Instruction/ maintenance manual of the product EPHUM011 Hamilton Electronics
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pH ARC Sen so rs Mod bus RTU Progra mmer ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 / 67 pH ARC Senso rs Modb us RTU Progra mmer ’ s Manu al Firm w are version: EPHUM011.
pH ARC Sen so rs Mod bus RTU Progra mmer ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 / 67 Important N otice All rights res er v ed. No p art of th is docu ment may be re p roduce d, stored in a ret rieval sys tem, or trans mit ted in an y f or m without w ritten per miss ion from HAMILT ON Bonad uz AG.
pH ARC Sen so rs Mod bus RTU Progra mmer ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 / 67 Ta ble of Content 1 MODB US R TU GEN ERA L IN FOR MA T ION ............................................................................... 4 1.1 I NT RODU CTIO N .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 / 67 1 Modbus RT U general i nformat ion 1.1 Int r oducti on This docu ment describes in deta il the pH ARC Sens ors Modb us RTU i nter face. It is address ed to so f twa re programmers .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 / 67 2 pH A RC Sensor Com mands in Modbus RT U 2.1 General In order to communicate with a pH ARC Sens or o v er Modb us RTU protocol a Modbu s m aster terminal application s o f twa re is neede d.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 / 67 Command: Operator le v el Modbu s address : 4288 Len gth: 4 Type: 3 Re ad Parameter: Operator le vel Passw ord Format: Hex decimal Value: 0x 30 0 Figure 2.2.1.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 7 / 67 2.3 Configura tion of the serial RS485 Int erface Factory settings o f the RS485: Parity is n one, 1 s tart bit, 8 data bits , 2 stop bi ts (in tota l: 11 bits).
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 8 / 67 2.3.2 Ba ud Rate 2.3.2.1 Rea ding and W ritin g the Ba ud Ra te The baud ra te can be read and w ri tt en i n reg ister 4102 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 9 / 67 2.4 Configura tion of the Anal og Interfac es 2.4.1 Availab le An a log Interfaces A pH ARC Sens or has tw o i ndividual phys i cal ana l og inter f aces t hat ha v e ident ical functiona l ities, bu t can be con f igured inde pend ently fro m each other.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 0 / 67 2.4.3 De scription of the A nalog Interfaces 1 and 2 Regis ter 4352 / 4480 con tain the des cri ptions o f.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 1 / 67 2.4.5 Co nfiguration o f the 4-20 mA Interface Note: The configuration o f AO1 / AO2 is only effecti v e if registe r 4360 / 4488 (active ana l og interface mode) is se t to t he value 0 x 01, 0 x 02 or 0x04.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 2 / 67 2.4.5.3 Rea ding the Minimum an d Maxim u m P o ssi ble Phys ical Ou tput Current Start register N umber o.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 3 / 67 2.4.5.5 Rea ding the Selecte d Physica l U nit f o r A n alog I nter face Start register N umber o f registers R eg1 / Reg2 Modbu s f unc t ion code Read access Write access 4376 2 Selected phys ical unit o f A O 1 (se e chapter 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 4 / 67 p H A RC se n s o r : 4 - 20 mA in te r f a ce - li n e a r -15 -10 - 5 0 5 10 15 20 25 30 35 0 4 8 12 1 6 20 2 4 Cur r e nt [ m A] tem p eratu re [°C] 1 2 3 4 5 6 7 8 9 10 11 pH T em p [° C ] p H Figure 2 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 5 / 67 Attention: W hen ass igning m eas urem ent v alues t o 4-20 mA an alog o utput by us ing reg ister 4378 / .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 6 / 67 2.4.5.8 Defining the Er ror and Wa rning Outp ut of the 4 -20 m A Interfac e Errors a nd w arning s can b e m appe d to the AO1 / AO2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 7 / 67 2.4.6 Reading the In ternally Measured Output Cu rrent Reg.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 8 / 67 2.5 Measureme nt 2.5.1 De finition o f Measuremen t Ch a nnels and Physical Units The pH ARC Sens or Modbu.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 1 9 / 67 The pH ARC Sensor reg ister structure u se s the followin g physical un it s us ed f or Pr imary or Secon dary Meas urem ent Ch anne ls. Bit # Hex code Physical unit Start re gister.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 0 / 67 2.5.2 Primary Measurement Channel 1 (pH) 2.5.2.1 Descr ipti on of PMC1 In register 2080, a pl a in t e x t ASCII des cription o f PMC1 i s gi v en.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 1 / 67 2.5.2.3 Rea ding the measurem ent value of PMC1 Regis ter 2090 is als o us ed to read the meas urem ent v alues of PMC1.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 2 / 67 2.5.3 Primary Measurement Channel 6 ( T empe ra ture) 2.5.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 3 / 67 2.5.3.3 Rea ding the measurem ent value of PMC6 Regis ter 2410 is als o us ed to read the m easu rement values of P MC6.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 4 / 67 2.5.5 Seco ndary Measurement Cha nn els 1-16 pH ARC Sen so rs do allow a ccess to s econdary meas urement v al ues (16 i n total). T he acces s to the individual SMC depend s on the op erator level.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 5 / 67 2.5.5.2 Rea ding the measurem ent value of SMC The registers defi ned he re are us ed to read t he measu rement val ues o f ea ch SMC . Start reg. Num - ber of reg.