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Model ISC450G [Style: S2] Inductive Conductivity

1. IM 12D06D05 01E Online menu Most appl Error Calibration Hold Instrument Commissioning Level 1 menu Level 2 menu Level 3 menu Error description remedy CC Calibration SC1 CC Calibration SC2 Air Calibration Sample calibration SC1 Sample calibration SC2 TC Calibration SC1 TC Calibration SC2 Temp Calibration Hold Instrument Hold Outputs Hold Off Measurement setup Configure sensor Meas unit Fact CC Measure 99 Level 4 menu Temp settings Temp sensor Temp unit Temp compensation Temp comp Man value Ref temp Method SC1 TC SC1 Matrix SC1 Method SC2 TC SC2 Matrix SC2 Calib settings Air adjust limit cc hi limit cc lo limit Stab time cal interval Concentration Additional table Conc table unit IM 12D06D05 01E soos 56 Online menu Level 1 menu Level 2 menu Commissioning Output setup mA1 setup mA2 setup similar to mA1 S1 setup S2 setup similar to S1 S3 setup similar to S1 S4 setup similar to S1 HOLD setup Logbook config IM 12D06D05 01E Level 3 menu Type control Func Process parameter PID SP PID Rng PID dir PID MR PID I time PID D time Burn Expiry time Type control Func Process parameter Expire time PID SP PID Rng PID dir PID MR PID I time PID D time Analog output DC period time max pulse freq Type fail func HOLD L F mA1 fixed mAQ2 fixed Hold during cal Configure Input
2. SC450G 16 OUTER 15 INNER 14 OUTER ELECTRODE 1 13 INNER Not used 11 TEMP mA Outputs O 1 Noincendive field wiring parameters for Sensor input WARNING Substitution of components may impair suitability for Division 2 Do not remove or replace while circuit is live unless area is know to be non hazardous Explosion Hazard Do not disconnect equipment unless area is know to be non hazardous Do not reset circuit breaker unless power has been removed from the equipment or the area is know to be non hazardous Wiring for Division 2 must comply with NEC NFPA 70 or Local Electrical Code as applicable At Ta 55 C Maximum Current rating for Relay Contacts S1 S4 is 4A At Ta 40 C Maximum Current rating for Relay Contacts S1 S4 is 5A Incase of using cable glands in Outdoor location they shall be UV rated or made of metal Rev 4 August 13 2007 Doc No NFM016 A9 P 1 Yokogawa Electric Corporation NFM016 IM 12D06D05 01E Customer Maintenance Parts List Item la 1b 2 uo Ba 5D 56 6a 6b 7 8 9 10 11 12 Part No K9676GA K9676HA K9678EA K9676MA K9676MX K9676MW K9676MY A1108EF A1111EF K9676BE K9676BU K9676DL K9676BT K9676CM K9171SU K9316AF K9676BC E wesch a et e I lI lI lI I 1 1 1 Model ISC450G Style S2 Inductive Conductivity Converter Description Power board assembly AC v
3. User s Model ISC450G Style S2 M Inductive Conductivity E St anua Converter C e e e vigilantplant IK P ien eneralzec e em 6 YOKOGAWA 4 TT Gto Yokogawa Electric Corporation Note This page may be referred to when reading pages where subsequent submenu screens are shown in the text Connection to the relevant submenu screen is indicated by a doted line with an arrow Note that screens in the text are typical examples and actual screens may differ depending on the set parameters Commissioning Change language Commissioning Y Commissioning 4 Output setup 4 Input contact setup Error configuration 4 Logbook configuration el Advanced setup Display setup Pes 7 Measurement setup 2 Connection to the relevant submenu screen is indicated by a doted line with an arrow SS Ld I ct NN Measurement setup Measure Conductivity only CP Configure sensor Temperature settings Temp Compensation 4 Calibration settings Concentration 1 3 onductivity too high Warn or Concentration igh limit 1 000 S onductivity too low Warn or Concentration 7 Sensor logbook Settings logbook mA Settings logbook contact rase logbook Calibration rase No am if logbook full No Advanced setup Passwords Date time HART Factory adjustment Display setup 7 Main display rend Graph Screen X axi
4. 23 Concentration measurement is only possible if measure in the Configure sensor menu is set to conductivity concentration No action No action Concentr table 3 3 Sicm Sicm Sicm Siem Sicm Sicm Siem mandatory 100 uS 120 100 30 s 250 days IM 12D06D05 01E ONINOISSIININOO I4NLINYLS NNAW H 24 5 6 mA output setup The general procedure is to first define the function control output simulate off of the output and second the process parameter associated to the output Available process parameters depend on selected sensor type and measurement setup Off When an output is set off the output is not used and will give an output of 4 mA A selection of P PI or PID control Static output required to maintain equilibrium state with setpoint Direct If the process variable is too high relative to the SP the output of the controller is increased direct action Reverse If the process variable is too high relative to the SP the output of the controller is decreased reverse action Linear or non linear table output The table function allows the configu ration of an output curve by 21 steps 5 intervals In the main menu concentration can be selected to set the concentration range Percentage of output span Normal span of outputs are limited from 3 8 to 20 5 mA Contact S4 is programmed
5. ANSI Unit mm inch AM20 REAR GLANDS ONIYIM ANY NOILVTIVLSNI H Sensor Power a Q output Contact signals output Sa Se es ad S RA Contact et CH o EP 7 BOK 4 The external switch or circuit breaker should be installed within reach of the operator and identified with marking as a power supply switch to the converter 5 Power lines such as power cables and contact outputs should be fixed securely onto a wall or construction using cable racks conduit tubing nylon bands or other appropriate ways Accidental removal from terminals by pulling may result in electric shock Local health and safety regulations may require an external circuit breaker to be installed The instrument is protected internally by a fuse The fuse rating is dependent on the supply to the instrument The 250 VAC fuses should be of the time lag type conforming to IEC127 IM 12D06D05 01E IN 10 N WARNING Fuse replacement should be performed only by a qualified service person See Sec 7 MAINTENANCE Fuse Fuse ratings Power supply Fuse type 12 24VDC 10W max 2A 250V Slow 100 240VAC 15VA max 0 5A 250V Slow 3 3 2 Access to terminal and cable entry Terminals 1 and 2 are used for the power sup ply Guide the power cables through the gland closed to the power supply terminals The ter minals will accept wires of 2 5 mm 14 AWG Always use cable finishings if possible 32 31 33 42 141 43 NC C
6. vi Note 1 INTRODUCTION AND GENERAL DESCRIPTION The Yokogawa EXAxt ISC450G is a converter designed for industrial process monitoring measurement and control applications This instruction manual contains the information needed to install set up operate and maintain the unit correctly This manual also includes a basic troubleshooting guide to answer typical user questions Yokogawa can not be responsible for the performance of the EXAxt converter if these instructions are not followed 1 1 Instrument check Upon delivery unpack the instrument care fully and inspect it to ensure that it was not damaged during shipment If damage is found retain the original packing materials including the outer box and then immediately notify the carrier and the relevant Yokogawa sales office Make sure the model number on the nameplate affixed to the top of the instrument agrees with your order Example of the nameplate is shown below KCC REM S YHQ EEN257 C INDUCTIVE CONDUCTIVITY TRANSMITTER MODEL ISC450G SUFFIX SUPPLY OUTPUTS AMB TEMP 4 20mA mA1 HART 20 to 55 C NI CL I DIV 2 GROUPS ABCD T6 FOR Ta 20 to 55 C A SEE INSTRUCTION MANUAL APPROVED TYPE 4X SEE CONTROL DRAWING NFMO16 A9 P 1 e YOKOGAWA us Made in Japan Qw O C Figure 1 1 Nameplate The nameplate will also contain the serial number and any relevant certification
7. 1 2 HE ERE Pm FE T ma EH 73 ti 31 32 33 41 42 43 51 52 53 71 72 73 f HR Him FA Et IMF 61 62 65 66 HE HR EH F 100M amp LIE 500V DC BETWEEN POWER SUPPLY TERMINALS 1 2 AND PROTECTIVE EARTH TERMINAL BETWEEN CONTACTS TERMINALS 31 32 33 41 42 43 51 52 53 71 72 73 AND PROTECTIVE EARTH TERMINAL BETWEEN CURRENT OUTPUT TERMINALS 61 62 65 66 AND PROTECTIVE EARTH TERMINAL 100MQ OR MORE 500V DC ER IF 1 2 HE ERE tig FE Hz 5 EH 73 HF 31 32 33 41 42 43 51 52 53 71 72 73 tE HR EE E Hb m FR 1400V AC 2 TE BETWEEN POWER SUPPLY TERMINALS 1 2 AND PROTECTIVE EARTH TERMINAL BETWEEN CONTACTS TERMINALS 31 32 33 41 42 43 51 52 53 71 72 73 AND PROTECTIVE EARTH TERMINAL 1400V AC 2sec EH Hit 61 62 65 66 Rie HE Hh m FE 500V AC 2 fi BETWEEN CURRENT OUTPUT TERMINALS 61 62 65 66 AND PROTECTIVE EARTH TERMINAL 500V AC 2sec FE bk R INDICATION Q RESISTANCE RR INDICATION Q RESISTANCE EE HERE FANE Q REFERENCE ACCURACY ACTUAL RENGE4 15K 15K 00 ERROR RANGES k o 9x 1L RANGES is mo x PT1000 JE li SS 73 INDICATION C Q REFERENCE ACCURACY ACTUAL 9609 OS 1913 235 soa pg 1482 0 t3 pg AS 0 02mA DC ACCURACY 0 02mA DC 4311 OUTPUT1 mA DC HJ12 OUTPUT2 mA DC REFERENCE ACTUAL ERROR REFERENCE ACTUAL ERROR Low Woa e O oc cL A ptt 2 20 pp 2 A me im AMBIENT TEMP amp HUM KA APPROVED BY YOKOGAWA
8. after HOLD has ended c q has been overruled A warning is activated in case of a simulated output contact 5 10 Input contacts The terminal of the ISC450G provides for an in put contact see Figure 3 7 This input contact can be used to switch the range of the outputs The range can be increased by 1 decade IM 12D06D05 01E Output setup mA2 Output gt Alarm Alam Off Fail 4 Configure Hold Input contact Select function Disabled Simulation S1 fail A Setup Hard Soft Fail Hard Soft Fail Hard Fail only Contact off po Contact off Percentage 50 00 Factor 10 m 1 Factor 10 m 2 Factor 10 mA1 2 Menu Parameter Default values min Percentage 50 0 29 depending on mA1 and mA2 output settings IM 12D06D05 01E ONINOISSIININOO AYNLONALS NNAW H 30 5 11 Error configuration Errors 1 3 3 3 Errors are intended to notify the user of any unwanted situations The user can determine which situations should be classified as FAIL immediate action is required The proc ess variable is not reliable WARN the process variable processes by the converter is still reliable at this moment but maintenance is required in the near future FAIL gives a flashing FAIL flag in the main display The contact configured as FAIL Commissioning gt gt output setup will be en ergized continuously All the other contacts are Flashing Fail flag in main d
9. contact Configure error Off Warn Fail set limits Sensor logbook mA logbook Contact logbook Erase logbook Warn logbook full Level 4 menu Type output Func Process parameter Lin 0 Lin 100 Burn Damping time Type simulate Func Sim Perc Type Off Type alarm Func Process parameter alarm SP alarm dir alarm hyst alarm delay expiry time Type simulate func on off percentage Type hold func Type Off Calibration Sensor All logbooks Online menu Loop test Basic setup Review Level 1 menu Tag Distributor Model Device information Model Distributor Write protect Manufacturer Dev id Tag Descriptor Message Date Universal rev Fld dev rev Sofware rev Poll addr Num req preams Level 2 menu Level 3 menu Date Descriptor Message Poll addr Num resp preams Note HART protocol DD files can be downloaded by following URL http www yokogawa com an download an dl fieldbus 001en htm 57 Level 4 menu IM 12D06D05 01E SET 58 APPENDIX 6 Control drawing for FM approval Model PH450G SC450G ISC450G Date February 28 2007 7 Drawings 7 1 Control Drawing Non hazardous Location ass I Div 2 PH450G SC450G ISC450G Sensor Power Supply 100 240VAC AC version 12 24VDC DC version O O Sensor Inputs PH450G Relay Contacts I O 5 S E INPUT 2 Input Contacts O 14 LE 12 TEMP 11 TEMP
10. meeting the highest standards of precision available Allow the sensor to reach stable readings for both temperature and conductivity before ad justing to correspond to the calibration solution value The setting of a cell constant for a new replacement sensor is also possible in this routine This avoids the need for entry into the commissioning mode which may have another authorization password level Press the L i key and choose Execute Cali bration Press Cell constant manual to execute calibration 6 3 Cell constant automatic This routine is built around the test method described in OIML Organisation Internationale de Metrologie Legale International Recom mendation No 56 It allows the direct use of the solutions prescribed in the test method au tomatically selecting the appropriate tempera ture compensation The look up table is used to find the appropriate conductivity reading for the measured temperature See appendix 3 for OIML solutions Press the L i key and choose Execute Cali bration Press Cell constant automatic to execute calibration 6 4 Air zero calibration With the clean dry cell in open air the reading should be zero The Air cal compensates for excess cable capacitance and gives a better accuracy at low readings This should be done for all installations during commissioning After some time in service a dirty sensor may well show a high zero offset because of fou
11. screening material as short as possible Insulate the overall screen and the 2 coaxial screens with suitable plastic tubing Strip and terminate all ends with suitable crimp terminals and identify with numbers as shown Finally shrink the overall heat shrink tube into position Figure 3 11 a Figure 3 11 b Figure 3 11 c 15 3 cm 9 cm heat shrink remove insulation Es O 009997974 ENN RAT mm y EAS trum d I cotton threads IM 12D06D05 01E ONIYIM ANY NOILVTIVLSNI H 16 4 OPERATION OF EXAxt ISC450G This button gives access to the diagnostic infor mation of the analyzer The following messages will appear under normal default conditions 4 1 Main display functions 4 3 Zoom in on details Tag EXAxt ISC450 sch Go to trend screen 3 a 760 Goto zoom screen mS cm L250 C O Goto status screen Home key back to 16 64 p Goto maintenance screen dhl oleh Figure 4 1 Main Display eege A heart mark is lit on the right upper corner of the 4 screen when HART communication is active An X 1200 800 9 SET EES grey mark is lit when HART communication is abnormal SNE MR Nothing appears when HART communication is not Enter selected data used or choice Note that the X mark may appear due to output signal noise or the like even when HART communica First zoom screen tion is not used The
