OPERATING INSTRUCTIONS FOR “LDPHCD
Contents
1. 28 RS485 29 RS485 RS485 14 Brown 15 Black 16 17 Blue GND Proximity sensor mod SEPR 1 10 Standby contact 1 12 Conductivity Level contact 19 18 pH Level 1 contact 9 20 pH Level 2 contact 6 Green 7 Brown 8 White 9 Yellow PT100 temperature probe or 6 Green 7 Orange 8 White 9 Yellow PT100 temperature probe with inductivr probe Warning Connections must be perfomed by qualified and trained personnel only 4 Main Screen When into normal operating mode LDPHCD shows the following main screen UNITS 1 Connection Status LAN CONNECTION OK ERMES CONNECTION OK VALUES 2 LAN CABLE DISCONNECTED LAN CABLE CONNECTED ERMES NOT AVAILABLE OUTPUTS STATUS 3 CONNECTED TO USB PEN DRIVE and TEMPERATURE Main screen zones 1 UNITS pH is the measuring unit for pH probe mS is the measuring unit for Conductivity probe It can be different due to probe s model 2 VALUES These numbers are values read by the probes 3 OUTPUTS STATUS These fields are related to current outputs status and instrument activity For more information rotate the wheel when into main screen see next page WARNING MESSAGE NOTIFICATION AREA pula During critical situations a warning alarm message may appear To in depth explanation completely rotate clockwise the wheel to review main instrument parameters and current outputs status WHEN AN ALARM OCCURS flow level d2. to save or NO to discard changes 25 14 International Use this menu to set international parameters as UNIT FORMAT Europe IS or USA Local Time and Date Format Use this option to use European or USA units format See table for differencies Date DD MMM YY Date MMM DD YY Time 24h Time AM PM Time Use this option to set local time Date Use this option to set date Move on exit to end changes Ho HE sit ang Save To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes 26 15 Probe Failure Use this menu to assign a maximum time for connected probes to stay in stuck condition A stuck probe it remains on same reading value for some time means that probably probe itself is damaged Within this menu is possible to STOP pumps or just to show an alarm message probe failure Function can be disabled selecting OFF instead of a number minutes This function can be set for both or just one probe E g To set Conductivity pump to stop after time ends and probe doesn t change reading values press wheel choose maximum time press wheel move on next field and choose STOP Time can be set between 100 and 254 minutes When satisfied with settings move on exit and press wheel To end procedure move cursor on OK and press wheel to proceed to Save reque
3. 7 10pH ON OFF 7 00 7 10 To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes Ho Did you know In chemistry an alkali is a basic ionic salt of an alkali metal or alkaline earth metal element Alkalis are best known for being bases compounds with pH greater than 7 that dissolve in water The adjective alkaline is commonly used in English as a synonym for base especially for soluble bases This broad use of the term is likely to have come about because alkalis were the first bases known to obey the Arrhenius definition of a base and are still among the more common bases Since Bransted Lowry acid base theory the term alkali in chemistry is normally restricted to those salts containing alkali and alkaline earth metal elements An acid often represented by the generic formula HA H A is traditionally considered any chemical compound that when dissolved in water gives a solution with a hydrogen ion activity greater than in pure water i e a pH less than 7 0 That approximates the modern definition of Johannes Nicolaus Bronsted and Martin Lowry who independently defined an acid as a compound which donates a hydrogen ion H to another compound called a base Common examples include acetic acid in vinegar and sulfuric acid used in car batteries Acid base systems are different from redox reactions in that there is no c
4. Pewee EC NN N E CI CCC N N fon pes E fee fe DT E CSC N N E rime pes O EE i oor GC 1 EST ECCO MN N consis Co GC CE fea SOI No i Ca IC N I ome SC N E ECO IN CT ow SC N Resistance rating 1 Resistant _ 2 Fairly resistant 3 Not resistant Polyvinyldene fluoride PVDF Pump Heads valves fitting tubing Polypropylene PP Pump Heads valves fitting level floater PVC Pump Heads Stainless steel SS 316 Pump Heads valves Polymethyl Metacrilate Acrylic PMMA Pump Heads Hastelloy C 276 Injection valve spring Polytetrafluoroethylene PTFE Diaphragm Fluorocarbon Viton B Sealings Ethylene propylene EPDM Sealings Nitrile NBR Sealings Polyethylene PE Tubing 32 23 SEPR configuration SEPR Flow Sensor configuration for two instruments 14 15 16 17 14 15 16 17 Configuration of a Flow Switch with a voltage free contact and two instruments 14 15 16 17 14 15 16 17 N C contact OK N O contact Alarm NPED4 33 Appendix Communication HARDWARE SMS GSM Module Located under mainboard cover there is a four pins connector that can be used to install USB ETHERNET or MODEM modules Modules come pre installed upon request and may appear different as shown different configurations SMS GMS module can be configured to send SMS messages containing critical instrument information Insert here standard SIM Unplug instrument from main supply befo
