DDG2001型电导仪用户手册

1、SoftwareSoftware versionversion DDGDDG V2.0V2.02000 Series In line water quality an alysis apparatus with Chin ese in terfaceDDG-2001In tellige nt electric con ductivity meterUser ManualSTATE ELECTRIC PO WER COR PARATION, P. R. C.NANJING ELECTRIC PO WER AUTOMATION EQU IP MENT GENERAL FACTORY1CHAPTER

2、CHAPTER IIIIINSTALLATIONINSTALLATION & & WIRINGWIRINGCHAPTERCHAPTER I IPREFACEPREFACEOPERATING INSTRUCTIONS1.3FUNCTIONAL FEATURES1.4A PPLICATION RANGE2.1OPEN BOX2.2OVERALL SIZE2.4WIRING2.5ADJUST DISPLAY CONTRAST GRADIENT2.6ELECTRICITY CONNECTION FOR MEASURING SYSTEMCHAPTERCHAPTER IIIIIIABOUTABOUT EL

3、ECTRODEELECTRODECHACHA PTERPTER W OPOP ERATIONERATION10104.1 BE FAMILIAR WITH FRONT PANEL104.2 D ISPLAY SCREEN AND FUNCTION KEY104.3 SMSL114.4HOW TO CHOOSE MENU ITEM114.5 INPUT AND MODIFICATION OF NUMERICAL VALUE114.6 EXIT FROM MENU12CHACHA PTERPTER V P P ROGRAMMINGROGRAMMING INSTRUCTIONINSTRUCTION1

4、2125.1SWITCH -OVER OF THE DISPLAY INTERFACE125.2MAIN MENU125.3 CALIBRATION MENU135.4MENU MAINTENANCE155.5PROGRAMMING MENU15CHAPTERCHAPTERTESTTEST ANDAND SIMULATIONSIMULATION TESTTEST2323CHAPTERCHAPTERvnTECHNICALTECHNICAL SPECIFICATIONSPECIFICATION2525CHAPTERCHAPTERRUNNINGRUNNING , , MAINTENANCEMAINT

5、ENANCE ANDAND SERVICESERVICE2727230303030APPENDIXAPPENDIX A ADEFAULTDEFAULT V V ALUEALUEChapterChapter I I PrefacePrefaceOperatingOperating instructionsinstructionsThanks for your choice of DDG-2001 intelligent electric conductivity meters manufactured by our factory.Please read this book to help yo

6、u understand and use this product correctly, and hope to have your feedback about product performance and quality from your side. To get your trust is our start point and purpose. We guarantee to provide technical support and service after sales to you. Please read it carefully for you to use this p

7、roduct safely and conveniently.1.This apparatus has been past the strict test before dispatched from factory. Normally no need to do any adjustment if there is no severe damage after open the box. Please configure parameter according to your requirements.2.The apparatus should be mounted on the inst

8、rument cabinet correctly in good fixations.3.The panel of the apparatus is soft touch, please touch it slightly and don t press keyboard with hard material.4.The display part of the apparatus should not be collide or scuffing.5.As the special requirement of customer and unceasing perfect needs of so

9、ftware as well as the function has increased, the software is always being upgraded and changed. So every software and user manual has the edition number. There is the edition explanation on the cover of the user manual. Please pay attention that the edition of user manual should be identical with t

10、hat of the software.1.21.2SummarySummary ofof productproduct2001 industrial in line electricity conductive apparatus is one of 2000 series in line water quality analyzer meter, an intelligent continuous monitoring apparatus in line. It can be used in combination with various of the electricity condu

11、ctive measuring pools produced by our company to meet various kinds of requirements in different applications It is widely used in water supply to boiler in electricity generator, steam condensation water and continuously measure super water electricity conductive ratio.2001 industrial in line elect

12、ricity conductive apparatus is a multi function device with new concept, integrated electricity conductive measurement, temperature and temperature compensation measurement, alarm 3controller as well as super calculation. It is applied in variousfields.Chinese interface-total Chinese crystal liquid

13、multi parameter displayed simultaneously, menu reminder, simple operating, friendly human-machine interface.Simple operation-simple human-machine interface make user quickly master its operation and running.High intelligent-adopts single chip micro process technology to minimize the size and improve

14、 the anti-interference ability and reliability.Running reliability-integrated with multiple anti-interference technology to guarantee the accuracy of measurement and running reliability.Multi function and practical-multiple output to form a good measuring system in line.Communication function-standa