12. 1 Class A Table 2 For use in industrial locations 1 EN 61326 2 3 EN 61000 3 2 Class A EN 61000 3 3 Korea Electromagnetic Conformity Standard 1 Influence of immunity environment Criteria A Output shift is specified within 35 of F S Installation altitude 2000 m or less Category based on IEC 61010 II Note Pollution degree based on IEC 61010 2 Note Note Installation category called over voltage category specifies impulse withstand voltage Category ll is for electrical equipment Pollution degree indicates the degree of existence of solid liquid gas or other inclusions which may reduce dielectric strength Degree 2 is the normal indoor environment AN CAUTION This instrument is a Class A product and it is designed for use in the industrial environment Please use this instrument in the industrial environment only O Environment and operational conditions Ambient temperature 20 to 55 C 5 130 F Storage temperature 30 to 70 C 20 160 F Humidity 10 to 90 at 40 C 100 F RH non condensing Data protection EEPROM for configuration data and logbook Lithium cell for clock Watchdog timer Checks microprocessor Power down Reset to measurement Automatic safeguard Auto return to measuring mode when touchscreen is untouched for 10 min Model and Suffix Codes Style S2 ISC450G pss Inductive conductivity Converter Power AC version 100 240 VAC DC version 12 24 VDC Ty
13. Amps ambient temperature should be less than 40 C F Contact input G H sr J K L au Contact open Contact closed Remote range switching to 10 times the programmed range If impedance gt 100 KQ Rangel 2 Programmed range for mA1 and mA2 output is Rangel 2 If impedance lt 10 Q 10 x Rangel 2 Temperature compensation Function Reference temp Calibration Logbook Display Shipping details Package size Package weight Converter weight Housing Colour ISC450 A D A ISC450 A D U Automatic or manual for temperature ranges mentioned under B inputs Programmable from 0 to 100 C or 30 210 F default 25 C Semi automatic calibration using pre configured OIML KCl buffer tables with automatic stability check Manual adjustment to grab sample Organisation Internationale de Metrologie Legale international recommendation nr 56 standard solutions reproducing the conductivities of electrolytes 1981 Software record of important events and diagnostic data readily available in the display or through HARTO Graphical Quarter VGA 320 x 240 pixels LCD with LED backlight and touchscreen Plain language messages in English German French Spanish Italian Swedish Portuguese and Japanese 290 x 300 x 290 mm Lx W x D 11 5 x 11 8 x 11 5 inch app 2 5 kg 5 5 Ibs app 1 5 kg Cast aluminum housing with chemically resist
14. Model ISC450G Style S2 Inductive Conductivity Converter Manual Number IM 12D06D05 01E Edition Date Remark s 1st Jul 2007 Newly published 2nd Sep 2007 Revisions Back side of cover note added p1 FM approval description of Figure 1 1 changed p7 some CAUTION of Figure 3 4 and the touchscreen added p16 sec 4 3 12 Serial number changed p19 parameter values corrected p21 parameter values corrected p22 note added p29 made some revisions p37 some CAUTION of the touchscreen added p39 to p42 Sec 9 QUALITY INSPECTION inserted p43 Sec 10 SPARE PARTS section and page moved p44 to p54 APPENDICES page moved p50 note of serial number added p54 APPENDIX 6 Control drawing for FM approval added CMPL 12D06D05 02E 1st Edition made some revisions 3rd Aug 2008 Revisions Back side of cover note illustration added p3 Japanese added to display language p4 option codes U PM H5 AFTG ANSI AM20 added to Model and codes p5 to 6 Layout changed Figure 3 1 moved and changed because external dimensions for awning hood H5 conduit adapter AFTG ANSI AM20 added p7 Figure 3 4 title modified p8 conduit adapter work added to subsection 3 2 2 p9 to 14 Layout changed descriptions after conduit adapter work moved p17 Subsection 4 3 12 Serial number gt HART ID changed p20 to 35 Layout changed illustration of submenu screen placed on appropriate page p37 error corrected p41 some error correcte
15. as a fail safe contact Control Manual reset Direction Output Simulate Fail safe Burn Low or High will give an output of 3 6 resp 21 mA in case of Fail situation yo When leaving Commissioning Hold remains active until switched off manually This is to avoid inappropriate actions while setting up the measurement Proportional control Proportional Control action produces an output signal that is proportional to the difference between the Setpoint and the PV deviation or error Proportional control amplifies the error to motivate the process value towards the desired setpoint The output signal is represented as a percentage of output 0 100 IM 12D06D05 01E Proportional control will reduce but not eliminate the steady state error Therefore proportional Control action includes a Manual Reset The manual reset percentage of output is used to eliminate the steady state error Any changes disturbances in the process will re introduce a steady state N error Note Proportional control can also produce exces sive overshoot and oscillation Too much gain may result in an unstable or oscillating proc ess Too little gain results in a sustained steady state error Gain 1 Range PV units Integral Control Integral control is used to eliminate the steady state error and any future process changes It will accumulate setpoint and process load changes by continuing to adjust the output until
16. calibration data is not consistent this fact is used as a diagnostic tool The significance of this error message is to require the user to improve his calibration technique Typical causes for this error are attempting to calibrate dirty sensors calibration solution contamination and poor operator technique 8 5 Error displays and actions All errors are shown in the Main Display screen however the EXAxt makes a distinc tion between diagnostic findings The error messages may be set to OFF WARN or FAIL For process conditions where a particular diag nostic may not be appropriate the setting OFF is used FAIL gives a display indication only of that the system has a problem and inhibits the relay control action and can be set to trigger the Burn function Burn up or Burn down drives the mA output signal to 21 mA or 3 6 mA respectively 43 9 QUALITY INSPECTION ISC450G Inductive Conductivity Converter Quality Inspection Standards Scope This inspection standard applies to the ISC450G Inductive Conductivity Converter Inspection Items 2 1 Insulation resistance test 2 2 Dielectric strength test 2 3 Sensor signal input test 2 4 Temperature indication check 2 5 Current output test Note Items marked with an asterisk may only be confirmed by a test certificate Inspection Methods Standards and Conditions e Connect the testing circuit as shown in Figure 1 Allow the instrument to warm up for at lea
17. d 7 Measurement setup Output setup Input contact setup Error configuration Logbook configuration Advanced setup Commisioning menu display Display setup IM 12D06D05 01E O90STOSI IXVX3 40 NOILVH3SdO H 20 5 MENU STRUCTURE COMMISSIONING 5 1 Configure sensor Measuring unit cm m Either cm or m can be chosen here The Proc ess values will be expressed in S cm or S m respectively Cell constant factory Cell constant given by factory calibration Usually given on a label on the sensor or the calibration certificate Measure Process values to be measured can be se lected to suit the user s preference Conduc tivity only Concentration only or one of both Conductivity and Concentration 5 2 Temperature setting Temperature Element Selection of the temperature sensor used for compensation The default selection is the Pt1000 Ohm sensor which gives excellent pre cision with the two wire connections used The other options give the flexibility to use a very wide range of other conductivity sensors Temperature Unit Celcius or Fahrenheit temperature scales can be selected to suit the user s preference AN Note IM 12D06D05 01E 5 3 Temperature compensation Compensation Two types of methods can be used here Au tomatic for use of temperature element Select one of the Temperature elements used The other is a manual set temperature The manual temperature that represen
18. during cleaning it may be necessary to calibrate Since the ISC450G ISC40 inductive conduc 2 tivity system measures the conductivity of the liquid winding through the doughnut part of this measuring cell is outside the doughnut If there is little space between doughnut and process piping calibration with a sample of the process fluid is necessary to ensure accurate measurement 2 How is calibration done Calibration is carried out by measuring a solution which has known conductivity and adjusting the instrument to show the correct conductivity value The calibration can be achieved using one of erence temperature of the instrument usually 25 C The actual conductivity value of the solution is taken from tables To calibrate the instrument the sensor is removed and suspended in the solution the conductivity value from the tables is then entered and the calibration routine completed Make sure the sensor does not touch the sides of the container refer to Figure 6 1 Alternatively the instrument can be calibrat ed using the process solution measured with a standard instrument Care must be taken to make the measurement at the reference temperature since differences in the type of temperature compensation of the instruments may cause an error With this method the sensor is not removed from the process This method is the most convenient method of calibrating the ISC450G converter Since the sensor is immersed i
19. is completed touch the Exit to return to the HIF display Current Output Test Following Section 3 4 select the Check in mA outputs of the HIF display Set value 4 000 mA appears at the bottom of the display Select Next value in the Command and touch Enter the value on the data display increases in steps of 4 mA Check the current outputs 1 and 2 corresponding to the data display the current output must be within the range shown in Table 4 IM 12D06D05 01E QIS 12D06D05 01E 45 Table 4 Data Display Current Output mA DC 4 4 0 02 12 12 0 02 20 0 02 After all tests are completed a Touch the Exit twice to return to the Service display b Select Normal in Key c Touch the Home icon to return to the initial display POWER ISC450G SUPPLY TEMP DC DC Ammeter 2 Ammeter 1 Sensor Decade for Test rer Decade Resistance Figure 1 Testing Circuit and Test Equipment QIS 12D06D05 01E IM 12D06D05 01E NOILOAdSNI m Ji 46 Sn d R th R TEST CERTIFICATE MR ERE RE XE de o PRODUCT NAME 4 WIRE INDUCTIVE CONDUCTIVITY CONVERTER T MODEL F ACNo ORDER NO 5 8 APPEARANCE DT FAL INSULATION RESISTANCE fy r DIELECTRIC STRENGTH PA DS SENSOR INPUT INDICATION im E AR TEMPERATURE INDICATION HER CURRENT OUTPUT Ht DATE REA INSPECTOR ISC450G HEBE SERIAL NO RAMA INSPECTION ITEM f R RESULT ER m
20. product and the system containing the product How to dispose the batteries This is an explanation about the new EU Bat tery Directive DIRECTIVE 2006 66 EC This directive is only valid in the EU Batteries are included in this product Batteries incorporated into this product cannot be removed by your self Dispose them together with this product When you dispose this product in the EU contact your local Yokogawa Europe B V office Do not dispose them as domestic household waste Battery type silver oxide battery Notice The symbol see above means they shall be sorted out and collected as ordained in ANNEX Il in DIRECTIVE 2006 66 EC The following safety symbols are used on the product as well as in this manual A DANGER This symbol indicates that an operator must follow the instructions laid out in this manual in order to avoid the risks for the human body of injury electric shock or fatalities The manual describes what spe cial care the operator must take to avoid such risks N WARNING This symbol indicates that the operator must refer to the instructions in this manual in order to prevent the instrument hard ware or software from being damaged or a system failure from occurring AN CAUTION This symbol gives information essential for understanding the operations and func tions Note This symbol indicates information that complements the present topic D This symbol indicates Prot
21. temperature range A coefficient a is introduced to express the amount of temperature influence in change in conductivity C In almost all applications this temperature influence must be compensated before the conductivity reading can be interpreted as an accurate measure of concentration or purity NaCl or standard temperature compensation From the factory the EXAxt is set with the default of a general temperature compensation func tion based on a Sodium Chloride table salt solution This is suitable for many applications and is compatible with the NaCl compensation functions of typical laboratory or portable instruments ISC temperature compensation Table 11 1 NaCI compensation according to IEC 60746 3 with Tref 2 25 C Kt ja Configure calculated temperature coefficient TC Follow routing Commissioning gt gt Measurement setup gt gt Temp compensation gt gt T C Enter the temperature coefficient calculated from the following formula A Calculation of temperature coefficient factor With known conductivity at reference temperature K i Ker ae 100 T ER Ker a Temperature compensation factor in C T Measured temperature in C Ki Conductivity at T Tias Reference temperature Kief Conductivity at Tef IM 12D06D05 01E 49 B Calculation of temperature coefficient factor with two known conductivity values at different temperatures Measure the conductivity of the liquid at two tem
22. the cell constant expressed in of nominal value During calibration this value is used to check if the calibrated cell constant remains within reasonable limits c c low limit Low limit of the cell constant expressed in of nominal value During calibration this value is used to check if the calibrated cell constant remains within reasonable limits Stabilization time During calibration the stability of the measure ment is constantly monitored When the value is within a bandwidth of 196 over a period of the stabilization time the calibration is considered stable and the calibration may be completed Calibration Interval A user defined interval in which a new calibra tion should take place If the interval is ex ceeded the instrument will give a warning or a fail user definable in error configuration 2 3 IM 12D06D05 01E 5 5 Concentration Concentration has a direct relation with the conductivity value at reference temperature This relation is built in every matrix which are used for temperature compensation These can be found in Commissioning Meas urement setup gt gt Temp compensation gt gt Method By selecting one of the matrices for tem perature compensation directly gives the concentration value on the main display If another temperature compensation method is chosen NaCl or T C the relation between the conductivity at reference temperature and the concentration is obtained from the Concentr