5. about 30 seconds to safety remove the USB pendrive Operation Completed Saving on USB device Reset EEPROM No HOW TO REVIEW INSTRUMENT S ACTIVITIES RECORDED INTO USB PENDRIVE It s necessary to install the ERMES COMMUNICATION SOFTWARE to review USB pendrive info on a PC Follow installation instructions during software setup to correctly complete this procedure Once the software has been installed and launched insert your USB pendrive into any available USB connector of PC Instrument s log will be automatically uploaded into PC memory See ERMES COMMUNICATION SOFTWARE 5 quick guide for more info 35 Appendix Communication Software RS485 menu Prior to install the instrument into an RS485 local system a unique ID NUMBER from 1 to 30 and ID NAME station name must be set Rotate wheel and edit fields If ID number has already assigned an error message will follow after ID Check move cursor on CHECK and press wheel In this event try using another number a iia p 2 455 Menu Leck Choose U Name Edit SMS menu Instrument may remotely send SMS alarm messages using its own modem sold as option It can be configured as follows SMS1 SMS2 SMS3 Using the wheel enter a mobile phone that will receive alert SMS messages if something wrong occurrs SMS number must be set using local number format For example 3391349134 will send an SMS message to mobile phone Log level an
6. as follows scale lock n Sie Gos Blockn2 Black probe Block n3 Red probe 0 300 0 mS CLOSED OPEN OPEN 40 Appendix Conductivity module MDIND How to connect inductive conductivity probe 8 wires cable 8 WIRES CABLE 4 PROBE WIRES 4 PT100 WIRES Connect 4 probe wires to MDIND module as follow Block n 1 blue Block n 2 black Block n 3 grey Block n 4 red Connect 4 PT100 wires to mainboard ref p 5 as follow Block n 40 green Block n 41 orange Block n 42 white Block n 43 yellow Inductive conductivity probe allow to choose 3 different working ranges 1 2 3 Before calibration choose the instrument working range Men Calibration gt Select probe 41 Appendix Temperature compensation Conductivity measurements are temperature dependent The degree to which temperature affects conductivity varies from solution to solution and can be calculated using the following formula Gt Gtcal 1 a T Tcal where Gt conductivity at any temperature T in C Gtcal conductivity at calibration temperature Tcal in C a temperature coefficient of solution at Tcal in C Substance at 25 C Concentration Alpha a HCI 10 wt 1 56 KCI 10 wt 1 88 H2S04 50 wt 1 93 NaCl 10 wt 2 14 Common alphas a are listed in the table above To determine that a of other solutions simply measure conductivity at a range of temperatures and graph the change in con
7. version only 8 Set Point pH working modes For CH1 PH PULSE 1 and CH1 PH PULSE 2 outputs setpoint can be set between On Off mode Proportional mode or disabled OFF For CH1 PH RELAY output setpoint can be set using On Off mode Proportional PWM mode Fixed PWM mode or disabled OFF 8 1 Set Point pH on off This mode is valid for all pH related outputs On Off mode set the instrument to operate using two set values that enable or disable the pH pump To use this mode move cursor on Working Mode Press the wheel and select it 4 ON OFF mode while dosing ALKALI Set pH value at 7 00 OFF and 6 90 ON Set Pulse Speed per minute strokes per minute based on dosing device capabilities Instrument will leave the pH pump active until reading value will increase up to 7 00pH At 7 00pH the pH pump will be disabled until reading value will decrease under 6 90pH ON OFF 6 90 7 00 Pulse speed to let pump operate at pulses per minutes add one or more minute 1pulse every xx minutes 8 2 Set Point pH on off This mode is valid for all pH related outputs ON OFF mode while dosing ACID Set pH value at 7 00 OFF and 7 10 ON Set Pulse Speed per minute strokes per minute based on dosing device capabilities Instrument will leave the pH pump active until reading value will decrease up to 7 00pH At 7 00pH the pH pump will be disabled until reading value will increase up to
8. Click wheel to selecte parameter and rotate wheel to change it Click wheel again and rotate wheel to move cursor on next parameter To end procedure move cursor on EXIT and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes This menu is available only for LDPHxx instrument series with current outputs option enabled 30 21 Out of range alarm Out of range alarm menu defines the minimum and maximum pH and Conductivity probe read value before to stop dosing activity and to show an alarm message cip Move on Min Max Range to set out of range condition for pH probe then click on wheel to enter into Min Max Range menu Mine Max pH Hi pH Lo Time Move wheel on pH Hi Dis and change status from Dis option disabled to En option enabled by clicking on wheel and rotating it Press wheel again and move on next field Press wheel and enter a value for HIGH alarm Repeat procedure for pH Lo Dis and enter a value for LOW alarm Mins Maxs pH Range Menu Time MA min Mode DOSE As last option enter Time max 99 minutes after which if lower or higher read value condition stays then the alarm occurs to set into mode field To change alarm mode move wheel on Mode press it and choose between DOSE connected pumps will not stop dosing activity when read value is out o
9. IT and choose YES to save request The new passcode is now ready Lost passcode Please dont forget the passcode if changed In the unfortunate event please call your local distributor for unlocking procedure There is no way for you to recover lost passcode 7 Main Menu list To grant access into Main Menu enter the passcode as described in previous chapter Once into Main Menu rotate the wheel to scroll through all the options available Main Me Setpoint see page 9 gill EL Set Point _ Calibration see page 18 Parameters see page 22 Qu Parameters Set Calibration Output manager see page 23 Main Ment put Manager Instrument reset see page 24 Dosing alarm see page 25 Dosing Alarm Hinstrument Reset Main Menu International see page 26 international Probe Failure see page 27 Probe Failure as et Fi ope Failur Main Menu Flow see page 28 Service see page 28 2Set Flow Parameters Main Ment Log Setup see page 29 Log Setup RS485 Setup see page 29 RS435 Setup Out Of Rance Alarm Out of Range Alarm see page 31 Het RS485 Setup Main Menu Sms Menu SMS menu see page 34 mA Outputs see page 30 Set mA Cutouts TCP IP see page 38 GPRS see page 39 Email see page 39 Main Menu Log We Log View see page 40 Lompensation Temp Compensation see page 42 This menu is available on current outputs instrument