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 6 / 67 2.6 Configura tion o f t he M easureme nt This chapter describes the con fi gurat ion of PMC1 and PMC6 by means o f m eas urem en t para m eters (PA). 2.6.1 Availab le Parameters In register 307 2, al l a vailable para m eters (PA ) are g iv en .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 7 / 67 2.6.2 PA9: Moving Average The pH ARC Sens or provi des new p H readings e v ery 3 seco nds. O ne has the pos sibility t o s m oothen the pH read ing (PMC1 ) by m eans of a moving a verage a pplied to the 3-s econd s-rea dings.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 8 / 67 2.6.2.1 Des cription of PA9 (Moving Ave rage) In regis ter 336 0, a pl a in te x t ASCI I des cri ption o f PA9 is giv en.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 2 9 / 67 2.6.2.3 Rea ding all Values f or PA9 By reading reg i ster 33 70, the a ctive phys i cal un i t o f meas urement, the s elected value, and the mi n an d max values can be read.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 0 / 67 2.6.3 PA12: Moving Average R pH ARC Sen so rs allow to ha v e a s eparate moving a v erag e on se conda ry m eas urement values : Glass res i stance Reference res i stance The mo ving average ca n be app lied on 1 to 16 3-s m eas urement values .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 1 / 67 By writing to regis ter 3466, the act ive physica l unit f or PA12 can be s elected, by cho os ing one o f the phys i cal units that are de f i ned in reg ister 3464 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 2 / 67 2.7 Calibratio n 2.7.1 Availab le Cal ibration Points In register 512 0, the a v ailab le number o f Calibrat ion Points (C P) for P rimary Meas urem ent C hann el 1 (PMC1) is defi ned.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 3 / 67 2.7.2 De finitions of Calibration Points 2.7.2.1 Calibrati on Points 1 a nd 2 (Standard Cali bration) The limits f or the cal ibration po i nt 1 are d e fi ned in re gist er 5152 , f or ca libration po int 2 in reg i ster 51 84.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 4 / 67 Command: R ead cal ibration s tability Modbu s address : 5128 L ength : 4 Type: 3 Read Parameter: Max drift pH [pH/min] Max drift Te m p [K/min] Format: Float Float Value: 0.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 5 / 67 2.7.3 Ca libratio n Procedur e 2.7.3.1 Calibrati on at CP1 and CP2 (Sta ndard C a lib rat i on) The ARC Sens or f a mily has a un ique ca libration rout i ne.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 6 / 67 Standard Calibrati on with Automatic Rec ognition of th e Standar d Prior to cal ibration, the s pecialist s elects - f or e ach s et o f calibrat ion stan dards - a list o f calibration stan dards allow ed f or au tomatic recogn ition (reg ister 9530 ).
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 7 / 67 Per f orm the f o ll ow i ng step s to do a s tandard ca li bration at CP1 and C P2: Step1: Select the d esired set o f cal ibratio n standards (s ee chap ter 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 8 / 67 Examples : ( De finitions o f register 5158 a nd 519 0 us ed i n thes e ex a m p l es are g iven in chapter 2.7.4.1, thos e for reg ister 487 2 in ch apter 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 3 9 / 67 Example to read the sen sor ’ s quali ty indicator: Command: Qua l ity i nd i cator Modbu s address : 4872 Len gth: 2 Type: 3 Re ad Parameter: Q uality [%] Format: Float Value: 10 0 Figure 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 0 / 67 W ha t happen s to the pH ARC Sens or ’ s calibrati on f unc t ion upon pro duct ca libration (CP6)? A product ca li brat ion adds a n off set t o the l inear ca libration funct ion de fi ned by the s tandard calibration at CP1 and CP2 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 1 / 67 The different f unct ionalities o f product ca li bration (C P6) are acce ss i ble through the f ollow i n.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 2 / 67 2.7.3.2.2 Product calibrati o n: As signment After succes sful i n itial meas urement a correc t v alue m us t be ass igned to the init i ally stored measure m ent d ata.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 3 / 67 2.7.3.2.4 Product calibrati o n: Restore sta ndard calibra tion If a product ca libration i s active this produ ct calibration can be temporari ly switched off by writing t he command 0 x 03 to reg i ster 5340 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 4 / 67 2.7.4 Re ading the Calibration Status 2.7.4.1 Reading the Cal ibration Stat u s of CP1 and CP2 A s tandard cali bra t ion i s not a l wa ys successful.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 5 / 67 Command: Ca libration s tatus CP1 Modb us add ress: 5158 Len gth: 6 Type: 3 Re ad Parameter: Sta tus Unit Value Format: Hex Hex Float Value: 0x 0000 0080 0x00 0010 00 4.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 6 / 67 2.7.4.2.1 Product calibrati on: Initial meas urement Calibration s tatus a f t er in i tial meas urem en t.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 7 / 67 The here pe rformed as signment w as success f ul . The se ns or is running us i ng a v alid prod uct calibration .