23. the error is eliminated Small values of integral term I time in seconds provide quick compensation but increase overshoot Usually the integral term is set to a maximum value that provides a compromise between the three sys tem characteristics of overshoot settling time and the time necessary to cancel the effects of static loading process changes The integral term is provided with an anti windup function When the output of PI portion of the controller is outside the control range less than 5 or greater than 105 the I part is frozen Process Controller Figure 5 1 Control Diagram Derivative control The control acts on the slope rate of change of the process value thereby minimizing overshoot It provides rate feedback resulting in more damping High derivative gains can increase the rizing time and settling time It is difficult to realize in practice because differen tiation leads to noisy signals Output gt Simulate gt Off Output setup m T Output gt mA2 Output gt Alarm gt Alarm gt Off Fail Configure Hold mA1 output Linear mA1 Linear mA1 Linear mA2 Linear mA2 P control mA1 P control mA1 P control mA1 P control mA2 P control mA2 P control mA2 mA1 simulate Hold Hold mA1 control Process parameter CONDUCT Setup P control gt Burn Off Expiry time 0 0 s 0 s disabled mA1 output Process parameter Linear mA
24. 1 simulate Simulation perc Parameter Damping time 0 Value 10096 Value 096 Value 100 Value Setpoint Range Manual Reset Setpoint Range Manual Reset Simulation perc Fixed value mA1 Fixed value mA2 Default values 0 0 sec 0 000 S cm 1 000 S cm 0 0 C F 100 0 C F 500 0 mS cm 100 0 mS cm 0 000 96 25 0 C 9F 10 0 C F 0 000 50 12 00 mA 12 00 mA CONCENT1 TEMPERATURE CONCENT2 P control P control m i Pl control gt PID control gt 500 0 pS cm 100 0 uS cm proportional band Direction Reverse oe M Reset 0 000 Hi h anua ese E o 9 in of the range CONCENT1 TEMPERATURE CONCENT2 Linear gt Table Off Low Linear m i 0 000 S cm 1 000 S cm 0 value 100 value Table mA1 Clear table No action Check values No action CFEnter values 3600 sec inf inf inf inf inf inf 100 inf inf 100 100 21 mA 21 mA IM 12D06D05 01E 25 ONINOISSIININOO I4NLINYLS NNAW H 26 Expire time If the output is over 100 for longer than the expire time the output will return to 0 Damping time The response to a step input change reaches approximately 90 percent of its final value within the damping time set process point value 1 1 Reverse 1 set process gt point value Figure 5 2 Direct Reverse action 5 7 Contact output set
25. 373 29 0 7182 mS cm 745 263 1 4083 mS cm 7419 13 12 852 mS cm IM 12D06D05 01E If it is more convenient the user may make solutions from Sodium Chloride NaCl or com mon table salt with the help of the following Table 11 3 NaCl values at 25 C Weight Conductivity 0 001 21 4 uS cm 0 003 64 0 uS cm 0 005 106 uS cm 0 01 210 uS cm 0 03 617 uS cm 1 03 mS cm 0 05 0 1 1000 1 99 mS cm 0 3 3000 5 69 mS cm 0 5 5000 9 48 mS cm 10000 17 6 mS cm 30000 48 6 mS cm 50000 81 0 mS cm 100000 140 mS cm APPENDIX 4 Measurement principle Contrary to contact electrode conductivity the EXA ISC Series analyses the conductivity without any contact between electrodes and process fluid The measurement is based on in ductive coupling of 2 ring transformers Toroids by the liquid Receive coil The converter supplies a reference voltage at a high frequency to the drive coil The core of this coil is of a high permeability magnetic ma terial and a strong magnetic field is generated in the toroid The liquid passes through the hole in the toroid and can be considered as a one turn second ary winding 53 relationship table This table is derived from the IEC norm 60746 3 The magnetic field will induce a voltage in this secondary winding The induced current in the liquid winding is proportion
26. 4 cas IM 12D06D05 01E Customer Maintenance Parts List Item la 1b 2 uo Ba 5D 56 6a 6b 7 8 9 10 11 12 Part No K9676GA K9676HA K9678EB K9676MA K9676MX K9676MW K9676MY A1108EF A1111EF K9676BE K9676BU K9676DL K9676BT K9676CM K9171SU K9316AF K9676BC E wesch a et e I lI lI lI I 1 1 1 Model ISC450G Style S2 Inductive Conductivity Converter Description Power board assembly AC version Power board assembly DC version Main board assembly ISC version LCD module Cable assembly 3 core Cable assembly 10 core Cable assembly shield Fuse AC version 1 pcs Fuse DC version 1 pcs Cover assembly without screws and hingepins Cable glands assembly 6 pcs M20 Stainless tagplate blank Screw assembly to fix cover M4 screws washer O ring hingepins Housing assembly polyurethan baked finish Adapter assembly for conduit work For G1 2 screw when AFTG specified For 1 2NPT screw when ANSI specified For M20 screw when AM20 specified Do not exchange these parts Call service personnel Copyright 2007 4th Edition Oct 2011 YK YOKOGAWA Subject to change without notice CMPL 12D06D05 02E Yokogawa Electric Corporation
27. A10 and extension cable used These items are manufactured to a very WF10 high standard and are necessary to ensure that Where a convenient installation is not possible the specifications of the system can be met using the standard cables between sensors and The total cable length should not exceed 60 converter a junction box and extension cable metres e g 5 m fixed cable and 55 m exten may be used The Yokogawa BA10 junction box sion cable IM 12D06D05 01E ONIYIM ANY NOILVTIVLSNI H 5 Core Screen White Co axial cable Overall Screen Co axial cable white EXA TRANSMITTER I CONVERTER 14 overall screen 13 core Co axial cable 17 screen brown Figure 3 10 Connection of WF10 extension cable and BA10 junction box Extension cable may be purchased in bulk quantities or in pre finished lengths In the case of bulk quantities cut to length then it is neces sary to terminate the cable as shown below Termination procedure for WF 10 cable 1 Slide 3 cm of heat shrink tube 9 x 1 5 over the cable end to be terminated 2 Strip 9 cm of the outer black insulating material taking care not to cut or damage internal cores 3 Remove loose copper screening and cut off the cotton packing threads as short as possible IM 12D06D05 01E 4 Strip insulation from the last 3 cm of the brown and the white coaxial cores Extract the coaxial cores from the braid and trim off the black low noise
28. Conductivity Converter Quality Inspection Standards Scope This inspection standard applies to the ISC450G Inductive Conductivity Converter Inspection Items 2 1 Insulation resistance test 2 2 Dielectric strength test 2 3 Sensor signal input test 2 4 Temperature indication check 2 5 Current output test Note Items marked with an asterisk may only be confirmed by a test certificate Inspection Methods Standards and Conditions e Connect the testing circuit as shown in Figure 1 Allow the instrument to warm up for at least 5 minutes before conducting the tests For the connections for the insulation resistance and dielectric strength tests follow the instructions in Sections 3 1 and 3 2 Insulation Resistance Test Apply 500 V DC between the terminals shown below The insulation resistance must be 100 MQ or greater 1 Between the power supply terminals shorted together 1 and 2 and the protective earth terminal O 2 Between the contact output terminals shorted together 31 32 33 41 42 43 51 52 53 71 72 and 73 and the protective earth terminal O 3 Between the current output terminals shorted 61 62 65 and 66 and the protective earth terminal D Dielectric Strength Test 1 Apply 1400 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the power supply terminals shorted together 1 and 2 and the protective earth terminal D for at least 2 second
29. D display comes on After a brief interval the display will change to the measured value If errors are displayed or a valid measured value is not shown consult the troubleshooting section Chapter 8 before calling Yokogawa M4 screw Figure 3 8 a External grounding 3 4 Wiring the contact signals 3 4 1 General precautions The contact output signals consist of volt age free relay contacts for switching electrical appliances SPDT They can also be used as digital outputs to signal processing equipment such as a controller or PLC It is possible to use multi core cables for the contact in and output signals and shielded multi core cable for the analog signals 3 4 2 Contact outputs The EXAxt 450 unit s four contacts switches that can be wired and configured to suit user requirements Contact S4 is programmed as a fail safe contact Please refer to section 5 7 Contact output setup for functionality descrip tion Alarm limits monitoring Contacts configured as ALARM can be ener gized when limits are crossed Fail Contacts configured as FAIL will be energized when a fail situation occurs Some fail situa tions are automatically signaled by the internal diagnostics electronics of the converter Others can be configured by the user see section 5 11 Error Configuration By pressing the INFO button on the main screen the user is given an explanation as well as a remedy for the current fail si
30. E AA NEBAR EEEE EE 18 4 5 Setup Calibration amp Commssioning eee a naen aana anae nean 18 4 6 Secondary primary value display switch isenana eaaa anaman nana a nean a nenen nane 18 4 7 Navigation of the menu structure aaa eaaa aaa anana nean anana nane 19 5 MENU STRUCTURE COMMISSIONING ccccsssseeecsneeescenseeesceneessconseesseeneeeses 20 Sl CONGUE A e AP A 20 5 2 Temperature Sei iaa aaa 20 5 3 Temperature compensation cccoccconcccccnccncncncnnonnnnonnnonnnnnnnoonnnnonnnonnnonnnnnnnnonenenanos 20 9 4 Calibration d e 22 5 9 Concentration urraca dotada cid 22 2 0 MA QUPD SCUD EE 24 MD 00 0 EE EN Gaga BAEN GENEA EA gan EA Aga a e aa an 26 SEMI PAN ANE E AN T w 26 FER A E EE A EE E A A S E E AA A AA E A E 28 air MEETS 28 5 11 Emor SONG Orea doc 30 5 12 Logbook configuration EE 30 3 195 Advanced SE A 32 AA mA 34 IM 12D06D05 01E 6 CALIBRATION auvnnennunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnunnnunnunnnunnnunnnunnunnnunnnunnnnnnunn 36 6 1 Before Alb salon EE 36 6 2 Cell constant manual 38 6 3 Gell constant automatic dis 38 6 4 Air Zero calibration EE EE a DANA BENE EA Aak aa aan d pangan n 38 6 5 Sample calibration EE 38 6 6 Temperature coefficient calibration rrarrrrnnrrnrnnnrrrnnnrnnnnrnrnnnrnrnnnennnnrnnnnnennnnne 38 6 7 Temperature calibration occoocccconccconcconnconnncocnnonnncnn
31. IVE EARTH TERMINAL 1390V AC 2sec Sr 500V AC 2Pb i BETWEEN CURRENT OUTPUT TERMINALS 62 AND PROTECTIVE EARTH TERMINAL RR INDICATION Q RESISTANCE Hi HAZ FRE REFERENCE ACCURACY 500V AC 2sec LI Re RANGE ah fori RANGE 150 15 00 RANGE 150 15 00 sd RANGES 15k 70 J Lys in Xm INDICATION Q RESISTANCE 248 HAZ FRE RE REFERENCE ACTUAL ERROR RANGE Q ACCURACY RENGE4 ook O o RANGES 15k 15k 0 RANGES 150k Bk zx RESISTANCE x FT ANE EE ACTUAL PT1000 KE Q REFERENCE ACCURACY ERROR 909 20 10973 2 08 14982 Ono 2038 J O FA 0 02mA DC ACCURACY 0 02mA DC R 44311 OUTPUT1 mA DO 44732 OUTPUT2 mA DC INDICATION REFERENCE ACTUAL REFERENCE ACTUAL ERROR 4 4 E 7 4 in JE HE INDICATION C ERROR SARA SS AMBIENT TEMP amp HUM ABA APPROVED BY QIC 12D06D05 01 Edi Jul 2007 10 SPARE PARTS See Customer Maintenance Parts List 47 IM 12D06D05 01E SIYVd x 48 APPENDICES APPENDIX 1 Temperature compensation The conductivity of a solution is very dependent on temperature Typically for every 1 C change in temperature the solution conductivity will change by approximately 2 The effect of temperature varies from one solution to another and is determined by several factors like solution composi tion concentration and
32. Legale international recommendation nr 56 standard solutions reproducing the conductivities of electrolytes 1981 Software record of important events and diagnostic data readily available in the display or through HARTO Graphical Quarter VGA 320 x 240 pixels LCD with LED backlight and touchscreen Plain language messages in English German French Spanish Italian Swedish Portuguese and Japanese 290 x 300 x 290 mm L x W x D 11 5x 11 8 x 11 5 inch Approx 2 5 kg 5 5 Ibs Approx 1 5 kg Cast aluminum housing with chemically resistant coating Polycarbonate cover with Polycarbonate flexible window Protection IP66 NEMA 4X CSA Type 3S Silver grey IP66 cable glands are supplied with the unit NEMA 4X close up plugs are mounted in the unused cable entry holes and can be replaced by conduit fittings as required Pipe Panel or Wall mounting using optional hardware Optional conduit adapter Power supply ISC450G A ISC450G D G1 2 1 2NPT or M20 female Ratings 100 240 V AC Acceptable range 90 to 264 V AC Ratings 50 60 Hz Acceptable range 50 Hz 5 60 Hz 15 Power Consumption 15 VA Ratings 12 24 V DC Acceptable range 10 8 to 26 4 V DC Power Consumption 10 W IM 12D06D05 01E SNOILWOIIOIAS TWYANAD H 4 N Safety and EMC conforming standards C N200 Safety EN 61010 1 CSA C22 2 No 61010 1 UL 61010 1 FM3611 Class I Div 2 Group ABCD T6 for Ta 20 to 55 C EMC EN 61326
33. NO NC C S1 S2 62 61 mA2 mA1 HART mA OUTPUTS REFER TO INSTRUCTION MANUAL FOR CONNECTIONS CONTACT Figure 3 7 Input and output connections 3 3 5 Grounding the housing For the safety of the user and to protect the instrument against interference the housing must always be connected to ground This has to be done by a large area conductor This cable can be fixed to the rear of the housing or by using the internal ground connections using a braided wire cable See figure 3 8 N DANGER The minimum cross sectional area of the pro tective grounding wire should be 0 75 mm2 IM 12D06D05 01E 3 3 3 AC power Connect terminal L to the phase line of the AC power and terminal N to the zero line See figure 3 8 for the power ground 3 3 4 DC power Connect terminal 1 to the positive outlet and terminal 2 to the negative outlet The size of conductors should be at least 1 25 mm The overall cable diameter should be between 7 amp 12 mm Rm ONE N L POWER POWER 12 24 V NOW FUSE 2A 250 VAC T 100 240 VAC 15 VA 50 60Hz FUSE 500 mA 250 VAC T DC AC 250V 5A AOVISA 52 51 53 72 71 73 NO 100VA 50W NC C NO NO C NC CONTACTS S3 SA fail safe 13 17 14 16 15 RECEIVE SHLD DRIVE COILS SENSOR S 3 3 6 Switching on the instrument After all connections are made and checked the power can be switched on from the power supply Make sure the LC