15、rd light and electricity isolated RS485 interface to be conveniently connected with printer, data trans-recorder and link up the computer networks to form a distributed control system1.31.3FunctionalFunctional FeaturesFeaturesAdopts international standard and modular design, DIN144 x 144 internation

16、al standard shell, 180mm in longwise to minimize the space between the control boxes.Total Chinese crystal liquid multi parameter display at the same time, menu reminder, simple operation, friendly human-machine. Water proof key board with 4 bits soft touch and function reminder to make the operatio

17、n very easy without special training.Liquid crystal screen with heliotropism to guarantee the use in poor light.Incentive power of electrode is plus-minus equal electrical potential pulse wave with accurate waveform and stable scope under micro process controlling, efficiently eliminate polarization

18、 effect and influence from capacity effect.Realize auto switching in the measuring range that covered by electrode.Each function and parameter is set by software without function switch and adjusting knob.Temp erature auto compen sated with in 0-60 C, also can be set as manual op eratio n. User can

19、program temperature coefficient to meet the requirements of different water quality.Access code is separately set calibration and programming to prevent the operation of non related personnelOptical isolated 2 circuits analog quantity DC 4-20Ma output, user programming corresponding to pH.Optical is

20、olation 4 circuits relay switch quantity output, user program sets the relay working status.Optical isolation RS-485 communicating interface, can be linked with the equipment such as printer, data trans-memory etc for recording historical data; also can be net with a group of instruments to form a n

21、et, and linked with computer to realize long distance communication for centralized management.Adopt the technology of WATCHDOG circuit, software pitfall, protection for power off, and digital filtering etc, attach importance to the on-site-fault tolerance capability to make the apparatus be equippe

22、d with strong anti-interference ability. Sensor input/microprocessor chip/power/isolation in each output module to restrain various interference of Industrial fields on spot effectively.41.41.4ApplicationApplication rangerangeIt is designed to meet the requirements of Industrial usage in wide range,

23、 including: super pure water, super water, drinking water and sewage water treatment and inspection. It is applicable in electricity generator, petrochemicals, pharmacy, food and light mechanical industry.5ChaCha pterpter IIIIInstallationInstallation & & WiringWiringuser manual1pc1442.12.1OpenOpen b

24、oxboxInspect accessories and materials of app aratusmain mach ine1pc1pcelectric con ducta nee flow pool1pcmeasuri ng electrode for electric con ducta nee conn ect ing cable1pccertificatio n of quality1pcRemark: 1: RS485 com mun icatio n in terface is an op ti onal accessory, n ot i ncluded in the no

25、 rmal supply ran ge.2: Con figure connection cable as sta ndard len gth of 5 meters.2.22.2OverallOverall sizesizeSee follow ing diagram2.32.3OpOp eningening thethe holehole installationinstallationThis app aratus should be in stalled on the open base with hole opening size: 138+05 x138+05mm(see foll

26、owing drawing)Installationmethod: first insert the apparatus into the mounting hole from back6side, put two p lastic ejector pin to the upper and bottom part of the fixing hole sep arately, the n tighte n the screw stem.Requireme nts for on site in stallati on:there should be no high electricity, st

27、rong magnetic field nearby the spot and acid gas. It better to fix the apparatus on the best view level during installation , keep the surface clean and dry, prevent it from water splashingand direct sunshine. It should be grounded safely.2.42.4WiringWiringSee follow ing wiri ng scheme and conn ect

28、it correctly.The term inal in sin gle row on the left of the back of app aratus is input term in al, and the terminal on the right in double row is out put term in al.Rem in der! App aratus should be groun ded safely to avoid electric shock !7DD-Abrow nDD-BBlueNOTEmptyNOTEmptyTEMP+BlackTEMP-Gree nYe

29、llowLPhase lineNMiddle linePEGround lineA1 +Current out put1A1-A2+curre nt out put2A2-RX/TX+RS485commu nicaRX/TX-ting in terfaceJ1relay 1out putuJ2erminalrelay2out putJ3Relay3out putJ4relay4out putWiring explanation :It forbidde n to open the out shell of app aratus after it is switched on. PI ease

30、cut off po wer to inspection the apparatus. When first installation, switched on the instrument after it was compi etely conn ected.Rem inder! AC power should be cut off while in wiring2.52.5AdjustAdjust disdis playplay contrastcontrast gradientgradientIf the con trast gradie nt of dis play is found

31、 very low and the character dis played dimly after app aratus is switched on, p lease p ress con firmati on key continu ously in the dis play 1 in terface to in crease the gradie nt or p ress exit key to decrease the gradie nt. Be cauti on that this function will be can celed after the app aratus is