10. OFF 1 50 2 00 14 8 8 Set Point Conductivity proportional CH2 MS PULSE output can be set into this mode 1 amp Proportional mode set the instrument to operate using a calculated percentage between two set values that enable or disable the Conductivity pump To use this mode move cursor on Working Mode Press the wheel and select it PROPORTIONAL MODE between 2 00 0 P m and 1 50 180 P m P m pulses per minute This mode operates Conductivity pump for a value lower that 1 50mS with maximum dosing capacity 180strokes and it will stop Conductivity pump for a reading value higher than 2 00mS A1 75mS reading value will operate Conductivity pump with a 90 strokes capacity calculated on strokes settings see page 22 Pump will operare with 90 strokes dosing capacity To end procedure move cursor on OK and press wheel Choose SAVE to save setup or NO to discard changes Yes i Ho Exit and Save 15 8 9 PWM Proportional Conductivity CH2 MS RELAY output can be set into this mode Pulse width modulation PWM of a signal or power source involves the modulation of its duty cycle to either convey information over a communications channel or control the amount of power sent to a load This mode works over a settable 0 to 100 seconds time to switch on or off selected output Time resolution is 5 seconds 5 steps During this time if reading value will move towards a s
11. Parameters This menu allows to set a delay max 60 minutes before pumps begin to feed Furthermore use this menu to set pH pump startup priority and to change default passcode Feeding Delay Move on Feeding Delay then press wheel Choose a value between 0 disabled and 60 minutes maximum delay time This feature can be used to accord a startup delay for the pumps Delay occurs when instrument is powered or after a NO FLOW contact recovery Mode Move on Mode then press wheel If both pumps need to operate a startup priority can be set to allow the pH pump to begin to feed prior to Conductivity pump Choose pH priority to enable this function Conductivity pump will begin to dose when pH pump has stopped New Pcode See page 10 Ho Exit and Save To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes 22 11 Output Manager From Menu Calibration choose Output Manager This menu allows to manually operate all outputs for a settable time Set to AUTO for normal operating mode Set to OFF to permanently disable outputs 4 3 a Press wheel to move cursor on TIME field Once here choose a working time between 0 disabled or 199 minutes Move on EXIT then press wheel Choose YES to save changes Exit from main menu Main display will show a
12. This manual contains safety information that if ignored can endanger life or result in serious injury They are indicated by this icon Keep the instrument protected from sun and water Avoid water splashes with data logger software quick guide 4 DOWNLOAD ERMES COMMUNICATION SOFTWARE pr www ermes server com ERMES Read Carefully ENGLISH Version R4 07 12 Danger Caution NORME CE EC RULES STANDARD EC NORMAS DE LA CE Direttiva Basso Voltaggio Low Voltage Directive 2006 95 CE Directiva de baja tension Direttiva EMC Compatibilit Elettromagnetica EMC electromagnetic compatibility directive 2004 108 CE EMC directiva de compatibilidad electromagn tica GENERAL SAFETY GUIDELINES In emergencies the instrument should be switched off immediately Disconnect the power cable from the power supply When installing always observe local regulations Manufacturer is not liable for any unauthorized use or misuse of this product that may cause injury damage to persons and or materials Instrument must be accessible at all times for both operating and servicing Access must not be obstructed in any way Feeder should be interlocked with a no flow protection device to automatically shut off the pumps when there is no flow Pumps and accessories must be serviced and repaired by qualified and authorized personnel only Always discharge the liquid end before servicing the instrument Empty and rinse t
13. and second mS value ON at 1 50 Set WORK PAUSE activity with Toff 0 seconds and Ton 80 seconds For reading values 2 2 00 output output will always be OFF For reading values lt 1 50 output will be ON within WORK PAUSE mode based on Ton and Toff settings Within 2 00mS and 1 50mS values output activity will operate on HYSTERESIS basis Once 2 00mS reading value will be reached the output will always be OFF up to 1 50mS reading value 17 9 Probe Calibration pH pH calibration procedure involves two calibration points and it requires two buffer solutions Default buffer solu tions are pH 4 00 and pH 7 00 pH reading value can be also compensated from pH compensation menu From Menu Calibration choose pH probe In the following example instrument will calibrate pH using default buffer solutions values Note this procedure assumes that instrument is correctly configured and a working pH probe connected Otherwise unattended results may occurr iL pH7 Calib 1st Point Once into pH Calibration menu move wheel on P1 then press wheel to enter into first point calibration submenu Prepare 7 00pH buffer solution and dip probe s sensor on it Wait until reading value is stable and accor ding to buffer solution value move wheel until it is the same on display Cal at field Default value is 7 00pH To end procedure move cursor on OK and press wheel to proceed to ne