34. Warn Temperature too low Calibr time exceeded Off Errors 3 3 Configuration error 1st comp matrix 2nd comp matrix Concentration table Fail Configure logbook FSensor logbook Settings logbook mA Settings logbook contact a Erase logbook Calibration o Erase No e Warn if logbook full No Menu Parameter Errors High limit Errors Low limit Default values 1 0008 5 00008 Press re and use the selector off on mA settings Press ee and use the selector off on Press E mera and use the selector off on 31 Error on v Error off Temperature coeff Air adjust limit Adj c c low limit Adj c c high limit Reference temp y Stabilization time mA setup Hold fixed value Manual reset I time D time Linear output Damping time Expiry time Contact setup Ei lime Dime Alarm delay time Expiry time IM 12D06D05 01E ONINOISSIININOO AYNLONALS NNAW H 32 5 13 Advanced setup Defaults The functionality of the EXAxt allows to save and load defaults to come to a known instru ment setting The EXAxt has both factory and user defined defaults After a load default the instrument will reset The following parameters are not included in the defaults X axis timing Auto return 10 min disabled Tag Passwords Date and time Language The contents of all logboo
35. a tion table Additional table This 21x2 user defined concentration table is used to come to more accurate concentration values compared to the temperature compen sation matrix Enabling this additional table overrules the concentration values obtained from the matrix if used Unit for table The way the concentration values are pre sented to the user Changing the unit will not result in a re calculation of the table oc o gt Ce Configure sensor Temperature settings Temp Compensation Calibration settings Concentration Ta x Calibration Concentr Table Measurement setup Measure Conductivity only Calibration Limits Air adjust c c high 120 0 low 80 00 Timing Stabilization time 5 s Calibr interval 250 days or Concentration only Concentration Additional table Unit for table Define table Refer to section 5 of the IM how to set up Concentration measurement Concentr table 1 3 Sicm Sicm Siem Sicm mandatory Parameter Air adjust c c high c c low Stabilization time Calib interval Table Concentr table 2 3 Sicm Sicm Sicm Siem Siem Sicm Siem 96 none mandatory Default values 100 00 uS 12096 8096 bs 250 days See appendix Concentr table Clear table No action Check values No action CF Enter values
36. al indoor environment AN CAUTION This instrument is a Class A product and it is designed for use in the industrial environment Please use this instrument in the industrial environment only O Environment and operational conditions Ambient temperature 20 to 55 C 5 130 F Storage temperature 30 to 70 C 20 160 F Humidity 10 to 90 at 40 C 100 F RH non condensing Data protection EEPROM for configuration data and logbook Lithium cell for clock Watchdog timer Checks microprocessor Power down Reset to measurement Automatic safeguard Auto return to measuring mode when touchscreen is untouched for 10 min Model and Suffix Codes Style S2 ISC450G eer Inductive conductivity Converter Power AC version 100 240 VAC DC version 12 24 VDC Type A General purpose version U FM version Mounting Hardware UM Universal mounting kit panel pipe wall Pipe and wall mounting hardware 2 Panel mounting hardware 2 Hood Awning hood stainless steel 2 Conduit adapter G1 2 2 1 2NPT 2 M20 2 Tag Plate SCT Stainless steel tag plate 1 1 If the tag number is predefined with the purchase Yokogawa will inscript the tag plate with the specified tag number and program the tag number in the converter 2 Option codes U PM H5 AFTG ANSI and AM20 are not specified for FM version U IM 12D06D05 01E 3 INSTALLATION AND WIRING 3 1 Installation and dimens
37. al precautions The sensor cable transmits low voltage high frequency signals and should be installed separately from any high voltage high current and or power switching cables This is to avoid any unintentional cross talk or other kind of interference of the conductivity measurement 3 6 2 Connecting the sensor cable to the converter 1 To access terminals remove the front cov er of the EXAxt ISC450G by releasing the 4 captive screws 2 Loosen the cable gland and pull the cable in the connection compartment 3 The sensor leads are numbered and the leads must be connected to the terminals with the corresponding number refer to Fig 3 4 the temperature compensator with 11 12 the drive coil with 15 16 the receive coil with 13 17 Terminal 14 is for connection of the shield 4 Screw the cable gland tight to ensure IP66 NEMA 4X environmental protection An optional protection hose flexible conduit is available for additional mechanical pro tection of the sensor cable FLANGE ADAPTER 3 6 3 Installation of the sensor The Model ISC40 is a doughnut shaped sen sor Preferably the process will flow through the hole of the donut with the temperature com pensator up stream For minimal obstruction of the flow and for accurate measurement without the need for calibration of the cell constant the process will flow freely around the doughnut allowing a minimum distance of 25 mm 1 between doughnut and process
38. al to this voltage and the conductance of the liquid one turn winding is according to Ohm s law The conductance 1 R is proportional to the specific conductivity and a constant factor that is determined by the geometry of the sensor length divided by surface area of the hole in the toroid and the installation of the sensor There are 2 toroids mounted in the doughnut shaped sensor The liquid also flows through the second toroid and therefore the liquid turn can be considered as a primary winding of the second ring transformer The current in the liquid will create a magnetic field in the second toroid The induced voltage being the result of this magnetic field can be measured as an output The output voltage of this receive coil is there fore proportional to the specific conductivity of the process liquid IM 12D06D05 01E soos 54 APPENDIX 5 HART HHT 275 375 Menu structure Online menu Level 1 menu Level 2 menu Level 3 menu Level 4 menu Process Primary value SC Conc values Secondary value Temp Tertiary value SC Cond Zoom Zoom sensor Fact CC Adj CC Method SC1 Method SC2 Ohms Zoom outputs mA1 value mA2 value S1 perc S2 perc S3 perc 94 perc Zoom device Serial number Note Software Revision Device Revision DD Revision Logbook Sensor data Calibration Sensor Output data Settings mA1 mA2 S1 S2 S3 S4 Note A part of the HART device ID descriptor
39. all Yokogawa sensor systems and a wide range of third party commercially available probes For best results read this manual in conjunc tion with the corresponding sensor instruction manual Yokogawa designed the EXAxt converter to withstand industrial environments It meets all the CE regulatory standards The unit meets or exceeds stringent requirements see section 2 without compromise to assure the user of continued accurate performance in even the most demanding industrial installations IM 12D06D05 01E NOILdIY49S30 1IVH3N39 ANY NOILONGOUYLNI 2 2 GENERAL SPECIFICATIONS OF EXAxt ISC450G A Input specifications Compatible with the Yokogawa inductive conductivity ISC40 series with B C bd D E Input range Conductivity Minimum Maximum Temperature Cable length integrated temperature sensor NTC30k or Pt1000 0 to 1999 mS cm at 25 C 77 F reference temperature 1 uS cm at process temperature 2 S cm at process temperature 20 to 140 C 0 to 280 F max 60 metres 200 feet 10 metres 35 feet fixed sensor cable 50 metres 165 feet WF10 extension cable Influence of cable can be adjusted by doing an AIR CAL with the cable connected to a dry cell Accuracy under reference conditions Conductivity Temperature Temp compensation 4 seconds for 90 for a 2 decade step Step response lt 0 5 of reading 1 0 uS cm lt 0 32C 0 6 lt 1 f
40. ant coating Polycarbonate cover with Polycarbonate flexible window Protection IP66 NEMA 4X CSA Type 3S Silver grey IP66 cable glands are supplied with the unit NEMA 4X close up plugs are mounted in the unused cable entry holes and can be replaced by conduit fittings as required Pipe Panel or Wall mounting using optional hardware Optional conduit adapter Power supply ISC450G A ISC450G D G1 2 1 2NPT or M20 female Ratings 100 240 V AC Acceptable range 90 to 264 V AC Ratings 50 60 Hz Acceptable range 50 Hz 15 60 Hz 5 Power Consumption 15 VA Ratings 12 24 V DC Acceptable range 10 8 to 26 4 V DC Power Consumption 10 W IM 12D06D05 01E SNOI LVOIJIO3dS TWYANAD H 4 N Safety and EMC conforming standards C N200 Safety EN 61010 1 CSA C22 2 No 61010 1 UL 61010 1 FM3611 Class I Div 2 Group ABCD T6 for Ta 20 to 55 C EMC EN 61326 1 Class A Table 2 For use in industrial locations EN 61326 2 3 EN 61000 3 2 Class A EN 61000 3 3 Korea Electromagnetic Conformity Standard Installation altitude 2000 m or less Category based on IEC 61010 II Note Pollution degree based on IEC 61010 2 Note Note Installation category called over voltage category specifies impulse withstand voltage Category ll is for electrical equipment Pollution degree indicates the degree of existence of solid liquid gas or other inclusions which may reduce dielectric strength Degree 2 is the norm
41. be handled as described in the maintenance section it does not make sense to regularly recalibrate the ISC450G A calibration check however is another matter When the objective is clearly defined as a diagnos tic exercise a regular check can bring an extra level of security and confidence to the measure ment Sensor damage and or coatings can be difficult to see and the calibration check can confirm their presence by a deviation from the known solution conductivity The remedial action should be to clean the sensor and carefully check for blockage or damage not simply to recalibrate Higher conductivity solutions should be used where possible The lower the conductivity of the test solution the easier it is to contaminate Carbon dioxide from the air can be quickly absorbed to cause an error All containers must be suitably clean and all materials suitably pure Outside of a well equipped laboratory these conditions are hard to meet EXAxt ISC450G is programmed with the following table of conductivity of Potassium Chloride KCI solutions at 25 C This is used in the Automatic Cell Constant setting calibration feature See chapter 6 on calibration The table is derived from the Standards laid down in International Recommendation No 56 of the Organisation Internationale de M trologie Legale Table 11 2 KCI values at 25 C mol l mg of KCI kg of solution Conductivit 0 001 74 66 0 1469 mS cm 0 002 149 32 0 2916 mS cm 0 005
42. both specified wall mounting pipe mounting pipe mounting vertical horizontal SN 2 Figure 3 3 Option U wall and pipe mounting diagram IM 12D06D05 01E 20 5 MENU STRUCTURE COMMISSIONING 5 1 Configure sensor Measuring unit cm m Either cm or m can be chosen here The Proc ess values will be expressed in S cm or S m respectively Note When measuring unit is changed parameter of mA output setup and contact output setup will be cleared Set these parameter again refering to subsection 5 6 to 5 7 Cell constant factory Cell constant given by factory calibration Usually given on a label on the sensor or the calibration certificate Measure Process values to be measured can be se lected to suit the user s preference Conduc tivity only Concentration only or one of both Conductivity and Concentration 5 2 Temperature setting Temperature Element Selection of the temperature sensor used for compensation The default selection is the Pt1000 Ohm sensor which gives excellent pre cision with the two wire connections used The other options give the flexibility to use a very wide range of other conductivity sensors Temperature Unit Celcius or Fahrenheit temperature scales can be selected to suit the user s preference AN Note IM 12D06D05 01E 5 3 Temperature compensation Compensation Two types of methods can be used here Au tomatic for use of temperature eleme
43. bration is the normal process value Tp This calibration is enabled if the Temperature Compensation is set to TC Press the key and choose Execute Cali bration Press Temperature coefficient to execute this calibration 6 7 Temperature calibration In order to make the most accurate measure ments it is important to have a precise temper ature measurement This affects the display of temperature and the output signal when used More important however is the temperature compensation and calibration accuracy The temperature of the sensor system should be measured independently with a high preci sion thermometer The display should then be adjusted to agree with the reading zero offset calibration only For best accuracy this should be done as near to the normal operating tem perature as possible Press the key and choose Execute Cali bration Press Temperature calibration to execute it 6 8 Operation of hold function during cali bration EXAxt ISC450G has a HOLD function that will suspend the operation of the control alarm re lays and mA outputs During calibration the user may choose to enable HOLD so that the output signals are frozen to a last or fixed value Some users will choose to leave the outputs live to record the calibration event This has implications for pharmaceutical manufacture for example where an independent record of calibrations is mandatory Press to selec
44. code AFTG ANSI AM20 20 0 79 For output signal Adapter m For contact input 49 Approx ik For sensor cable 1 93 55 2 2 i For contact output 81 and S2 S For contact output S3 and S4 For power supply G1 2 screw AFTG _ 1 2 NPT screw ANSI Grounding terminal M4 screw M20 screw AM20 Figure 3 1 Housing dimensions and layout of glands IM 12D06D05 01E ONIJIM ANY NOILVTIVLSNI H Unit mm inch min 185 7 25 gt ml min 195 7 75 Ml 138 5 43 Figure 3 2 Option PM panel mounting diagram Note When option code UM is specified universal pipe wall pannel mounting kit are supplied same as option code U and PM both specified wall mounting pipe mounting pipe mounting vertical horizontal SN 2 ND pipe Figure 3 3 Option U wall and pipe mounting diagram IM 12D06D05 01E A WARNING This connector for software must be used only by Yokogawa s service personnel potentio merter LCD bracket Note ISC450G A D U 6 X M20 glands X input terminal block output terminal z block E gt 4 protective 9 shield gt bracket I Z 0 gt mi The enclosure is provided with stoppers in stead of M20 cable glands for the unused holes These stoppers must be removed and replaced by FM approved conduit fittings in accord ance with good installatio