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 8 / 67 2.7.5 Currently active Calibration Parameters par t 1 In registers 5164 (CP1), 5196 (C P2) a nd 532 4 (CP6) th e currently act iv e cal ibration para m eters pa rt 1 are s tored.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 4 9 / 67 2.7.7 Currently active Calibration Parameters par t 3 In register 552 0, 5528 an d 5560 the pH value of the us ed calibrat i on stan dards , the electrical potent i al of the pH se ns or and the te m peratu re upon ca l ibration are stored.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 0 / 67 2.7.9 Sp ecial Commands for Calibration with VISI C AL The VI SICAL cal ibration device allows calibration of pH ARC Sens ors at CP1 or CP2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 1 / 67 2.7.10 Calibrat ion Standards 2.7.10.1 A vailable Sets of Calibrati on Standards pH ARC Sen so rs can s t ore and o perate s ix different s ets of calibrat i on stan dards e ach ha v ing m ax 12 calibration s tandards .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 2 / 67 2.7.10.2 Definitions for Individua l Sets of Calibra tion Standards Once the opera tor ha s s el ected a s.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 3 / 67 Regis ter 9528 de fi nes f or the s el ected s et of calibrat i on stan dards: the a v ailable ca libr.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 4 / 67 By means of register 95 30, the s pecialist can de fi ne f or e ach a v ailable calibrat ion stand ard if the sp ecifi c stan dard is av ai lable. Start register N umber o f registers R eg1 / Reg2 (Bit, see figure 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 5 / 67 Manufactu rer A v a il abil it y f or manual select ion (le ft) and automatic recogni tion (right) HA MI L.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 6 / 67 Manufactu rer A v a il abil it y f or manual select ion (le ft) and automatic recogni tion (right) METTLER TOLEDO RA DIO METER Figure 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 7 / 67 2.8 Sensor Stat us 2.8.1 T emperature Ranges In registers 4608, 4612 a nd 461 6 three differen t te m per .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 8 / 67 2.8.2 O perating Hours and C ounters In register 467 6 are g iv en: total ope rating hours opera ting hours a bo v e ma x meas urement te mperature (s ee chapter 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 5 9 / 67 2.8.3 Warnings A “ W arn i ng ” is a not ifi cation mess age w hich still allow s f urthe r function i ng o f t he s ystem. This mes sa ge alerts the ope rator o f a poss i ble problem that could lead to u ncerta in results.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 0 / 67 2.8.4 Errors An “ Error ” mess age i ndicates a serious pro blem of the senso r w hich does no t al low further prop er f unc t ioning o f the sen so r. T his prob lem must be s olved.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 1 / 67 2.8.4.3 Definition of Errors Bit # Hex Description not a v a il able 5 0x 00000 20 G lass res i stan ce t .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 2 / 67 2.8.5 Re ading Definition of SI P and CI P pH ARC Senso r are counting spe cial cleaning e v ents s uch as sterilizations o r cl ean i ng cycles by means o f track i ng typica l tempera ture profiles (s ee chapter 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 3 / 67 Command: SI P definit ion Modbus ad dress: 4988 Len gth: 8 Type: 16 Write Parameter: T mi n [°C] T m ax [° C ] Tim e min [min] E m pty Format: F loat Fl oat Float Float Value: 12 0 130 30 0 Figure 2.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 4 / 67 2.9 Sensor I dentifi catio n and I nformat ion 2.9.1 G eneral Information General in f or m at ion abou t t he s ens or i s a v ailable as sh ow n i n the fi gure below .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 5 / 67 Command: Ser i al nu m ber Mod bus ad dress: 1312 Le ngth: 8 Type : 3 Read Parameter: Te x t Format: Chara cter Value: 00 0100 1 Figure 2.9.2.2: E x a m p le to read reg ister 1312 .
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 6 / 67 Command: Info use r Modbu s address : 1568 Len gth: 8 Type: 16 Write Parameter: Te x t Format: Chara cter Value: Hello Worl d Figure 2.9.3.2: E x a m p le to w rit e 16 ASCI I characters to register 1568 w ith operator A or S.
pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manua l (EPH UM011 ) 6243 00/01 page 6 7 / 67 HAMILTON Bon aduz A G Via Crusch 8 CH-74 02 Bona duz Sw itzerl and Tel. +41 81 6 60 60 60 Fax +41 81 6 60 60 70 contact@ha mil ton.ch 05 May 201 0 www .ham iltonco m pany.
An important point after buying a device Hamilton Electronics EPHUM011 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hamilton Electronics EPHUM011 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hamilton Electronics EPHUM011 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hamilton Electronics EPHUM011 you will learn all the available features of the product, as well as information on its operation. The information that you get Hamilton Electronics EPHUM011 will certainly help you make a decision on the purchase.
If you already are a holder of Hamilton Electronics EPHUM011, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hamilton Electronics EPHUM011.
However, one of the most important roles played by the user manual is to help in solving problems with Hamilton Electronics EPHUM011. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hamilton Electronics EPHUM011 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