14. ange for pH probe ALMS out of reading range for Conductivity probe WARNING TO AVOID UNSOLICITED MESSAGES USE CAREFULLY THIS SETUP 34 Appendix Communication HARDWARE LOG USB Module Located under mainboard cover there is a four pins connector that can be used to install USB data log module or SMS module Modules come pre installed upon request and may appear different as shown different configurations USB data log module records instrument activities These information can be permanently stored into a standard USB pendrive Pendrive can be connected to a PC using LDPHxx DATA LOGGER software to review and print instrument s activities To obtain reliable results with this feature please set instrument ID and NAME from RS485 Setup menu and activate log recording from LOG SETUP menu Activity LED Power LED Standard USB pendrive not included Insert USB pendrive here right side of instrument After usage put back USB cap HOW TO RECORD INSTRUMENT S ACTIVITIES INTO USB PENDRIVE Insert USB pendrive into USB connector located on the right side of instrument Instrument will save data log on USB pendrive After succeded in saving data it will ask if delete instrument s log or not anyway USB pendrive will not be formatted Move wheel on YES to delete log info from instrument and return to main screen or NO to leave log info on instrument and return to main screen Wait
15. circa 16 8 10 PWM fixed CONQUCHIVItY ii 17 e Probe Calibration Ea O 18 9 1 Prope Calibration Conductivity sssi 20 9 2 Probe Calibration C TeMperature 21 WP e 22 E RUE OR id 23 12 Instrument Reset i 24 ccm 25 14 International i 26 15 Probe Failure c ccccccsscsssscsscsecsecsessecsessessessessessessessessessessessessessessessessessessessessesseseuseusceesaecaesaesaesaseaeeas 21 16 Flow Contact 28 DD SEWE LIA 28 18 Log Setup 29 19 RS485 SEtUp i 29 A Ra 16 2 S TT CC re 30 Paella 31 ZARA O iii ARA EEEE ESETT 32 ZE ER 33 Appendix Communication HARDWARE SMS GSM Module ccccccccssssesecsecsesececsssessecsseessessesesesseeaees 34 Appendix Communication HARDWARE LOG USB MOdule cccccscsecsssscssesssssssescssssscsseessssssersrsaseeees 35 Appendix Communication SOftWare iiii 36 Appendix Communication SOftWare iii 37 Appendix Communication SOftWare iiiii 38 Appendix Communication SOftWare iii 39 Appendix Conductivity module iii 40 Appendix Temperature COMPERE lO ara RR 42 IRSA 43 Information on this manual may contain technical inaccuracies or typographical errors The information contained may be changed at any time without prior notification or obligation 44 45 46 47 When disma
16. countdown for selected output To stop this countdown go back to Output Manager menu and choose AUTO as working mode or wait until countdown ends This function can be used for priming purposes 23 12 Instrument Reset To restore instrument to its default values including password once into Instrument Reset menu press wheel then change value to ON press wheel again move on OK then finally press wheel The instrument display will show CHECKSUM ERROR Press whell to return into Main Menu Move on EXIT then press wheel The in strument is now restored to factory default Please repeat all calibration procedures and programming parameters 24 13 Dosing Alarm Use this menu to assign a maximum time to the pumps for reaching the setpoint If set time ends and the pumps are still dosing within this menu is possible to STOP them or just to show an alarm message Function can be disabled selecting OFF instead of a number minutes Dosing alarm can be set for both or just one pump E g To set Conductivity pump to stop after time ends and setpoint isn t still reached press wheel choose maximum time press wheel move on next field and choose STOP Time can be set between 0 and 100 minutes When satisfied with settings move on exit and press wheel To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES
17. cur P1 amp P2 During this procedure probe must be dry and clean and not installed in plant Move wheel on P1 then press wheel move cursor on OK and press wheel again Move wheel on P2 then press wheel to enter into second point calibration Submenu Prepare buffer solution and dip probe s sensor on it Wait until reading value is stable and according to buffer solution value move wheel until it is the same on display uS default field End procedure moving cursor on Ok 20 9 2 Probe Calibration C Temperature A professioani thermometer is required to obtain a reliable calibration From Menu Calibration choose Temp probe Temperature Calibration Note This procedure assumes that instrument is correctly configured and properly connected to a working PT100 Calibrate using plant s temperature otherwise unattended results may occur Using an external thermometer read actual temperature and edit related field Cal at Confirm by pressing wheel To end procedure move cursor on OK and press whe el to proceed to Save request screen Move wheel on YES to save or NO to discard changes If an error oc curred during calibration procedure then the instrument will show an error message and will ask to proceed to a new calibration cancel current operation or restore de fault settings 21 10 Parameters From Menu Calibration choose
18. d SMS frequency alert may be set using options in ACTIVE MSG within GSM menu sm Menu Choose Edit TO AVOID UNDESIRED MESSAGES USE CAREFULLY LOG SETUP WARNING THIS FUNCTION COULD NOT BE FREE OF CHARGE DEPENDING ON YOUR OPERATOR CONTRACT IT COULD GENERATE PAYING SMS TRAFFIC 36 Appendix Communication Software TCP IP menu The instrument may be remotely operated using a standard ethernet connection sold as option A static or dynamic IP address and a CAT5 ethernet cable is required According to your network capacity connection speed is 10 100Mbps To obtain a valid IP address and subnet mask contact your net administrator Enter parameters and move cursor on SAVE to store parameters then move on OK and press wheel to save and activate configuration Based on your network configuration choose to obtain network parameters automatically DYNAMIC or manually STATIC Tep lp Menu Tep lp Menu p Mode Gateway lp Address Subnet Mask Set lb Address See ERMES Communication Software manual for proper PC software configuration What is a static IP address dynamic IP address A static IP address is a number in the form of a dotted quad that is assigned to a computer by an Internet service provider ISP to be its permanent address on the Internet Computers use IP addresses to locate and talk to each other on the Internet much the same way people use phone nu