45. d Default values 900 0 mS cm high 9 000 mS cm 0 2 sec 0 0 sec 100 0 mS cm low 1 000 mS cm 0 2 sec 0 0 sec 0 0 sec 500 0 mS cm 100 0 mS cm 0 000 3600 sec 0 0 sec inf 0 0 uS cm 0 0 sec 0 0 sec inf inf 0 0 uS cm 0 0 sec 0 0 sec inf 0 0 sec inf inf 0 1 0 sec 0 0 sec inf inf 1800 sec inf inf 1800 sec 1800 sec inf inf 100 3600 sec 60 sec IM 12D06D05 01E ONINOISSIININOO I4NLINYLS NNAW H 28 5 8 Fail A fail contact is energized when a fail situation occurs Fail situations are configured in secton 5 11 For SOFT Fails the contact and the dis play on LCD are pulsating For HARD Fails the contact and the display on LCD are energized continuously Hard fail only The contact reacts to Hard Fails Only Hard soft fail The contact reacts to Hard and Soft Fails Only contact S4 is programmed as a fail safe contact This means that contact S4 wil be de energized when a fail situation occurs 5 9 Simulate The contact can be switched on off or a percentage of output can be simulated On Off enables the user to manually switch a contact on or off The percentage is an analogue value and represents the on time per period The Duty cyde Period time see figure 5 4 is used as a period for percentage simulation Note that the simulated settings of the con tacts become visible in measuring mode and
46. d p45 some error corrected p49 some error corrected p50 some error corrected p54 Note of HART protocol DD files URL added Customer Maintenance Parts List CMPL 12D06D05 02E revised to 2nd edition because Part No for option codes U PM H5 AFTG ANSI AM20 added Ath Mar 2012 Revisions PREFACE Addition of How to dispose the batteries p4 Some revision of N Safety and EMC conforming standards description for EMC revised p9 Caution mark position on Section 3 3 1 changed p16 HART communication mark added to Figure 4 1 p38 to 39 Section 6 2 to 6 8 added for calibration procedure p40 to 41 Section 7 4 Contrast adjustment changed to LCD adjustment some caution added Customer Maintenance Parts List CMPL 12D06D05 02E revised to 4th Edition some of illustration changed User s Model ISC450G Style S2 Supplement Manual Inductive Conductivity Converter ERR Thank you for selecting Model ISC450G Style S2 Inductive Conductivity Converter The user s manual IM 12D06D05 01E 4th Edition supplied with the product has been amended as follows Please replace the corresponding pages in your copy with the attached revised pages Revisions Page 3 Some spell revision of standard specification Page 4 Some spell error corrections and addtion of specification description Page 5 to 6 Some revision of Figure 3 1 and Figure 3 3 addtion of M6 screw position for wall mounting Page 20 Some ca
47. de in Key Select the HIF in Execute Wind ten turns of wire onto sensor for test When the resistance of the decade resistance box 2 to the corresponding value RANGE 1 to RANGE3 in Table 1 is set check the data display and the value must be within the range shown in Table 1 Table 1 Resistance C of Decade Resistance Box 2 Data Display Q RANGE 1 1 5 0 01 RANGE2 15 01 RANGE3 15k 150 1 After the above test is completed wind one turn of wire onto sensor for test When the resistance of the decade resistance box 2 to the corresponding value RANGE4 to RANGES in Table 2 is set check the data display and the value must be within the range shown in Table 2 Table 2 Resistance O of RANGE Decade Resistance Box 2 Data Display Q RANGE4 RANGE5 RANGE6 1 5k 150k 1 5k 0 01k 15k 0 2k 150k 12k After the above test is completed touch the Exit to return to the HIF display Temperature Indication Check Following Section 3 3 select the PT1000 in Temperature of the HIF display In this state change the resistance of the decade resistance box 1 and check the data display The value on the data display must be within the range shown in Table 3 Table 3 Temperature C 10 25 130 Resistance Q of Decade Resistance Box 1 960 9 1097 3 1498 2 Data Display C 10 0 3 25 0 3 130 0 3 After the above test
48. e back Access is possible to the cable glands e Wall mounting on a bracket for example on see figure 3 1 a solid wall The converter is not mounted in direct Pipe mounting using a bracket on a sunlight or severe weather conditions horizontal or vertical pipe e Maintenance procedures are possible Size nominal 50A avoiding corrosive environments Unit mm inch Hood Option code H5 some cutout on the left side cover 144 5 67 24 5 1 N M20 cable gland When shipped not installed _ Adapter for Conduit Work optional option code AFTG ANSI AM20 20 py 079 y L T L4 LK Ee EL A B A A For output signal Adapter e O B For contact input 49 Approx R O O C For sensor cable 1 93 55 2 2 NU p A D For contact output S1 and S2 2 AN fen E OI OD O E For contact output S3 and S4 LAT Ik amp AS AQ XK D E F For power supply E o TS G1 2 screw AFTG 1 2 NPT screw ANSI Grounding terminal M4 screw M20 screw AM20 Figure 3 1 Housing dimensions and layout of glands IM 12D06D05 01E ONIJIM ANY NOILVTIVLSNI H Unit mm inch min 185 7 25 Li Ml 138 5 43 Figure 3 2 Option PM panel mounting diagram Note When option code UM is specified universal pipe wall panel mounting kit are supplied same as option code U and PM
49. e contents of this manual are subject to change without prior notice The contents of this manual shall not be reproduced or copied in part or in whole without permission e This manual explains the functions contained in this product but does not warrant that they are suitable the particular purpose of the user e Every effort has been made to ensure accuracy in the preparation of this manual However when you realize mistaken expressions or omissions please contact the nearest Yokogawa Electric representative or sales office This manual does not cover the special specifications This manual may be left unchanged on any change of specification construction or parts when the change does not affect the functions or performance of the product e If the product is not used in a manner specified in this manual the safety of this product may be impaired Yokogawa is not responsible for damage to the instrument poor performance of the instrument or losses resulting from such if the problems are caused by Improper operation by the user Use of the instrument in improper applications Use of the instrument in an improper environment or improper utility program Repair or modification of the related instrument by an engineer not authorized by Yokogawa Safety and Modification Precautions Follow the safety precautions in this manual when using the product to ensure protection and safety of the human body the
50. ective Ground Terminal E This symbol indicates Function Ground Terminal Do not use this terminal as the protective ground terminal RDS This symbol indicates Alternating current This symbol indicates Direct current Warranty and service Yokogawa products and parts are guaran teed free from defects in workmanship and material under normal use and service for a period of typically 12 months from the date of shipment from the manufacturer Individual sales organisations can deviate from the typical warranty period and the conditions of sale relating to the original purchase order should be consulted Dam age caused by wear and tear inadequate maintenance corrosion or by the effects of chemical processes are excluded from this warranty coverage In the event of warranty claim the defec tive goods should be sent freight paid to the service department of the relevant sales organisation for repair or replace ment at Yokogawa discretion The fol lowing information must be included in the letter accompanying the returned goods e Part number model code and serial number Original purchase order and date Length of time in service and a description of the process Description of the fault and the circumstances of failure Process environmental conditions that may be related to the failure of the device A statement whether warranty or non warranty service is requested Complete shippin
51. ed or use the default settings A CAUTION Do not turn on power with the touchcsreen pressed otherwise inaccurate screen positioning will occur If it occurs leave the touchscreen unpressed turn off power then on again The screen positioning will be accurate IM 12D06D05 01E 8 3 2 2 Cables Terminals glands and conduit adapter ISC450G A D A The ISC450 is supplied with terminals suitable for the connection of finished wires in the size range of 0 13 to 2 5 sq mm 26 to 14 AWG The cable glands supplied will form a tight seal on cables with an outside diameter of 6 to 12 mm 0 24 to 0 47 inches Unused cable entry holes must be sealed with cable glands includ ing the blind plugs supplied Contact S3 S4 output cables Contact S1 S2 output cables cables contact ISC450G A D U The ISC450 is supplied with terminals suitable for the connection of finished wires in the size range of 14 26 AWG The cable entry holes are sealed with FM certified plugs Prior to cable entry the plugs can be removed with allen key size 3 8 The cable conduit fittings can be mounted in the holes of the housing as required The cable glands supplied with the unit will give a tight seal on cables with outside diameter of 0 24 to 0 47 inches BE High voltage section Sensor Cables Power cable Input Suitable for cables with an outside diameter between 6 12 mm 0 24 0 47 Figure 3 5a Cable glands diagram G
52. ersion Power board assembly DC version Main board assembly ISC version LCD module Cable assembly 3 core Cable assembly 10 core Cable assembly shield Fuse AC version 1 pcs Fuse DC version 1 pcs Cover assembly without screws and hingepins Cable glands assembly 6 pcs M20 Stainless tagplate blank Screw assembly to fix cover M4 screws washer O ring hingepins Housing assembly polyurethan baked finish Adapter assembly for conduit work For G1 2 screw when AFTG specified For 1 2NPT screw when ANSI specified For M20 screw when AM20 specified Do not exchange these parts Call service personnel Copyright 2007 4th Edition Oct 2011 YK YOKOGAWA Subject to change without notice CMPL 12D06D05 02E Yokogawa Electric Corporation Pipe Wall Mounting Hardware Option code U Awning Hood Option code H5 CMPL 12D06D05 02bE Part No K9171SS Y9608KU D0117XL A K9171SY K9171SX K9171ST Y9520LU K9171SW Y9608KU K9676BA RANN EE E Panel Mounting Hardware Option code PM UNIVERSAL MOUNT SET Option code UM includes both U and PM V VD Description Mounting Set U Screw U Bolt Assembly Plate Bracket Mounting Set PM Screw Bracket Screw Awning hood assembly H5 Ath Edition Oct 2011 YK Revision Record Manual Title
53. figure Sensor Temp Comp Manual Comp Temp Coef Temp Coef Parameter Cell constant Reference Temp Manual Temp T C methods 1 T C methods 2 Conductivity only Conduct Concentr Concentration only Configure sensor Measuring unit Cell constant 1 880 cm factory Temperature Temp element Pt1000 Unit C Temp comp Compensation Reference temp 25 0 C Method Conductivity 1 NaCl Conductivity 2 None Default values 1 88 cnr 25 C 77 F 25 C 77 F 2 10 C 2 1099 C 0 2 cm 0 C 32 F 20 C 3 9 F 096 C 0 F 0 C 0 F Pt1000 NTC30k 21 50 0 cm 100 C 211 F 139 C 284 F 3 5 C 2 0 F 3 5 C 2 0 F IM 12D06D05 01E ONINOISSIININOO AYNLONALS NNAW H 22 5 4 Calibration settings Air adjust limit To avoid cable influences on the measurement a zero calibration with a dry sensor may be done If a connection box BA10 and extension cable WF10 are being used zero calibra tion should be done including this connection equipment As the calibration is performed in air the resistivity is infinite open connection Higher conductivity values than the air adjust limit indicate the cell is not in air or is still wet To prevent wrong air calibrations a limit must be given here Note The temperature compensation should be set to NaCl when confirming zero at air adjust c c high limit High limit of
54. g and billing instructions for return of material plus the name and phone number of a contact person who can be reached for further information Returned goods that have been in contact with process fluids must be decontami nated disinfected before shipment Goods should carry a certificate to this effect for the health and safety of our employees Material safety data sheets should also be included for all components of the proc esses to which the equipment has been exposed iii TABLE OF CONTENTS PREFACE 1 INTRODUCTION AND GENERAL DESCRIPTION eere nnne nnns 1 1 1 ata lar el ce RTT 1 2 HEEM 1 2 GENERAL SPECIFICATIONS OF EXAxt ISC450G rrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 2 3 INSTALLATION AND WIRING annnnrnnnnnornnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnennnnnnn 5 3 1 Installation and dimensions EE 9 TETEN 5 Ee Tadler 9 EE N S EEE EA E E A A EAE E EA A TEA E A AEE 7 21 PVC ali EE 7 3 2 2 Cables Terminals glands and conduit adapter 8 3 3 Wiring the POET E ee E 9 3 3 1 General precautions see nee eaaa nana aa nenen n aana a eaaa nenen a anana een ene 9 3 3 2 Access to terminal and cable ent REENEN 10 3 3 3 AC ele EE 10 A EE O aa En AKA ka Ka Tg aa alah 10 9 355 Groundiric the NOUSING vorpal pipes an tiet 10 3 3 6 Switching on the msirument aaa anan anana naa anana n nenen a aana nenen eee 10 3 4 Wiring the con
55. ions The ambient temperature and humidity of the 3 1 1 Installation site installation environment must be within the The EXAxt 450 converter is weatherproof and limits of the instrument specifications See can be installed inside or outside It should chapter 2 however be installed as close as possible to the sensor to avoid long cable runs between 3 1 2 Mounting methods sensor and converter In any case the cable Refer to figures 3 2 and 3 3 Note that the length should not exceed 60 metres 200 feet EXAxt converter has universal mounting capa Select an installation site where bilities Mechanical vibrations and shocks are negligible e Panel mounting using optional brackets Norelay power switches are in the direct e Surface mounting on a plate using bolts environment from the back Access is possible to the cable glands e Wall mounting on a bracket for example on see figure 3 1 a solid wall The converter is not mounted in direct Pipe mounting using a bracket on a sunlight or severe weather conditions horizontal or vertical pipe Maintenance procedures are possible Size nominal 50A avoiding corrosive environments Unit mm inch Hood Option code H5 some cutout on the left side cover 220 8 66 N i i 172089 Ye m 20 o 0 79 S Y Y 24 5 1 N M20 cable gland When shipped not installed Adapter for Coduit Work optional option
