Hamilton EPHUM011 manual

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 Firmware 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 part o f this docu ment may b e re produ ced, store d in a retrieva l sys tem, or trans mitt ed in any f or m w it hou t written pe rmis sion fro m HAMILTON Bon aduz A G. The contents o f thi s manual a re su bject[...]

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 GENER A L IN FOR MA TION ................................ ............................................... 4 1.1 I NT RODUCT ION ................................................................ .................................[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 / 67 1 Modbus RT U general inf ormatio n 1.1 Int r oduction This docu ment des cri bes in detai l the pH ARC Sen so rs Modbus RTU interface. It is addre sse d to so f tw are progra mmers. The gene ral informa tion abo ut Modbus command s truct ures and its imp le[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 / 67 2 pH A RC Sensor Com mands in Modbus RT U 2.1 General In order t o co mm unicate with a pH ARC Sens or ov er Mo dbus RTU protocol a Modbus master terminal application s o f twa re is need ed. The Modbu s RTU is an ope n stan dard and a number o f free and co[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 / 67 Command: Operator le v el Modbu s address : 428 8 Leng th: 4 Type: 3 Rea d Parameter: Operator le vel Passw ord Format: Hex decimal Value: 0x3 0 0 Figure 2.2.1.4: Exa mple to read the a ct iv e opera t or level: the act iv e le vel is 0 x 30 (Specialis t). T[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 7 / 67 2.3 Configurati on of the se ri al RS 485 Int erface Factory settings o f the RS485: Parity is n one, 1 s tart bit, 8 data bits , 2 stop bits (in tota l: 11 bits). 2.3.1 Device Address 2.3.1.1 Reading an d Writ i ng t h e D evice Address The se nsor s pecifi[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 8 / 67 2.3.2 Baud Rate 2.3.2.1 Reading an d Writ i ng t h e B a ud Ra te The baud ra te can be read an d w ritt en in reg ister 4102. Start register N umber o f registers R eg1 / Reg2 Modbu s f unc t ion code Read access Write access 4102 2 Baud rate cod e (definit[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 9 / 67 2.4 Configurati on of the Anal og Interfaces 2.4.1 Availab le A nalog Interfaces A pH ARC Sens or has tw o individual phys ical ana l og inter f aces that ha v e ident ical functiona l it ies, but can be con f igured indepen dently fro m ea ch o ther.  An[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 0 / 67 2.4.3 Des cription of the A nalog Interfaces 1 and 2 Regis ter 4352 / 4480 con tain the des cri ptions o f AO1 / AO2 as pla i n text ASC II: Start register N umber o f registers R eg1 … Re g8 16 ASCII characters Modbu s f unc t ion code Read access Write[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 1 / 67 2.4.5 Co nfiguration of the 4-20 mA I nterface Note: The configuration o f AO1 / AO2 i s only effecti v e i f register 4360 / 4488 (active ana l og interface mode) is se t t o the v alue 0x01, 0x02 or 0x04. 2.4.5.1 Reading the A vailabl e Pr imary Mea sure[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 2 / 67 2.4.5.3 Reading t he M inimum and Max imum Possi ble Phys i cal Output Curr ent Start register N umber o f registers R eg1 / Reg2 Reg3 / Reg 4 Modbu s f unc t ion code Read access Write access 4366 4 Min physica l output cu rrent f or A O1 [mA] Max phys i [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 3 / 67 2.4.5.5 Reading t he Selec te d Physica l Unit for A nalog Inter 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 AO1 (se e chapter 2.5.1) 3, 4 U/A/S n one 4504 2 Se[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 4 / 67 p H A RC se ns o r : 4- 20 mA int e rf 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 er atu re [°C] 1 2 3 4 5 6 7 8 9 10 11 pH T em p [° C ] p H Figure 2 . 