19. de Enable Log activity starting time can be set to begin at specified time by entering Time Activities data are collected every specified hour or minutes Edit this parameter by moving wheel on Every 00 00 and changing it to desired time ill TIM 3G 11 56 96 fa Messaggi 39 334 6245 Modifica i Chiama Aggiungi a contatti 07 apr 2010 11 56 ID 06 Emec Rieti ALARM STATUS FLOW NO LEV PH1 NO LEV PH2 NO LEV CL YES ALPH NO ALCL NO ID and Station Name as appears on a received SMS trom instrument 19 RS485 Setup Prior to use advanced communication functions e g SMS alarm service or remote communication the instrument must have a unique ID NUMBER move wheel on OK to check it and ID NAME station name Rotate wheel and edit fields If ID number has already assigned an error message will follow In this occurs try using another number RS485 Menu D485 GER Check Hame Rieti Set 29 20 mA Outputs This menu allows to configure mA current otputs for pH Conductivity and Temperature channels Options to set are MODE selectable between 0 20 or 4 20 mA current output Max mA maximum probe s reading value at 20 mA current Min mA minimum probe s reading value at 0 or 4 mA current mA Output pH Menu MODE GEERT Min mR mH Uutput Temp Menu MODE CENENE Max mH Min mA Rotate wheel to move within all 3 channels
20. ductivity versus the change in temperature Divide the slope of the graph by Gtcal to get a Temperature compensation Alpha can be changed within 0 0 and 5 0 It should be set according to measured chemical properties If a temperature probe is installed choose Enable for Automatic Otherwise select Disable and enter a temperature value in Temperature field Note Temperarure field is not visible if Automatic has been set on Enable ee PA To enable pH Hutomatlo E ni compensation change Alpha Au value from NO to Temperature 25 86 C Zz pH Ho Ho To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes 42 Appendix Dimensions 43 1 Introduction a 3 2 The WNEEl Ene ranan reeet 3 3 Mainboard CONNECHIONS i 4 4 Main SCreen ii 5 Sa 6 dEi e 5 T 7 Main Menu list iii 8 e SOMO IMI a EEEE sl lee ds AA 9 Go Pe POM TOMI CUO OIE FR REATI 9 CORI lei 10 Bed SEPAN Dil PROi 11 Rella 12 8 5 PWM fixed pH irene eee e 8 6 Set Point Conductivity ON OFF ii 14 8 7 Set Point Conductivity ON OFF ii 14 8 8 Set Point Conductivity proportional iii 15 8 9 PWN Proportional Conductivity
21. during output activity For example set first pH value OFF at 7 20 Set second pH value ON at 8 00 Set working pause output activity with Toff 0 seconds and Ton 40 seconds For reading values to 8 00 the output will be ON with activity based on Ton and Toff For reading values lt 7 20 the output will be permanently OFF For reading values within working range operating mode is on HYSTERESIS base Once reading value is 7 20 pH will be permanently off until it will reaches 8 00 pH Ton 40 seconds WORK Toff 10 seconds PAUSE OFF 7 20 8 00 13 8 6 Set Point Conductivity working modes CH2 MS PULSE output can be set to operate within On Off Proportional or disabled OFF modes CH2 MS RELAY output can be set to operate within On Off Proportional PWM Fixed PWM or disabled OFF modes 1 amp 8 7 Set Point Conductivity on off All Conductivity outputs can be set to operate into this mode This mode enables Conductivity pump to operate between two On Off values Move wheel over Working Mode to select it ON OFF mode Set Conductivity value at 1 50mS ON and 2 00mS OFF The difference between the two Conductivity values is called HYSTERESIS Instrument will enable the Conductivity pump when reading value will decrease at 1 50mS At1 50mS the Conductivity pump will be enabled until reading value will increase at 2 00mS Pulse Speed pulses per minute setting ON
22. e APN identifies an IP packet data network PDN that a mobile data user wants to communicate with In addition to identifying a PDN an APN may also be used to define the type of service eg connection to wireless application protocol WAP server multimedia messaging service MMS that is provided by the PDN APN is used in 3GPP data access networks eg general packet radio service GPRS evolved packet core EPC 38 Appendix Communication Software LOG menu This function records instrument acitvity date hour temperature uS totalizer I O alarms outputs It starts for selected frequency period every at requested time time Log Menu Uisabled B GA HA Every GGhoam ini P ezet ime SetACTIVE to enabled to activate log recording TIME recording start time time format 23h e 59min EVERY recording frequency time format 23h e 59min Note advanced log control graph printing comparison tables event filtering etc is available through ERMES Communication Software for PC See ERMES Communication Software manual for proper PC software configuration LOG VIEW menu To see alarrm log entries as set on log menu choose log view on main menu LI Entry L00511 16 54 ALAM CHI 09 16 Che 0 290 Temp 66 01 L AM Mas ALarm chi 39 Appendix Conductivity module MDCD Setup connections according to probe features MDCD Connect probe