56. isplay inhibited A Fail signal is also transmitted on the mA outputs when enabled burn high low Commissioning gt gt output setup WARN gives a flashing WARN flag in the display The contact configured as FAIL is pulsed All the other contacts are still functional Flashing Warn flag in main display and the converter continues to work normally A good example is a time out warning that the regular maintenance is due The user is noti fied but it should not be used to shut down the whole measurement 5 12 Logbook configuration General Logbook is available to keep an electronic record of events such as error messages calibrations and programmed data changes By reference to this log users can for instance easily determine maintenance or replacement schedules In Configure Logbook the user can select each item he is interested in to be logged when the event occurs This can be done for three separate logbooks Each logbook can be erased individually or all at once Enable the Warn if Logbook full when you would like to be warned when the logbook is almost full The content of the logbook s can also be retrieved from the converter using the EXAxt Configurator software package which can be downloaded from the Yokogawa Europe website IM 12D06D05 01E Errors 1 3 Conductivity too high Warn or Concentration High limit Conductivity too low Warn or Concentration 213 Temperature too high
57. ks HART parameters address tag descriptor message OO d OO PS GOGON a Tag A tag provides a symbolic reference to the instrument and is defined to be unique throughout the control system at one plant site A tag can contain up to 12 characters If the instrument is purchased with the SCT option the TAG is pre programmed with the specified tagnumber Passwords Calibration and Commissioning may be sepa rately protected by a password By default both passwords are empty Entering an empty pass word results in disabling the password check A password can contain up to 8 characters When a password is entered for the calibration and commissioning a 4 digit operator ID can be entered One can also leave the ID empty Date time The Logbooks and trend graph use the clock calendar as reference The current date and time is set here The current time is displayed in the third zoom menu The fixed format is YYYY MM DD HH MM SS Note HART The address of the EXAxt in a HART network can be set Valid addresses are O 15 IM 12D06D05 01E Factory adjustment This menu is for service engineers only This section is protected by a password Attempting to change data in the factory adjust ment menu without the proper instructions and equipment can result in corruption of the instrument setup and will impair the perform ance of the unit Advanced setup Passwords gt Date time HART Factor
58. l in Key c Touch the Home icon to return to the initial display 45 SUPPLY DC pc Ammeter Ammeter O O Decade Resistance POWER Box 1 SUPPLY ISC40 sensor 10 turns or one turn Figure 1 Testing Circuit and Test Equipment Decade Resistance Box 2 QIS 12D06D05 01E IM 12D06D05 01E NOILOAdSNI m Ji 46 IM 12D06D05 01E AAA PRODUCT NAME T MODEL F ACNo ORDER NO tegen a UOO RE INSULATION RESISTANCE DIELECTRIC STRENGTH PA mz SENSOR INPUT INDICATION DERT TEMPERATURE INDICATION HJ ER CURRENT OUTPUT NOTES Aft DATE REA INSPECTOR YOKOGAWA 4 K d xm TEST CERTIFICATE AFR EIERE E eR ee 4 WIRE INDUCTIVE CONDUCTIVITY CONVERTER ISC450G LIE T RI SERIAL NO f 5 RESULT LEE INSPECTION ITEM HA tir 32 33 42 43 52 53 72 1338 nF amp DR ERE TRE Hh E Cd A tat 62 ER in 100M Q ELE 500V DC BETWEEN POWER SUPPLY TERMINALS 1 2 AND PROTECTIVE EARTH TERMINAL BETWEEN CONTACTS TERMINALS 32 33 42 43 52 53 72 73 AND PROTECTIVE EARTH TERMINAL BETWEEN CURRENT OUTPUT TERMINALS 62 AND PROTECTIVE EARTH TERMINAL 100M Q OR MORE 500V DC Sam HF 32 33 42 43 52 53 72 1930883 REHAB T I 1390V AC 23 i BETWEEN POWER SUPPLY TERMINALS 1 2 AND PROTECTIVE EARTH TERMINAL BETWEEN CONTACTS TERMINALS 32 33 42 43 52 53 72 73 AND PROTECT
59. land nut Figure 3 5b How to install cable glands IM 12D06D05 01E Contents 6 X Gland M20 6 X Close up plug 6 X Gland nut M20 6 X O ring 17 12 X 2 62 EPDM 70 sh NOTE The glands must be installed properly to meet IP66 and NEMA 4X rating Use close up plug for unused glands NOTE Moisturize O ring before assembling Adapter for conduit work When protect the cable with a conduit replace the M20 cable gland with a cable gland of optional conduit adapter and set the adapter shown as Figure 3 5c Approx T AN Packing 55 2 2 49 1 93 Adapter M20 screw Figure 3 5c Conduit adapter FRONT GLANDS output Contact input Figure 3 6 System configuration 3 3 Wiring the power supply 3 3 1 General precautions Make sure the power supply is switched off Also make sure that the power supply is cor rect for the specifications of the EXAxt and that the supply agrees with the voltage specified on the textplate A DANGER Install an external switch or circuit breaker to the power supply of the converter 2 Use an external switch or circuit breaker rated 5A and conforming to IEC 60947 1 or IEC 60947 3 3 Itis recommended that the external switch or circuit breaker be installed in the same room as the converter G1 2 screw AFTG 1 2 NPT screw
60. ler conductivity value is indicated the temperature coefficient already set is too large In either case change the temperature coefficient so that the conductivity no longer changes Matrix compensation The compensation matrix is a table of temperature and conductivity values at differing concentra tions These values are used to calculate the temperature compensation applicable for a particular solution Choose the component that you will be measuring in your application and where appro priate the concentration range EXAxt will do the rest By following the routing Commissioning gt gt Measurement setup gt gt Temp compensation gt gt Matrix you gain access to the Matrix selection area Matrices are available for the common mineral acids and bases In addition Ammonia and Morpho line are included In short by using the matrix method specialist compensation is available for the majority of applications in the power industry water treatment and chemical manufacturing The following matrices are available initially but as with all Yokogawa products we are continually striv ing to improve both the quality and technological content Further solutions will be added to this list IM 12D06D05 01E 51 APPENDIX 2 Temperature compensation matrix 1 A minimum number of values is required to make interpolation possible The highlighted values marked as are mandatory to enter Sol1 Solx Sol10 C10 2 Tref
61. ling Clean the sensor and try again Wait for the sensor to dry because air cal must be made with no current flow in the sensor that is the sensor must be dried while being exposed to air IM 12D06D05 01E he sensor must be installed in an environment free of electromagnetic interference and radio frequency interference Press the il key and choose Execute Cali bration Press Air calibration to execute it FUN CAUTION The temperature compensation should be set to NaCl when confirming zero during air calibra tion 6 5 Sample calibration With the sensor in situ a sample can be taken for laboratory analysis Sample calibration records the time and reading and holds these in memory until the analysis has been com pleted The laboratory data can then be entered regardless of the current process value without the need for calculations Press the il key and choose Execute Cali bration Press Sample to execute sample calibration Press Take Sample to record a collected sample value in memory Re enter the Sample Cal screen and press Start calibration to perform a sample calibration This updates the recorded data 6 6 Temperature coefficient calibration Simply input the solution conductivity at the reference temperature Tg after allowing the sensor to stabilize at elevated temperatures The ISC450G will calculate the temperature coefficient for you The ideal temperature for this cali
62. lish whether it is still functioning properly In the main display screen is a Status Informa tion button that will show For information For warning a potential problem is diag nosed and the system should be checked For FAIL when the diagnostics have confirmed a problem and the system must be checked This button gives access to a status report page where The most applicable error will be displayed No errors is displayed during proper operation RS Explanation gt gt Description or error message and possible remedies Advanced troubleshooting gt gt Error code 1 that is used in conjunction with the service manual This data will also be needed in the event that you request assistance from a Yokogawa service department What follows is a brief outline of the EXAxt troubleshooting procedures including possible causes and remedies 8 2 Calibration check The EXAxt ISC450G converter incorporates a diagnostic check of the adjusted cell constant value during calibration If the adjusted value stays within 80 120 96 of the factory value it is accepted otherwise the unit generates an er ror message and the calibration is rejected IM 12D06D05 01E 8 3 Predictive maintenance EXAxt has a unique prediction feature Calibra tion data is stored in software data logbooks This data is then used to calculate a prediction for maintenance purposes 8 4 Poor calibration technique When the
63. marks Be sure to apply correct power to the unit as detailed on the nameplate 1 2 Application The EXAxt converter is intended to be used for continuous on line measurement of Conductiv ity and or Concentration in industrial instal lations The unit combines simple operation and microprocessor based performance with advanced self diagnostics and enhanced communications capability to meet the most advanced requirements The measurement can be used as part of an automated process control system It can also be used to indicate operating limits of a process to monitor product quality or to function as a controller for a dos ing dilution system Sensors should normally be mounted close to the converter in order to ensure easy calibra tion and peak performance If the unit must be mounted remotely from the sensors WF 10 extension cable can be used up to a maximum of 50 metres 150 feet with a BA10 junction box and up 10 metres standard sensor cable The EXAxt is delivered with a general purpose default setting for programmable items see Chapter 5 While this initial configuration allows easy start up the configuration should be adjusted to suit each particular application An example of an adjustable item is the type of temperature sensor used The EXAxt can be adjusted for a number of different types of temperature sensors Details provided in this instruction manual are sufficient to operate the EXAxt with
64. n practice See APPENDIX 6 Control drawing for FM approval Figure 3 4 Internal view of EXAxt wiring compartment 3 2 Wiring 3 2 1 Preparation Refer to figure 3 4 The relay contact terminals and power supply connections are under the screening shielding plate These should be connected first Connect the sensor outputs and HART communication connections last To open the EXAxt 450 for wiring 1 Loosen the four frontplate screws and swing open the cover 2 The upper terminal strip is now visible 3 Remove the screen shield plate covering the lower terminal strip 4 Connect the power supply and contact outputs Use the three glands at the back for these cables A DANGER Cables that withstand temperatures of at least 70 C should be used for wiring Wiring work should be performed to meet IP66 or higher requirements Tighten four frontplate screws to 1 5 N m torque AN WARNING Always place the screen plate over the power supply and contact terminals for safety reasons and to avoid interference 5 Put back replace the screen shield plate over the lower terminals 6 Connect the analog output s the sensor inputs and if necessary the HART wiring and input contact 7 Use the front three glands for analog output sensor inputs contact input and HARTO wiring see figure 3 5 8 Swing back the cover and secure it with the four screws 9 Switch on the power Commission the instrument as requir
65. n the process errors caused by installation characteristics are compensated for two methods Note The standard instrument used as 1 Acalibration solution can be prepared in the laboratory A salt solution is prepared with a known precise concentration Thetemperature is stabilized to the ref igure 6 1 Sensor in calibration solution IM 12D06D05 01E reference method must be accurate Yokogawa recommends that the Model SC72 personal conductivity meter be used for this purpose X X MIN 25 mm 37 Cell constant The nominal cell constant of markers and the actual installation can change the sensor is 1 88 cm for the PEEK sensor this factor If there is less than 25 mm spacing types and 3 00 cm for the PFA sensor The between sensor and holder in situ calibration is calibrated values are indicated on the cable necessary to meet the specified accuracies O O E O c X xor O o g c H o o us Lan O O Only for PEEK non conductive piping piping D in millimeters IM 12D06D05 01E NOIL VSH8lTVO 2 38 6 2 Cell constant manual The intention of this calibration routine is to fine tune a sensor for which only the nominal cell constant is known or recalibrate a sensor that has been changed or damaged in the course of operation Choose 1st or 2nd compensation to suit the calibration solution used The solu tion should be prepared or purchased