32、 switched on for 5 minu tes.2.62.6ElectricityElectricity ConnectionConnection forfor measuringmeasuring systemsystemL=5/10/20mV50/ nzz /5.InpuConnect to AC220Connect to electric con ductive p oolOutp8requireme nt shouldCable for conn ect ing electric con ductive poolCable length : 5/10/20m (standard

33、 length is 5 meters, special be no ted on pu rchas ing. The maximum len gth is 30 meters).9brow nBlueblackgree nyellowDD-ADD-BTEMP+TEMP-AGND10Typ ical electricity connection for measuri ng system1-4S3继电器S2-2S2 继电器1S2-1 JDDG-2001S1-2si 继电器1S1-1cATem pn 五芯屏蔽电缆+MTBDDNSADoo-oEp1111111111电缆连接器插头O O电导电极11

34、12Electrode constant (k)Measuring range( S/cm)0.11.0 2000.010.04 20电缆连接器O O8外电极mounting screw thread (standardChaCha pterpter IIIIII AboutAbout electrodeelectrodeThere are 2 kinds of electrode that is matched with this app aratus for your choice accord ing to the measuring range, it is a bi-electrod

35、e measuring sensor consisted of electric conductive electrode and temp erature electrode, connect sec on dary meter by 5 cores shieldi ng cable with plug.3.13.1TheThe structurestructure andand sizesize forfor bibi -electrode-electrode measuringmeasuring sensorsensor5 cores cable connector join up in

36、 plug-in-mounting, 3/4PTX )Overall size : 37.5 X183.23.2MeasureMeasure thethe conductanceconductanceChoose the matched electrode accord ing to the measuri ng ran ge:engin eeri ng, every electrode has its own con sta nt that has bee n marked before dis patch ing from factory by a label stick ing on t

37、he electrode with con sta nt writte n on. PI ease check the con sta nt before sett ing the p arameter to electrode.Remark 2: the plug of electrode may come loose after used for a long time, that will result in the bad con tact. User can clamp the spring leaf.3.33.3TemTem peratureperature measurement

38、measurementThe temp erature measuri ng un it of electrode is Pt100 p lat inum electrode.3.43.4CleanClean andand installinstall forfor electrodeelectrodeIt suggested to do the first inspection after running for several days, when electrode is newiy moun ted on the tube system. If there is oil sta in

39、s, iro n rust and sedime nts etc. on the surface, it should be cleared.Electrode should be done insp ecti on p eriodically if the measuri ng system run in a long term and clean electrode when it is found to be polluted. If it is the ooze and particle deposited on the surface of electrode that affect

40、 the measuri ng accuracy, pl ease use soft and clea n tower or cott on to wipe them lightly.Various methods to clea n: use 5% hydrochloric acid compoun ded with 3% ablati on to clearboiler scale or iron rust;use 5%10% wash solute to clean oil and fat or oil-bearing by brush. Use cotton ball immersed

41、 in orga nic solve nt orga no sol of absolute ethyl alcohol or carb on tetrachloride to clea n the oil-beari ng if it is more. Be cauti on not sp lash the orga nic solve nt on the p lastic screw thread of electrode and out shell. Immerse it for the no rmal con tam in ate or heat ing it a little with

42、out exceed the temperature of 40 C .Remark 1: As the discreteness in manufacture3/4 PTX 螺纹37.5 33内电极13The sleeve of electrode should be screwed slightly without too tighte n or too loose whe n the electrode is repo siti oned after clea nin g. If the electrode is found in big error in measuri ng syst

43、em, the con sta nt of electrode should be sta ndardized.Wash clea n the electrode for 5 minu tes before it is put into use, the n soak it in the distilled water that should be cha nge regularly for 15 minu tes. All the wash is for the barrel shell of the metal material of electrode and innerdamp.Cha

44、Cha pterpter IV OpOp erationeration4.14.1BeBe familiarfamiliar withwith frontfront panelpanel4.24.2DisplayDisplay screenscreen andand functionfunction keykeyThe key has various fun cti on accord ing to the prompts on the dis play scree n (reverse dis play for status)Contrast table for display screen

45、 and function key14mai n dis play0.268 jiS/cm 26.0 C dis play2menuirst level menumenu calibrate maintenance p rogramming choosesec ond level menuI*choosealarm curre nt out put temp erature compen sati on choosenodi ficationnodify pa rare terdisplay!di splay interfacechoosechoose nenu orcontentdispla