23. et value on or off the PWM will operate the output on timered basis Reaching the set value the PWM will permanently leave on or off the output Parameters to set are Unit Value time activity towards set value 0 means 0 seconds 100 means 100 seconds mS range two pH value between PWM operates E g set first value at 2 00 00 and second value at 1 50 60 For reading values 2 2 00 output will always be OFF For reading values lt 1 50 output will be ON for 60 seconds and OFF for 40 seconds If reading value is 1 75 mS the ouput will be ON with a 30 of total set time ON for 30 seconds OFF for 70 seconds 16 8 10 PWM fixed Conductivity CH2 MS RELAY output can be set into this mode Pulse width modulation PWM of a signal or power source involves the modulation of its duty cycle to either convey information over a communications channel or control the amount of power sent to a load This mode works over a settable 0 to 100 seconds time to switch on or off selected output Time resolution is 5 seconds 5 steps During this time if reading value will move towards a set value on or off the PWM will operate the output on timered basis Reaching the set value the PWM will permanently leave on or off the output Parameters to set are mS range two mS value between PWM operates Ton ON time if output is active Toff OFF time if output is active E g set first mS value OFF at 2 00
24. f range or STOP connected pumps will stop dosing activity when read value is out of range and an alarm message is displayed to set out of range condition for Conductivity probe then click on wheel to enter into Min Max Range menu Move wheel on mS Hi Dis Dis and change status from Dis option disabled to En option enabled by clicking on wheel and rotating it Press wheel again and move on next field Press wheel and enter a value for HIGH alarm Repeat procedure for mS Lo Dis and enter a value for LOW alarm As last option enter Time max 99 minutes after which if lower or higher read value condition stays then the alarm occurs to set into mode field To change alarm mode move wheel on Mode press it and choose between DOSE connected pumps will not stop dosing activity when read value is out of range or STOP connected pumps will stop dosing activity when read value is out of range and an alarm message is displayed 31 22 Technical information Power supply 85 264 VAC pH range 0 14 Conductivity range 0 999 mS Environment Temperature 10 45 C 14 113 F Chemical Temperature 0 50 C 32 122 F Installation Class II Pollution Level 2 Packaging and Transporting Temperature 10 50 C 14 122 F Protection degree IP 65 CC I oo WIE CI CO NI NO E Sc CO N NI E O CC N I E FE E
25. g a dynamic IP address is simi lar to using a pay phone Unless there is a reason to receive a call the user does not care what number he or she is calling from There are times however when users who connect to the Internet using dynamic IP wish to allow other computers to locate them Perhaps they want to use CU SeeMe or use a VoIP application to make long distance phone calls using their IP connection In that case they would need a static IP address The user has two choices they can contact their ISP and request a static IP address or they can use a dynamic DNS service Either choice will probably involve an additional monthly fee Using a dynamic DNS service works as if there was an old fashioned telephone message service at your computer s disposal When a user registers with a DNS service and connects to the Internet with a dynamic IP address the user s computer contacts the DNS service and lets them know what IP address it has been assigned from the pool the service works with the DNS server to forward the correct address to the requesting DHCP computer Think of calling the message service and saying Hi can be reached at 435 44 32 111 right now Please tell anyone who tries to reach me to call that number Using a dynamic DNS service to arrange for computers to find you even though you are using a dynamic IP address is the next best thing to having a static IP 37 Appendix Communication Software GPRS menu In
26. hange in oxidation state 10 8 3 Set Point pH proportional This mode is valid for CH1 PH PULSE 1 and CH1 PH PULSE 2 outputs Proportional mode set the instrument to operate using a calculated percentage between two set values that enable or disable the pH pump To use this mode move cursor on Working Mode Press the wheel and select it PROPORTIONAL mode between 7pH 0 P m and 8pH 180 P m p m is pulses per minute In this mode the pH pump will be ON for values greater than 8pH with maximum set pulses per minute capacity e g 180 and it ll be OFF for values lower than 7pH For values of 7 5pH pump will be ON with 90 pulses per minute capacity The calculation is based on 180 pulses per minute setting see page 22 To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes Ho Exit and Save 11 8 4 PWM proportional pH This mode is valid for CH1 PH RELAY output only Pulse width modulation PWM of a signal or power source involves the modulation of its duty cycle to either convey information over a communications channel or control the amount of power sent to a load This mode works over a settable 0 to 100 seconds time to switch on or off selected output During this time if reading value will move towards a set value on or off the PWM will operate the outp