4.5.6.3 : Exa mple o f linear 4-2 0 m A output c[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 5 / 67 Attention: W hen as signing m eas urement va lues to 4-20 mA analo g output by us i ng reg i ster 43 78 / 4506, you need to con sider the follow i ng:  The PMC yo u ha v e mapped to AO1 / AO2 (register 43 6 4 / 4492)  The phys i cal unit curren tly i[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 6 / 67 2.4.5.8 Defining the Error a nd Warning O u tput of the 4-20 mA Interfac e Errors a nd w arning s can b e mapped to the A O1 / AO2. Start register N umber o f registers R eg1 / Reg2 R eg3 / Reg4 R eg5 / Reg6 R eg7 / Reg8 Mo dbus f unc t ion code Read acces[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 7 / 67 2.4.6 Reading the In ternally Measured Output Cu rrent Reg. 441 4 / 4542 pro v ides internal para m eters o f A O 1 / AO2:  the se tpoint to w hich the curren t i s reg ulated in a c losed loop co ntro l  the electrica l current the se ns or is m eas[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 8 / 67 2.5 Measureme nt 2.5.1 Def inition of Measurement Channels a nd Physical Units The pH ARC Sens or Modbus regis ter structure all ow s the definition of 6 i nd iv idua l Primary Meas urem ent Channe ls (PMC), and 16 individual Seco ndary Measu rement Cha nn[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 1 9 / 67 The pH ARC Sens or register structure us es the followin g phys i cal units us ed f or Pr imary or Seco ndary Meas urem ent C hann els. Bit # Hex code Physical unit Start re gister. (8 ASC II characters , l ength 4 reg i sters , Type 3, read f or U/A/S) 0 [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 0 / 67 2.5.2 Primary Measurement Channel 1 (pH) 2.5.2.1 Des cription of PMC1 In register 2080, a plain text ASCII des cription of PMC1 i s gi v en . Start register N umber o f registers R eg1 … Re g8 16 ASCII characters Modbu s f unc t ion code Read access Writ[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 1 / 67 2.5.2.3 Reading the measurem ent value of PMC1 Regis ter 2090 is als o us ed to read the meas urem ent va lues of PMC1. Start reg. Nu m - ber of reg. Reg1 / Reg2 R eg3 / Reg4 R eg5 / Reg6 R eg7 / Reg8 R eg9 / Reg1 0 Modbu s f unc t ion code Read access Wri[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 2 / 67 2.5.3 Primary Measurement Channel 6 (Temperatur e) 2.5.3.1 Descr ipti on of PMC6 In register 2400, a plain text ASCII des cription of PMC6 i s gi v en Start register N umber o f registers R eg1 … Re g8 16 ASCII characters Modbu s f unc t ion code Read ac[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 3 / 67 2.5.3.3 Reading the measurem ent value of PMC6 Regis ter 2410 is als o us ed to read the measu rement val ues of PMC 6. Start reg. Nu m - ber of reg. Reg1 / Reg2 R eg3 / Reg4 R eg5 / Reg6 R eg7 / Reg8 R eg9 / Reg1 0 Modbu s f unc t ion code Read access Wri[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 4 / 67 2.5.5 Seco ndary Measurement Channels 1 -16 pH ARC Sen so rs do allow a ccess to s econdary measu rement v alues (16 in total) . The acces s to the individual SMC dep ends on the ope rator level. The a v a ilable SMC are de f i ned in reg i ster 2048 accor[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 5 / 67 2.5.5.2 Reading the measurem ent value of SMC The registers defined he re are us ed to read the m eas urement values o f each SMC . Start reg. Num- ber of reg. Reg1 / Reg 2 R eg3 / Reg4 Reg5 / Reg 6 Modbus f unc t ion code Read access Write access Address [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 6 / 67 2.6 Configurati on o f the 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 . Start regi[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 7 / 67 2.6.2 PA9: Moving Average The pH ARC Sens or prov ides new p H readings e v ery 3 seco nds. One has the poss i bility t o s moothen the pH read ing (PMC1 ) by means of a mo ving average app li ed to the 3-se conds -readings. PA9 can be ap plied on 1 to 16 [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 8 / 67 2.6.2.1 Descr ipti on of PA 9 (Moving Aver age) In regis ter 336 0, a plain text ASC II de script