46、ydi splay interfaceexitre turn to last leveldisplaydispla interfaci3nenuchoose main nenuincreaseincrease valueexecuteexecute related functoindecreasedecrease valur4.34.3 synbolIn itializati on symbol save symbol4.44.4HowHow toto choosechoose menumenu itemitemThe menu structure is gradation in pull-d

47、own type, it easy to select the menu items accord ing to the remin der from scree n.For exa mp le: menu level in p rogram ming the curre nt out put例：电流输出的编程操作的菜单层次4.54.5InputInput andand modificationmodification ofof numericalnumerical valuevalueUnder the statement of input and modify numerical valu

48、e, press choose key to change the po siti on of reverse white value, p ress modificati on key to cha nge nu merical value (0-9 circulati on) and p ress con firmatio n key to make it become effect.4.64.6ExitExit fromfrom menumenuWhen fini shed the op erati on for menu, want to exit from menu and retu

49、r n to measuri ng status, the app aratus p rovide two methods to return : a. p ress exit key ( or p ress this key for many times) to return to the measuring status instantly; b. timeout exit: no need to press key in non maintenance state, app aratus will automatically retur n to measuri ng status in

50、 10 minu tes later. This function is specially designed for avoiding failure of measuring for a long time due to wrong op erati on.15ChapChap terter V P P rogrammingrogramming instructioninstruction5.15.1Switch-overSwitch-over ofof thethe disdis playplay interfaceinterfaceThe app aratus p rovides 3

51、dis play in terface for your choice by p ress fun cti on key dis play 1-3 to cha nge the dis play in terface in circulati on.S30.268 fS/cm0.268 S/cm: measuring value for electric conductanee ratio25.0 C： temperature valuedis play1 1515225.0 Cdis play2menuS4S1 S4： alarm status alarmi ng)(no dis play

52、in case of noS1S1:DD10.00S3S1 S4： alarm status(no dis play in case of noS2:DD30.0 CS1 : electric conductaneeratio10.00 con tact pointS4: systemmoveme ntdis playS2dis play3dis play1S2 : electric conductaneeratio1.000, con tact point2 20/10/1moveme ntS4S3: con tact point moveme nt for whe n temp eratu

53、re is over30.0 CS4: con tact point moveme nt of whe n measuri ng systemtroubledS1out pu t1 : fS/cmS3S1 S4： alarm status(no dis play in case of no6.70mAalarmi ng)dis playout put 2 : fS/cmoutput1 : measuring value of electric conductanee ratio3 312.30mAcorres ponding to curre nt out put 12.3 Ma.S2dis

54、play 1out put 2： measuri ng valueof electric conductanee ratioS4corres ponding to curre nt out put 12.3mA5.25.2MainMain menumenuThe function of main menu is very important as it summarize all the function of the app aratus. Know it in details will bring many conveniences to you for your use.16menu f

55、or calibrati oncalibrati on calibrate the electric con ducta nee temp erature calibrati onfirst ste p142.5pS/cm25.0 Cexecutemenu calibrati onPress choose key for the related function and make it inmai nmaintenancereverse white.;menup rogram mingP ress confirm key to go to n ext level;chooseP ress ex

56、it key to return to dis play 1。5.35.3CalibrationCalibration MenuMenuThe app aratus n eeds to be calibrated if big error is found in the p eriodical inspection before it is put into run, that has great imp orta nee for the app aratus to run accurately and reliably.Prompts! Must input the secret code

57、to enter into the calibration menu if the secret codefor calibration has been programmed ! !Choose the related fun cti on by key and make it in reverse white.；Press confirm key to go to n ext levelP ress exit key to retur n to dis play 1p arameter choose5.3.1CalibrateCalibrate thethe electricelectri

58、c conductanceconductanceAfter the new pu rchased app aratus or the electrode whose con sta nt has bee n calibrated is put into runnin g, it just n eed sett ing the calibrat ing coefficie nt as 100% and input the correct electrode con sta nt. See cha pter 5.3.3 for the sett ing the electrode con sta

59、nt.The electricity con ducta nee n eeds to be calibrated if the big error is found. Calibrati ng the electricity con ducta nee is to adjust the con sta nt error of electricity con ductive electrode.To the unknown constant of electrode or the electrode needs to calibrate the electrodeconstant, set th

60、e electrode constant as 0.1 if the matched electrode is 0.1; set it as 0.01 if the matched electrode is 0.01. See chapter 5.3.3 for modifying the electrode constant. The electric con ducta nee ratio of calibrati on liquid should be close to the ratio.Soak the electrode in the distilled water (electr