27. he liquid end before work on a pump which has been used with hazardous or unknown chemicals Always read chemical safety datasheet Always wear protective clothing when handling hazardous or unknown chemicals Instrument must be operated serviced by trained technicians only All connection operations must be performed while the instrument is not connected to main supply 1 Introduction LDPHCD is a digital microprocessor based pH amp Conductivity controller with temperartutre reading Main working modes are On Off PWM proportional and PWM fixed Working ranges are pH from 0 to 14pH Conductivity from 0 to 30 mS All information are provided through a large backlit LCD display Using a revolutionary wheel control the instrument can be easily programmed LDPHCD is housed in a IP65 plastic box INPUTS OUTPUTS Stand by 2 relay outputs pH and mS Flow 3 opto coupled pulses outputs pH and mS pH level Main alarm pH level Conductivity level pH probe Conductivity probe Temperature probe 2 The wheel Located in the upper right side of LDPHCD there is a wheel that must be used to control the instrument Wheel can be rotated in both directions to scroll over the menus and or pressed to confirm highlighted selection value NOTE Once changes are made press OK to save and exit from submenu Press ESC to exit without saving SCROLL Rotate wheel to scroll through menu
28. mbers to locate and talk to one another on the telephone When you want to visit whatis com your computer asks a domain name system DNS server think telephone information operator for the correct dotted quad number think phone number for whatis com and your computer uses the answer it receives to connect to the whatis com server It would be simple if every computer that connects to the Internet could have its own static IP number but when the Internet was first conceived the architects didn t foresee the need for an unlimited number of IP addresses Consequently there are not enough IP numbers to go around To get around that problem many Internet service providers limit the number of static IP addresses they allocate and economize on the remaining number of IP addresses they possess by temporarily assigning an IP address to a requesting Dynamic Host Configuration Protocol DHCP computer from a pool of IP addresses The temporary IP address is called a dynamic IP address Requesting DHCP computers receive a dynamic IP address think temporary phone number for the duration of that Internet ses sion or for some other specified amount of time Once the user disconnects from the Internet their dynamic IP address goes back into the IP address pool so it can be assigned to another user Even if the user reconnects immediately odds are they will not be assigned the same IP address from the pool To keep our telephone telephone analogy going usin
29. ntling this instrument please separate material types and send them according to local recycling disposal requirements We appreciate your efforts in supporting your local Recycle Environmental Program Working together we ll form an active union to assure the world s invaluable resources are conserved
30. osage faulty probe setpoint and ALARM appears on main screen all outputs are disabled Note the word PUMP as shown into this manual refers to a dosing device connected to the instrument 5 Quick status check From main screen completely rotate clockwise the wheel to review main instrument parameters and current outputs status 7 Local Time a Local Date 5 pH probe reading Conductivity probe reading Status Temperature probe reading Temperature 80 0 PC Dosing alarm condition RL Probe failure status Fall i Alarm contact status Status Flow contact status SEPR Flow TES Tank Level 1 status Level He ae Last pH calibration result CalpH Fail TES p CalpH day Last pH calibration date Last Conductivity calibration result Last Conductivity calibration date Last Temp calibration result Last Temp calibration date Outputs Status See mainboard page 4 for related connetions 6 Password To grant access into Main Menu press the wheel from main screen and enter the passcode If this is the first time here then the passcode is 0000 factory preset Press wheel 5 times to enter into Main Menu Otherwise press the wheel 1 time and enter the passcode Numbers can be selected rotating the wheel UD 1 To set a new passcode choose PARAMETERS from Main Menu move on New Pcode click on wheel and enter a four numbers code Click on EX
31. re to open it GSM modem antenna connector To obtain reliable results with this feature please check the following list Make certain the antenna location is not shielded by metal objects or near sources of electrical noise Do not route the cable where it could be pinched in doors windows etc Secure the antenna cable Ensure that SIM into SMS GSM modeule is properly inserted activated and within operator range Set instrument ID NAME from RS485 Setup menu and configure Out of Range Alarm menu Within Main menu select SMS MENU to enable SMS service and enter SMS receiver phone numbers Sms Menu Phone number 1 Up to three numbers for sending SMS can be stored into LDPHCD memory SMS recipient will receive an SMS containing instrument ID NAME and status Number formats can be stored using international prefix international prefix 00 or local WARNING THIS FUNCTION COULD NOT BE FREE OF CHARGE DEPENDING ON YOUR OPERATOR CONTRACT IT COULD GENERATE PAYING SMS TRAFFIC LPHI No LFH2 LS Mo FLOM ALFH Ho ALP Exit Send Sms To enable warning message for related alarm condition choose YES to disable choose NO Then move wheel on Exit and SAVE configuration SMS will be sent when one or more YES fields will change LPH1 or 2 level alarm for PH1 or PH2 levels LMS level alarm for Conductivity FLOW flow alarm ALPH out of reading r
32. s or options Press wheel to select highlighted option SELECT 3 Mainboard Connections Unplug instrument from main power supply then perform connections by following the above picture DISPLATY BOARD j gt V000 000 fuuuzuzns 6060602 MAIN BOARD a itu EEEE EELDE eel Conductivity Probe ILLE t TLL i i n Appendixy 6666666 i be LE TEED ALDPHCL CS O50 4 OF A Main Fuse 6A T B Outputs Fuse 3 15A T L Live E Earth N Neutral 85 264VAC 50 60 Hz 1 Live E Earth N Neutral 85 264VAC 5A 50 60 Hz Relay 1 Output CH1 PH RELAY To use with ON OFF or PWM device 2 Live E Earth N Neutral 85 264VAC 5A 50 60 Hz Relay 2 Output CH2 MS RELAY To use with ON OFF or PWM device 3 Live E Earth N Neutral 85 264VAC Alarm output 31 30 Current output mA1 for pH 31 32 Current output mA2 for Conductivity 34 33 4 Current output mA3 Max resistive load 500 Ohm 34 35 Current output mA4 for temperature 22 23 Uscita CH1 PH PULSE 2 con fotoaccoppiatore Per pompe dosatrici serie IS o MF 24 25 Uscita CH2 MS PULSE con fotoaccoppiatore Per pompe dosatrici serie IS o MF 26 27 Uscita CH1 PH PULSE 1 con fotoaccoppiatore Per pompe dosatrici serie IS o MF 21 GND