66. nnonnnnnnnnnononnrnnnnnnnnnnnananos 39 6 8 Operation of hold function during Calbratton nasa eeee eee eaaa aane naen a nee 39 TANNER 40 7 1 Periodic maintenance rrrrnrnnnnnrnnnnnnnnnnnennevnnvnnnnnnnnnnannnevnnvnnnnennnnnnnnnnvnnnnnnnennevnannr 40 7 2 Periodic maintenance of iheesensor cece eccecceeceeeeeeeeeeseueeeeeeeeeeueeeaeeeeneaeeens 40 l 3 Cleaning Maia Le 40 F LED SS me 40 8 TROUBLESHOOTING cria 42 8 1 General EE EEE EE EEEE EEEE EEEE EE nnna enne 42 8 2 Calibration CHECK usina ei rrenen 42 8 3 Predictive maintenance censales 42 8 4 Poor calibration technique scaricare 42 8 5 Error displays and Es Surco i Ea 42 9 QUAENTYINSPECTUO Noia alan ia 43 10 SPARE PARTS Ju e uwane naen a aana anana anaa a Nn anana anae nange NEGEN N NENG NN GENENG ENENGE nnmnnn nnmnnn 47 dd AAA 48 APPENDIX 1 Temperature compensation sae eee eaaa eaaa anaa nana a anna a ane na anae 46 APPENDIX 2 Temperature compensation mat 51 APPENDIX 3 Calibration solutions for conductivity ccccooccccccocnnccccononcconononccnnnos 52 APPENDIX 4 Measurement principle sanan eaaa aana aaa naen anae nana nana e anna eee n aane eee 53 APPENDIX 5 HART HHT 275 375 Menu structure 54 APPENDIX 6 Control drawing for FM approval asane ena eaaa a anan an anana a naen e nenen 58 Customer Maintenance Parts List for Style S2 CMPL 12D06D05 02bE Revision RO e RTT Tm i IM 12D06D05 01E
67. nt Select one of the Temperature elements used The other is a manual set temperature The manual temperature that represents the process tem perature must be set here Reference Temperature Choose a temperature to which the measured conductivity value must be compensated Normally 25 C 77 C is used therefore this temperature is chosen as default value Method TC In addition to the temperature coefficient calibration routine it is possible to adjust the compensation factor directly If the compensa tion factor of the sample liquid is known from laboratory experiments or has been previously determined it can be introduced here Adjust the value between 0 00 to 3 50 96 per C In combination with reference temperature a linear compensation function is obtained suitable for all kinds of chemical solutions NaCl Temperature compensation according NaCl curve See appendix 1 for values Matrix The EXAxt is equipped with a ma trix type algorithm for accurate temperature compensation in various applications Select the range as close as possible to the actual temperature concentration range The EXAxt will compensate by interpolation If user defined 1 or user defined 2 is selected the temperature compensation range for the adjustable matrix must be defined See Appendix 2 for matrix interpolation Extra information on temperature compensation is given in appendix 1 43 9 QUALITY INSPECTION REECH ISC450G Inductive
68. ntact your nearest Yokogawa service center Fuse There is a circuit board mounted fuse protect ing the instrument If you suspect that this needs to be replaced contact your nearest Yokogawa service center 7 2 Periodic maintenance of the sensor Note Maintenance advice listed here is intentionally general in nature Sensor maintenance is highly application specific In general conductivity measurements do not need much periodic maintenance If the EXAxt indicates an error in the measurement or in the calibration some action may be needed ref chapter 8 troubleshooting IM 12D06D05 01E Never use harsh chemicals or solvents 7 3 Cleaning methods 1 For normal applications hot water with domestic washing up liquid added will be effective 2 For lime hydroxides etc a 5 10 solution of hydrochloric acid is recommended 3 Organic contaminants oils fats etc can be easily removed with acetone 4 For algae bacteria or moulds use a solution of domestic bleach hypochlorite Never use hydrochloric acid and bleaching liquid simultaneously The release of the very poisonous chlorine gas will result 7 4 LCD adjustment Contrast adjustment During the life of the analyzer the contrast of the display may fade The contrast can be ad justed using the potentiometer on the backside of the LCD board This adjustment must be done only by Yokogawa s service personnel The position is shown on the picture belo
69. or NaCl lt 3 for Matrix Note on performance specifications The following tolerance is added to above performance mA output tolerance 0 02 mA of 4 20 mA Transmission signals General Output function Control function Burn out function Parameters Hold Cond range Contact outputs General Switch capacity Status Control function IM 12D06D05 01E Two isolated outputs of 4 20 mA DC with common negative Maximum load 6000 Bi directional HART digital communication superimposed on mA1 4 20 mA signal Linear or 21 step table for Conductivity Concentration or Temperature PID control Burn up 21 0 mA or burn down 3 6 mA to signal failure acc NAMUR NE43 Adjustable damping Expire time The mA outputs are frozen to the last fixed value during calibration commissioning min span 10 us cm210 of high valve 20 mA max span 1999 mS cm Four SPDT relay contacts with display indicators Maximum values 100 VA 250 VAC 5 Amps Maximum values 50 Watts 250 VDC 5 Amps High Low process alarms selected from conductivity concentration or temperature Configurable delay time and hysteresis PID duty cycle or pulsed frequency control FAIL alarm On Off Adjustable damping Expire time Hold Fail safe Contact can be used to signal the HOLD situation Contact S4 is programmed as fail safe contact Note When contact output current is more than 4
70. p comp 2 the chosen temperature compensation method for the secondary meas urement Note This does not imply two separate meas urements There is the possibility to set two separate compensation methods so that two different stages of the same process can be monitored accurately An example is process cleaning fluid interface Routing Commissioning gt gt Measurement setup gt gt Temp compensation 4 3 8 Sensor ohms the input measurement as an uncompensated resistance value 4 3 9 Last calibrated at the date of the last calibration 4 3 10 Calibration due at in the time frame scheduled for the next calibration This field is determined by the calibration interval Routing Commissioning gt gt Measurement setup gt gt Calibration settings 4 3 11 Projected calibration at a diagnostic output showing the time frame when the unit should next be maintained ac cording to the sophisticated self diagnostic tools built into the EXAxt software Prior to calibration the sensor should be well cleaned and rinsed 4 3 12 HART ID a part of the HART device ID descriptor 4 3 13 Software revision the revision level of the software in the instrument IM 12D06D05 01E O90STOSI IXVX3 40 NOILVHZSdO H 18 4 3 14 HART Device revision Sometimes the firmware of a device is updated in a way that the communication file HART DD need revision too In this case the revision level is increased by one The revi
71. pe A General purpose version U FM version Mounting Hardware UM Universal mounting kit panel pipe wall Pipe and wall mounting hardware 2 Panel mounting hardware 2 Hood Awning hood stainless steel 2 Conduit adapter G1 2 2 1 2NPT 2 M20 2 Tag Plate SCT Stainless steel tag plate 1 1 If the tag number is predefined with the purchase Yokogawa will inscript the tag plate with the specified tag number and program the tag number in the converter 2 Option codes U PM H5 AFTG ANSI and AM20 are not specified for FM version U IM 12D06D05 01E 3 INSTALLATION AND WIRING 3 1 Installation and dimensions The ambient temperature and humidity of the 3 1 1 Installation site installation environment must be within the The EXAxt 450 converter is weatherproof and limits of the instrument specifications See can be installed inside or outside It should chapter 2 however be installed as close as possible to the sensor to avoid long cable runs between 3 1 2 Mounting methods sensor and converter In any case the cable Refer to figures 3 2 and 3 3 Note that the length should not exceed 60 metres 200 feet EXAxt converter has universal mounting capa Select an installation site where bilities Mechanical vibrations and shocks are negligible e Panel mounting using optional brackets Norelay power switches are in the direct e Surface mounting on a plate using bolts environment from th
72. peratures one below the reference and above the reference temperature with the temperature coefficient set to 0 00 C and use the following equation to calculate a temperature coefficient a Kr T E A 1 a T z Tjer K Ky B K2 B ToO Ti Trer 1 a T gt Titer K4 1 a T2 Trer Ko 1 a T4 Lescht K uS cm Ki a T2 Tret Kota T1 Tiet K2 Ky SE K2 Ky E Kal To Trei 7 Ko T4 E Tia Where T4 To liquid temperature C K conductivity at T C K conductivity at T5 C Figure 11 1 Conductivity Calculation example Calculate the temperature co efficient of a liquid from the following data Conductivity 124 5 uS cm at a liquid temperature of 18 0 C and a conductivity 147 6 uS cm at a liquid temperature of 31 0 C Substituting the data in the above formula gives the following result 147 6 124 5 124 5 31 0 25 147 6 18 0 25 Set the temperature coefficient in the ISC450G converter x 1002 1 298 C IM 12D06D05 01E soos 50 Checking When the temperature coefficient already set is accurate the conductivity to be displayed must be constant regardless of liquid temperature The following check will make sure that the temperature coefficient already set is accurate If when the liquid temperature is lowered a larger conductivity value is indicated the temperature coefficient already set is too small The opposite also applies If a smal
73. piping d The sensor is provided with a gasket and retaining nut This allows bulkhead mounting in tank wall or standard flange through a hole of 27 mm 1 1 diameter A The insertion is 125 mm under the flange Two flats are provided with wrench size 20 mm 0 8 to allow easy mounting and alignment of the sensor The model identification on one flat aligns with the up stream position of the sen sor For On line mounting adapters are avail able for standard 2 process connection Gas thread NPT ANSI flange DIN flange For by pass measurement flow fittings are available in polyporpylene polyvinylidene flour ide and Stainless Steel For measurements in open ducts or vessels an immersion fitting in CPVC or Stainless Steel is available For easy wiring the sensor must be located within 5 m 15 from the converter using the integral sensor cabling O ring 26 57 x 3 58 40 64 x 5 33 Figure 3 9a Dimensions IM 12D06D05 01E 13 DIMENSIONS INSTALLATION INSTRUCTIONS 7 thermistor BULK HEAD MOUNTING e gt secondary L 5000 200 15 S prima We ry 14 ground UNIT mm inch Hole in flange 27 mm 1 06 d distance min 25 mm 1 D acces port size min 48 mm 1 89 O ring 26 57 x 3 53 40 64 x 5 33 Boe SH Figure 3 9b Dimensions 3 6 4 Sensor cable connections using junc and the WF10 extension cable should be tion box B
74. re is not problem when HART eden eden gives you inside communication is not used Continue operation while c adjusted 1 880 cm into the parameters ignoring the mark comp iore involving current 4 2 Trending graphics 500 0 2 emerge Al Pressing the button changes the display following zoom into a graphical mode in which the average i screens give measured value is shown on a time scale The Live value is also digitally displayed in a text box The time scale X axis and the primary value scale Y axis are set in the DISPLAY SETUP menu The full screen displays a trend of 51 points that represent the average of the selected time interval The analyzer samples the measurement every second The trending graphic also shows the maximum and minimum measured value in that interval For example if the time scale is set to 4 hours Figure 4 3 Detail screen then the trend is shown for 4 hours prior to the actual measurement Each point on the trend line represents the average over 4 60 60 51 282 measurements seconds additional information about the device and lead to logbook data Sensor data Calibration Output data m i Tag EXAxt ISC450 120 0 Minimum Live reading ha eee dr Average Minimum Figure 4 2 Trend screen IM 12D06D05 01E 4 3 1 Actual mA1 the current output in mA of the first current output which is defined as MAT The range and function of this mA outpu
75. reen can contain up to 5 events As each logbook can contain 50 events in total one can access previous events by selecting another page 1 to 10 4 3 16 Trouble shooting If you contact the local sales service organiza tion the serial number and software revision is necessary information Without that information it is impossible to help you It is also very useful to report all the information that you find on the zoom in display 4 4 Information function In this field an information sign 60 a warning sign or a fail sign can appear Pushing this button the user gets detailed information about the status of the sensor or the instrument if applicable See troubleshooting chapter 8 for further details 4 5 Setup Calibration amp commissioning By pressing the setup key you get access to the operating system of the converter based on menus and submenus Browse through the list using the i key till you find the required menu and press the key to enter this menu It is also possible to press on the iz or 4 sym bol found beside the menu item 4 6 Secondary primary value display switch Pressing on this text block automatically 29 0 switches the secondary value to the main display Large font size 19 4 7 Navigation of the menu structure Tag EXAxt 152450 Main display EXAxt 150450 Primary setup display Commissioning Change language RETURN KEY exit to previous
76. reference temperature is defined in the Temperature Compensation menu If Tref is between T1 and T10 then the value of Tref needs to be entered as Tx T2 T9 Concent Sol1 E AA NENNEN Sol10 3 For every SxTx that is entered the following values become mandatory to enter Cx SxTr SxT1 SxT10 and Tx 1 Solx Sol1 C Solx Gx a ea Sol10 The matrix can be cleared before entering new User defined 1 values Next new matrix values can be entered ERE as described above The EXAxt can interpolate ee No action the matrix During this process it will check if heck values No action the matrix is completely ascending descend ing This is necessary as otherwise the lookup function can give two results for one tempera Enter values ture If an error is found the EXAxt will specify the location of the error as shown in the user interface screen user defined 1 2 The backspace key should be used for delet ing an individual matrix value An empty value is shown as soos IM 12D06D05 01E 52 APPENDIX 3 Calibration solutions for conductivity Note N This section should be read in conjunction with the calibration section Chapter 6 and the mainte nance section Chapter 7 The calibration cell constant of a sensor does not change unless the sensor is damaged It can also appear to change because of coating of the electrodes or partial blockage Because these changes should