ion o f PA9 is given. Start register N umber o f registers R eg1 … Re g8 16 ASCII characters Modbu s f unc t ion code Read access Write access 3360 8 Des cr[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 2 9 / 67 2.6.2.3 Reading all Va lues for PA 9 By reading reg i s ter 3370, the acti v e phys i ca l unit of me as urement, the s elected va lue, and the min and max values can be read. Start register N umber o f registers R eg1 / Reg2 R eg3 / Reg4 R eg5 / Reg6 R eg[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 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 sep arate moving a v era ge on se conda ry m eas urem ent values :  Glass res i stan ce  Reference res i stan ce The mo ving average ca n be app lied on 1 to 16 3-s m ea surement va lues[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 1 / 67 By writing to register 34 66, the a ctive phys i cal un i t f or P A 12 can be s elected, by choos i ng on e o f t he phys i cal units that are de f i ned in reg ister 3464 . The value of the para m eter can b e set as w ell. Command: Mo v ing a verage Mod[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 2 / 67 2.7 Calibration 2.7.1 Availab le Calib rat ion Points In register 512 0, the a v a il ab l e nu mber of Calibrat i on Po ints (CP) for P rim a ry Measu rement Cha nnel 1 (PMC1) is defined. 8 i nd iv idual CP are theoretically poss i ble. Start register N u[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 3 / 67 2.7.2 Def initions of Ca libration Points 2.7.2.1 Calibration P oints 1 and 2 (Standard Ca librati on) The limits f or t he calibrat i on po i nt 1 are d e fi ned in regist er 5152, for calibrat i on poin t 2 in reg ister 5184 . Start register N umber o f [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 4 / 67 Command: R ead cal ibration s tability Modbu s address: 5128 Le ngth: 4 Type: 3 R ead Parameter: Max drift pH [pH/min] Max drift Te mp [K/min] Format: Float F loat Value: 0.1 0.5 Figure 2.7.2.1.5 : Examp le to read the calibrat i on s tability. Command: Se[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 5 / 67 2.7.3 Cal ibration Procedure 2.7.3.1 Calibration at CP1 and C P2 ( Standar d Ca l ibrat ion) The ARC Sens or f a mily has a u nique ca libration rout i ne. When initiating the calibrat ion, the da ta set o f the senso r i s automatica lly traced back w it [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 6 / 67 Standard Calibrati on with Automatic Recog nition of th e Stan dard Prior to calibrat i on, t he specialis t se lects - f or each s et of cal ibration s t and ards - a lis t o f ca li brat ion stan dards allow ed f or au t o m atic recogn i tion (reg i ste[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 7 / 67 Per f or m the follow i ng s teps to do a s t and ard calibration a t CP1 and C P2: Step1: Selec t the des ired s et of calibrati on stan d ards (se e chapte r 2.7.11) Step 2: I mmer se the sensor into o ne o f t he cal ibratio n stan dards av ailable in t[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 8 / 67 Examples: ( D e finitions o f register 5158 a nd 519 0 us ed i n the se e xamples are gi v en in chapter 2.7.4.1 , thos e for regis ter 4872 in cha pter 2.8 .6) Example to ca librate at CP1 w it h au tomatic recogn i tion: Command: Make ca libration CP1 Mo[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 3 9 / 67 Example to read the senso r ’ s quali ty indica tor: Command: Qua l ity indicator Modbus add ress: 4872 Len gth: 2 Type: 3 Re ad Parameter: Q ual it y [% ] Format: Float Value: 100 Figure 2.7.3.1.9 : Example to read the sen so r ’ s qua li ty indicator[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 0 / 67 W ha t happe ns to the pH ARC Sens or ’ s ca li bration function upo n produ ct calibrat i on (CP6)? A product ca li brat ion adds an off s et to the linear ca li bration function de fi ned by the s tandard calibration at CP1 and CP2. Product calibration[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 1 / 67 The different f unctional ities o f product ca li brat