33. st screen Move wheel on YES to save or NO to discard changes 27 16 Flow Contact Flow contact see SEPR blocks on page 4 can be enabled to stop a dosing procedure using a N O contact mode normally open or N C contact mode normally closed when status on blocks changes Rotate wheel to choose between DISABLE REVERSE N O contact or DIRECT N C contact Furthermore Flow contact can starts after a specified time when contact status changes To set it move wheel on Time 00 min click it and rotate to choose time from 0 to 99 minutes Confirm selection by clicking wheel Flow Detect Mode REVERSE Time min To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes 17 Service This view only menu shows probes reading live and instrument ID for USB LOG connection if device s con nected Press ESC to exit sapone Menu USB Device 367126 Connection Code for ERMES through USB cable LAN Device N A Connection Code for ERMES through LAN cable 28 18 Log Setup Log setup stores instrument activities when an alarm flow level out of range reading etc occurs Log Setup Qu Mode cli Time Every A1 0B fSet Mode Log activity recording can be started by moving wheel on Mode Disable and changing it to Mo
34. strument may be remotely operated using an embedded standard GPRS modem sold as option In order to activate this service please ensure that the following steps are correctly completed Make certain the antenna location is not shielded by metal objects or near sources of electrical noise Make certain the distance from the antenna to the Instrument unit is within cable length Do not route the cable where it could be pinched in doors windows etc Ensure that SIM into Instrument modem is correctly inserted activated and within operator range mh mn 4 bprs Menu gt J set Phone Number See ERMES Communication Software manual for proper PC software configuration Instrument can be set for automatic configuration Configuration option set to Automatic or manually Configuration option set to Manual based on your SIM data access parameters For manual configuration option enter APN access point name and SIM phone number Move wheel on OK to save and move on ESC to go back to main menu WARNING THIS FUNCTION COULD NOT BE FREE OF CHARGE DEPENDING ON YOUR OPERATOR CONTRACT IT COULD GENERATE PAYING DATA TRAFFIC Email menu If Ethernet module or GPRS module is installed sold as option the instrument can be configured to send email alarm messages up to two recipients Click on Email 1 or Email 2 and enter email address Email Menu Access point nam
35. ut on timered basis Reaching the set value the PWM will permanently leave on or off the output Parameters to set for this mode are Unit Value time activity towards set value 0 means 0 seconds 100 means 100 seconds pH range two pH values within PWM operates For example set first pH value at 8 00 100 and second pH value at 4 0 0 For reading values to 8 00 the output will be permanently ON For reading values lt 4 0 the output will be permanently OFF For reading value of 7 00 the output will be OFF for 25 seconds ON for 75 seconds For reading value of 6 00 the output will be OFF for 50 seconds ON for 50 seconds 0 50 75 100 ON OFF 4 00 5 00 6 00 7 00 8 00 12 8 5 PWM fixed pH This mode is valid for CH1 PH RELAY output only Pulse width modulation PWM of a signal or power source involves the modulation of its duty cycle to either convey information over a communications channel or control the amount of power sent to a load Using fixed mode is possible to set operating time to switch on or off selected output During this time if reading value will move towards a set value on or off the PWM will operate the output on timered basis Reaching the set value the PWM will permanently leave on for selected amount of time or off the output Parameters to set for this mode are pH range two pH values within PWM operates Ton ON period during output activity Toff OFF period
36. xt step Note buffer solution value may change if environment temperature it s different than 20 C Read solution s label for more information According to this occurrence pH Default must be changed 18 9 Probe Calibration pH 1 amp Calib 2nd Point pH4 Move wheel on P2 then press wheel to enter into second point calibration submenu Prepare 4 00pH buffer so lution and dip probe s sensor on it Wait until reading value is stable and according to buffer solution value move wheel until it is the same on display Cal at field Default value is 4 00pH No Exit and Say To end procedure move cursor on OK and press wheel to proceed to Save request screen Move wheel on YES to save or NO to discard changes Note buffer solution value may change if environment temperature it s different than 20 C Read solution s label for more information According to this occurrence pH Default must be changed 19 9 1 Probe Calibration Conductivity Conductivity calibration procedure involves a zero calibration P1 and a 2nd calibration point P2 that requires a buffer solution with value near working range Furthermore TE Temperature and CA Automatica Compensation must be set Note This procedure assumes that instrument is correctly installed and configured connected to a working probe Calibrate using plant s temperature otherwise unattended results may oc
Download Pdf Manuals
Related Search