should always be 0 G Go This command will start a dispense H Halt This comma
29. sistor output The dispenser comes with a 3 pin mating plug connection details shown below The output is from an open collector transistor which must be pulled high externally and connects to the OV rail when active The output can be pulled high to a maximum of 40V and can sink up to 50mA with the current limited to protect the transistor from a short circuit If used to switch an inductive load measures must be taken to protect the transistor from high transient switching voltages The 5V pin is current limited and can supply up to 50mA This pin may be used to drive an external circuit controlled by the transistor output for example to power an external buzzer alarm The output is typical used to drive an external relay to control a pump or valve in conjunction with an activity of the dispenser see the Transistor Output Menu section 6 11 above O Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 18 of 29 Deeter Automatic Liquid Dispenser User Manual 9 External Inputs A circular 6 pin socket is available on the rear of the dispenser to provide input from two external sources The dispenser comes with a 6 pin mating plug connection details shown below The two input circuits are identical Normal passive switches connect between the IN and OV pins The 5V pins can supply up to 50mA combined to power active Switching devices such optical level sen
30. sors Hall effect switches or the Deeter Leak Sensors The inputs are assigned functions via the External Input Menu see 6 10 They are typically connected to float switches for detecting emergency stop levels but may be used in conjunction with the output to provide a wide range of installation Specific requirements For example With a float switch set to the Start function fitted at the bottom of a vessel and another float switch set to the Stop End function fitted at the top of the vessel dispensing can be started and stopped automatically according to levels in the vessel Note that in this arrangement the dispenser does not determine the volume delivered but while the top float switch remains active will display the volume it measured If in the above arrangement the transistor output is assigned to the Dispense function and switches on a valve or pump via a relay this could empty the vessel when it is full making the filling and emptying cycle fully automatic Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 19 of 29 Deeter Automatic Liquid Dispenser User Manual 10 Serial Communications Control The dispenser has a serial communication option to enable automated control and monitoring by computer Communication is via USB and requires a PC to printer cable with a USB type B connector at the dispenser end not supplied The PC software availa
31. ube inserts should be used for soft or thin walled tubing Make sure the input and output tubes are pushed fully into the connectors before use After initial resistance to insertion the tube usually slips in by a few millimetres before hitting the stop position Inputs Output Remote switch A A The Group www deetergroup com AAA de Serial No PR a ale Re pe 7 pat AO an RR ani Sn Seg gee en ge E E ias AS MRS AO OA ma IA mena IO E ee ns ms ad Past ee ee Seg OR SIS e O e g S has LLO ae ae eS ae ceo CTA A ye e IRE taps TR EAT z The 12VDC mains adapter supplied with the dispenser plugs into the socket labelled on the rear panel Low voltage operation makes the dispenser safe to use in damp environments or where liquid can be spilt The dispenser is supplied with three circular connectors on the rear panel whose uses are varied and optional The 2 pin connector is for a remote switch typically used with a foot switch for hands free control See section 7 for a functional description The 3 pin connector is for the transistor output See section 8 for a description and connection details The 6 pin connector is for two external inputs see section 9 A USB B connector is provided on the front panel for automated control and monitoring by computer A standard USB printer cable not supplied will link the dispenser to a PC Installation and use of the PC software available for the dispenser is described in
32. variables 4 Operator Controls The front panel display shows the selected volume and progress during dispensing It also enables various option menus to be viewed and provides warning messages if error conditions are detected Normal operator controls consist of three push button switches with the following symbols printed above them SYMBOL A V 4l DESCRIPTION UP DOWN ENTER There is an optional external switch for remote start stop control of the dispenser see section 7 two optional inputs for automatic start and stop control see section 9 and remote control is also possible via a PC see section 10 Deeter Electronics Limited Deeter House Valley Road Hughenden Valley High Wycombe Buckinghamshire HP14 4LW Page 5 of 29 Deeter Automatic Liquid Dispenser User Manual 5 Operating States 5 1 Power up Power up message The display shows the firmware version for 5 seconds at power up then progresses to the Ready state 5 2 Ready State There are four operating modes Untimed Interval timed Daily timed and Weekly timed The quiescent state when not dispensing or accessing the option menus is referred throughout as the Ready State for all modes although the word Ready is only shown on the display in the untimed mode Changing the volume using the top up feature and accessing Option menus are common to all four operating modes in their Ready state using the front panel buttons as follows
Download Pdf Manuals
Related Search