ion (CP6 ) are a cces sible through the follow i ng s enso r commands :  Initial meas uremen t  Ass i gnment  Cance l  Res t ore s tanda r d calibration  Res t ore pro duct calibrat ion [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 2 / 67 2.7.3.2.2 Product calibrati on: Assignment After succes sful i n itial meas urement a correc t v a lue mus t be ass igned to the init i ally stored measure ment data. This is ach i eved by w ri ting the correct ca l ibra tion v alue to register 53 22. Star[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 3 / 67 2.7.3.2.4 Product calibrati on: Restore sta ndard calibrati on If a prod uct calibration is active this product calibration can be t e mporarily switched off by writing the command 0 x 03 to reg i ster 534 0. Per f or ming this action the va lues of the pr[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 4 / 67 2.7.4 Rea ding t he Calibration Status 2.7.4.1 R eading the Cal ibration Stat u s of CP1 and CP2 A s tandard cali bra t ion is not a lways su ccessful . In orde r to an alyze wha t has gone w rong, tw o di ff erent calibration s tatus registers can be re a[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 5 / 67 Command: Ca libration s tatus CP1 Modb us add ress: 5158 Leng th: 6 Type: 3 Rea d Parameter: Status U nit Value Format: Hex He x Float Value: 0x0 0000 080 0x00 0010 00 4.01 Figure 2.7.4.1.3: E x a m ple to read the calibration s tatus o f CP1 a f ter calib[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 6 / 67 2.7.4.2.1 Product calibration: Init ial measure ment Calibration s tatus a f ter initia l measure ment co mmand un der cond itions ou tside the valid calibrat ion range f or CP6 (defined in reg ister 5312): Command: Ca libration s tatus CP6 Modb us add res[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 7 / 67 The here pe rformed as signment w as su ccess f ul. The se ns or is running us i ng a v al id product calibration . 2.7.4.2.3 Product calibrati on: Cancel Calibration s tatus a f ter cance lling an act ive prod uct cal ibration: Command: Ca libration s tat[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 4 8 / 67 2.7.5 Currently active Calibration Parameters par t 1 In registers 5164 (C P1), 5196 (CP2 ) an d 5324 (C P6) the cu rrently act ive calibrat ion para m eters pa rt 1 are s tored. Thes e registers contain the values for te mperature, nu mber of calibrat ion[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 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 v alue o f the us ed calibrat i on s tandards , the electrical potent i a l of the pH se ns or and the te mperature upon ca li bra tion are s t ored . Start regi[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 0 / 67 2.7.9 Spe cial Co mman ds for Calibration with VISICAL The VI S ICAL calibrat i on device allows calibration of pH ARC Sens ors at CP1 or CP2. The pH ARC Sens or ’ s asso ciated calibration pa ra m eters f or CP1 an d CP2 are thos e pred efined and s tor[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 1 / 67 2.7.10 Calibratio n Standards 2.7.10.1 A vailable Sets of Calibration Sta nd ards pH ARC Sen so rs can s t ore an d opera te six different s ets of calibrat i on s tandard s each ha v i ng m ax 12 calibration s tandards . Bef ore ca librat ion t he op erat[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 2 / 67 2.7.10.2 Definitions for Individua l Sets of Calibratio n Standards Once the opera tor ha s s el ected a s et of calibration s t and ards (re gister 947 4) the register 950 4 and f o llow ing give all in f or m ation o n the se lected set o f calibration s[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 3 / 67 Regis ter 9528 de fines f or the s elected set o f cal ibration s tandards :  the a v ai lable calibrat ion stand ards for man ual selection o f the pH va lue  the a v ai lable calibrat ion standa rds for au tomatic recogn i tion o f the pH v a lue S[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 4 / 67 By means of register 953 0, the s pecialist can de fi ne for ea ch a v ai lable calibrat ion stand ard if the sp ecifi c sta ndard is av a il able. Start register N umber o f registers R eg1 / Reg2 (Bit, see figure 2.7.10.2.8) Modbu s f unc t ion code Read[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 5 / 67 Manufacture r Av ailabi lity f or manual selection (left) and automatic recogni tion (right) HA MI LTON MERCK TITRISO L DIN 1926 7 NIST S T AND A RD[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 6 / 67 Manufacture r Av ailabi lity f or manual selection (left) and automatic recogni tion (right) METTLER TOLEDO RA DIO METER Figure 2.7.10 .2.13: De f ault de finitions in regis ter 9528 for all 6 sets o f calibrat i on stan dards a v ailable in pH ARC Sen so [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 7 / 67 2.8 Sensor Stat us 2.8.1 T emperature Ranges In registers 4608 , 4612 and 4 616 three d ifferent te m per ature ran ges are defi ned :  Operation – in t h i s ran ge the s ens or will work prop erly (curren t output, Modb us communicat ion), except th[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 8 / 67 2.8.2 Op erating Hours an d Counters In register 467 6 are g iv en:  total opera ting hours  opera ting hours a bo v e ma x meas urement te mperature (se e chapter 2.8.1)  the opera ting hours a bo v e ma x operat ing t e m pera ture (s ee chapter[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 5 9 / 67 2.8.3 Warnings A “ W arning ” is a not ifi cation mess age w hich still allow s f ur ther func ti on i ng o f the sys t em. This mess age alerts the ope rator o f a poss i ble problem that could lea d to uncertain res ul ts. 2.8.3.1 C urrently A ctive [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 0 / 67 2.8.4 Errors An “ Error ” mess age i ndicates a se rious problem of t he senso r wh ich does not all ow f urther proper f unc t ion ing of the s ens or. This proble m must be s olv ed. 2.8.4.1 C urrently A ctive Errors The current l y act ive errors ar[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 1 / 67 2.8.4.3 D efinition of Errors Bit # Hex Description not a v a il able 5 0x0000 020 Gl as s res istance too high 6 0x0000 040 Gl as s res istance too l ow 7 0x0000 080 Reference e lectrode res istance too h i gh 8 0x0000 100 Reference e lectrode res istance[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 2 / 67 2.8.5 Rea ding Definition of SIP and CIP pH ARC Senso r are counting specia l clea ning events su ch as sterilizations or clean ing cycles by means o f track ing typical t e m pera ture profiles (s ee chapter 2.8.2). Regis ter 4988 defines a typical te mpe[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 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 mi n [min] Empty Format: Float Fl oat Float Float Value: 120 1 30 30 0 Figure 2.8.5.3: E x a m ple to write the SIP definitions . Command: [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 4 / 67 2.9 Sensor I dentifi cation and Inf ormation 2.9.1 Ge neral In formation General in f ormat ion abou t t he s ensor is a v a il ab l e as s how n in the fi gure be low. Start register N umber o f registers R eg1 … Re g8 (16 ASCII characters ) Example o f[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manu al ( EPHUM011 ) 6243 00/01 page 6 5 / 67 Command: Ser i al nu m ber Mo dbus a ddress: 1312 Len gth: 8 Type: 3 Re ad Parameter: Te x t Format: Chara cter Value: 000 1001 Figure 2.9.2.2: Exa m p l e to read re gister 131 2. 2.9.3 F ree User Mem ory Space Thes e registers can be u sed to store a ny [...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manual (EPHUM01 1) 6243 00/01 page 6 6 / 67 Command: Info use r Modbu s address : 156 8 Leng th: 8 Type: 16 Write Parameter: Te x t Format: Chara cter Value: Hello Worl d Figure 2.9.3.2: Exa m p l e to w ri te 16 ASC II characters to re gister 1568 w i th operator A or S. Command: Info use r Modbu s a[...]

pH ARC Sen so rs Mod bus RTU Progra mm er ’ s Manual (EPHUM01 1) 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 mpany.com Manua l P/N: 62 4300 /01[...]