77. s The insulation must withstand this voltage The sensed current should be 10 mA 2 Apply 1400 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the contact output terminals shorted together 31 32 33 41 42 43 51 52 53 71 72 and 73 and the protective earth terminal D for at least 2 seconds The insulation must withstand this voltage The sensed current should be 10 mA 3 Apply 500 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the current output terminals shorted 61 62 65 and 66 and the protective earth terminal D for at least 2 seconds The insulation must withstand this voltage The sensed current should be 10 mA Sensor Signal Input Test Connect the testing circuit as shown in Figure 1 and set the equipment as follows Decade resistance box 1 temperature simulation input 1097 3 Q Decade resistance box 2 conductivity simulation input 150 Q The power supply voltage should be set in accordance with the specifications of the converter YOKOGAWA 4 QIS 12D06D05 01E 1st Edition Jul 2007 Yokogawa Electric Corporation 2nd Edition Sep 2013 IM 12D06D05 01E NOILOAdSNI m Ji 44 This test is done on the HIF display of Factory Mode Touch the Setup icon Touch the Commissioning Touch the Advanced setup Touch the Factory adjustment Enter a password Select the Factory Mo
78. s Timing Y axis Limits PREFACE Electrostatic discharge The EXAxt converter contains devices that can be damaged by electrostatic discharge When servicing this equipment please observe proper procedures to prevent such damage Replacement components should be shipped in conductive packaging Repair work should be done at grounded workstations using grounded soldering irons and wrist straps to avoid elec trostatic discharge WARNING Installation and wiring The EXAxt converter should only be used with equipment that meets the relevant IEC Ameri can or Canadian standards Yokogawa accepts no responsibility for the misuse of this unit AN CAUTION The Instrument is packed carefully with shock absorbing materials nevertheless the instru ment may be damaged or broken if subjected to strong shock such as if the instrument is dropped Handle with care N WARNING Do not use an abrasive or organic solvent in cleaning the instrument lt Do not modify the ISC450G converter e Substitution of components may impair suitability for Division 2 Do not remove or replace while circuit is live unless area is know to be non hazardous Explosion Hazard Do not disconnect equipment unless area is known to be non hazardous Do not reset circuit breaker unless power has been removed from the equipment or the area is known to be non hazardous Notice e This manual should be passed on to the end user Th
79. should note that the lifetime of the con tacts is limited 109 When these contacts are used for control pulse frequency or duty cycle with small interval times the lifetime of these contact should be observed On Off control is preferred over Pulse duty cycle S1 control Process parameter CONDUCT P control gt Control type Duty cycle gt Setup Expiry time 0 0s 0 s disabled S1 alarm Process parameter CONDUCT 4 Setup alarm Output setup mAT m 2 Output Alarm Alarm Off Fail 4 Configure Hold Parameter Alarm S1 Alarm S1 Alarm S1 Alarm S1 Setpoint Hysteresis Delay Time Expire Time Alarm S2 Alarm S2 Alarm S2 Alarm S2 Setpoint Hysteresis Delay Time Expire Time S1 control Expire Time P control S1 P control S1 P control S1 Setpoint Range Manual Reset PID control S1 PID control S1 Lime D time CONDUCT TEMPERATURE CONDUCT P control gt Pl control gt PID control gt Duty cycle gt Pulse freq gt CONDUCT Setpoint Direction high Hold 12 00 mA 12 00 mA Last or fixed Fixed value mA1 Fixed value m Z Contact outputs are set to de energized during Hold Hold during calibr Enabled TEMPERATURE CONDUCT2 Alarm S1 proportional band Direction PID control 1 100 0 mS cm Reverse Reverse 27 3600 s 900 0 mS cm high 9 000 mS cm 0 0 5 Fixed Enabled Disable
80. sion level of the HART DD must match the revision level of the Firmware The revision level is expressed by the first two characters of the filename The following files should be used when the HART Device revision level is 2 0201 aot 0201 fms 0201 imp 0201 sym 4 3 15 Logbook The EXAxt contains several logbooks to store historical information on events changed settings and calibrations The logbooks have been categorized to simplify the retrieval of this information Calibration will give information of previous calibrations This logbook is useful as one now can 1 Monitor the sensor performance over time 2 Monitor the sensor s lifetime Sensor will give historical information on parameter settings concerning the sensor s The events logged in this logbook are user definable This is done in Commissioning gt gt Configure Logbook gt gt Sensor Logbook Settings wil give all history information on pa rameter settings concerning the analog outputs mA1 mA2 and contact S1 S4 This logbook is useful to trace back differences in perform ance due to changed settings The events logged in this logbook are user definable This is done in Commissioning gt gt Configure Logbook gt gt Settings Logbook mA and or Settings Logbook contact IM 12D06D05 01E mA1 mA2 shows all dynamic events concern ing the analog outputs 1 S2 S3 S4 shows all dynamic events con cerning the contacts Each HMI sc
81. st 5 minutes before conducting the tests For the connections for the insulation resistance and dielectric strength tests follow the instructions in Sections 3 1 and 3 2 Insulation Resistance Test Apply 500 V DC between the terminals shown below The insulation resistance must be 100 MO or greater 1 Between the power supply terminals shorted together 1 and 2 and the protective earth terminal O 2 Between the contact output terminals shorted together 32 33 42 43 52 53 72 and 73 and the protective earth terminal 3 Between the current output terminals shorted 62 and the protective earth terminal Dielectric Strength Test 1 Apply 1390 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the power supply terminals shorted together 1 and 2 and the protective earth terminal D for at least 2 seconds The insulation must withstand this voltage The sensed current should be 10 mA 2 Apply 1390 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the contact output terminals shorted together 32 33 42 43 52 53 72 and 73 and the protective earth terminal D for at least 2 seconds The insulation must withstand this voltage The sensed current should be 10 mA 3 Apply 500 V AC an AC voltage of substantially sinusoidal waveform with a frequency of 50 Hz or 60 Hz between the current output terminals shor
82. t Execute HOLD and then choose Manual Hold ON or Manual Hold OFF This allows you to set up manual hold To cancel manual hold press the lit HOLD sec tion on the Main display Press HOLD button on mainscreen to re move the HOLD The route for HOLD setup is Commissioning gt gt Output setup Config ure Hold 39 IM 12D06D05 01E NOIL VH8lTVO 2 AN 40 7 MAINTENANCE 7 1 Periodic maintenance The converter requires very little periodic main tenance except to make sure the front window is kept clean in order to permit a clear view of the display and allow proper operation of the touchscreen If the window becomes soiled clean it using a soft damp cloth or soft tissue To deal with more stubborn stains a neutral detergent may be used When you must open the front cover and or glands make sure that the seals are clean and correctly fitted when the unit is re assembled in order to maintain the housing s weatherproof integrity against water and water vapor In the event that the window does become heavily stained or scratched refer to the parts list Chapter 10 for replacement part numbers Battery The EXAxt converter contains a logbook feature that uses a clock to provide the timings The instrument contains a lithium cell battery to support the clock function when the power is switched off The cell has an expected work ing life of 10 years Should this cell need to be replaced co
83. t can be set in Routing Commissioning gt gt Output setup gt gt mA1 4 3 2 Actual mA2 the current output in mA of the second current output which is defined as mA2 The range and function of this mA output can be set in Routing Commissioning gt gt Output setup gt gt mA2 4 3 3 S1 S2 S3 S4 the current state of contacts 1 to 4 The functions and settings of the contacts can be set in Routing Commissioning gt gt Output setup gt gt 1 S2 S3 S4 4 3 4 C C factory the nominal cell constant as determined by the factory calibration during production This value is set during commission ing and is found on the nameplate of the sensor or the calibration certificate Routing Commissioning gt gt Measurement setup Configure sensor 4 3 5 C C adjusted the calibrated cell constant When the cell constant of the system is adjusted on line by grab sample or by calibrated solution technique the new cell constant is recorded here This value should not deviate greatly from the original factory calibration In the event that there is a significant discrepancy seen between this reading and the C C factory value the sensor should be checked for damage and cleanliness Routing is via the Calibration menu 17 4 3 6 Temp comp 1 the chosen temperature compensation method for the primary measure ment Routing Commissioning Measurement setup gt gt Temp compensation 4 3 7 Tem
84. tact le 11 3 4 1 General pDrecautons 11 3 4 2 Contact TE i PCIE E ente eal 11 au CODI HEET 11 3 5 Wiring the mA outpul signals rt hore ies 11 3 5 1 General DIecaultlOfis resina dai ii 11 3 5 2 Analog output SIGN AS E 11 PES Evne 12 3 6 1 General precautions sesa eeae aaa ana eaaa anana anana n aee n aane ena re nenen e rene 12 3 6 2 Connecting the sensor cabletoiheconverter 12 3 6 3 Installation of the sensor asa aa aana nenen anana aana eaaa nee anae nane anane eee 12 3 6 4 Sensor cable connections using junction box BA10 and extension cable WE WO ts 18 IM 12D06D05 01E 4th Edition Mar 2012 YK All Rights Reserved Copyright O 2007 Yokogawa Electric Corporation IM 12D06D05 01E iv 4 OPERATION OF EXAxt lat date ici ii aim 16 4 1 Main Be Ee Et Leite 16 222 Trending QUANG taa a ERARON ARNAI EA AKA KOES 16 q 3 Zoo I eine EE 16 Bl AD MA 17 4 3 2 KUALA 17 TN yc akah aaa ag E 17 4 3 4 C C Og EE EEE ER natents 17 4 3 5 C C adjusted EEE ieee 17 4 3 6 Temp COMP cet erre 17 SEC FEMP COMI 2 E 17 7 355 TN 14 4 3 9 Last calibrated RE mo UT 17 4 3 10 eer ien 17 4 3 11 Projected calibration at 17 ze VM III fem P baka 17 2 3 13 SUMS TEVISION EE 17 4 3 14 HART Device revision asa a aaa aana aana aana a nana nnns 18 ELV 18 4 3 16 Trouble shooting EE 18 RE Le ET EEE EBEE
85. ted 62 and the protective earth terminal 9 for at least 2 seconds The insulation must withstand this voltage The sensed current should be 10 mA Sensor Signal Input Test Connect the testing circuit as shown in Figure 1 and set the equipment as follows Decade resistance box 1 temperature simulation input 1097 3 Q Decade resistance box 2 conductivity simulation input 150 Q The power supply voltage should be set in accordance with the specifications of the converter YOKOGAWA 4 QIS 12D06D05 01E Yokogawa Electric Corporation Jal Enon del 2007 IM 12D06D05 01E NOILOAdSNI m Ji 44 This test is done on the HIF display of Factory Mode Touch the Setup icon Touch the Commissioning Touch the Advanced setup Touch the Factory adjustment Enter a password Select the Factory Mode in Key Select the HIF in Execute Wind ten turns of wire onto ISC40 sensor When the resistance of the decade resistance box 2 to the corresponding value RANGE to RANGES in Table 1 is set check the data display and the value must be within the range shown in Table 1 Table 1 Resistance Q of Decade Se Box 2 Data Display Q RANGE2 RANGES After the above test is completed wind one turn of wire onto ISC40 sensor When the resistance of the decade resistance box 2 to the corresponding value RANGE2 to RANGES in Table 2 is set check the data display and the val
86. ts X axis timing The time range of the trend graph can be set from 15 minutes up to 14 days Y axis limits The ranges for each measurement need to be set according the application Auto return When Auto return is enabled the converter reverts to the measuring mode main display from anywhere in the configuration menus when no button is pressed during the set time interval of 10 minutes IM 12D06D05 01E Main display Conductivity unit Ist line Conductivity 2nd line Temperature 3rd line Empty Additional text X axis Timing Y axis Limits Auto Return 10 min Parameter Conduct low Conduct high Conduct 2 low Conduct 2 high Temp low Temp high 35 Conductivity Conductivity2 Conductivity Conductivity2 Temperature Empty Conductivity Conductivity2 Temperature emperature onduc low 0 000 S cm high 500 0 uStcm 10 min onduc 2 low 0 000 S cm Disabled high 500 0 yS em emp low 0 0 C high 100 0 C Default values 0 uS cm 500 uS cm 0 uS cm 500 uS cm 0 C 32 F 100 C 212 F IM 12D06D05 01E ONINOISSIININOO I4NLINYLS NNAW H 36 6 CALIBRATION 6 1 Before calibration 1 When is calibration necessary Calibration of conductivity instruments is not normally necessary as the conductivity cells are manufactured to close tolerances and do not alter in use If the cell has severe fouling or been subject to abrasion possibly
87. ts the process tem perature must be set here Reference Temperature Choose a temperature to which the measured conductivity value must be compensated Normally 25 C 77 C is used therefore this temperature is chosen as default value Method TC In addition to the temperature coefficient calibration routine it is possible to adjust the compensation factor directly If the compensa tion factor of the sample liquid is known from laboratory experiments or has been previously determined it can be introduced here Adjust the value between 0 00 to 3 50 96 per C In combination with reference temperature a linear compensation function is obtained suitable for all kinds of chemical solutions NaCl Temperature compensation according NaCl curve See appendix 1 for values Matrix The EXAxt is equipped with a ma trix type algorithm for accurate temperature compensation in various applications Select the range as close as possible to the actual temperature concentration range The EXAxt will compensate by interpolation If user defined 1 or user defined 2 is selected the temperature compensation range for the adjustable matrix must be defined See Appendix 2 for matrix interpolation Extra information on temperature compensation is given in appendix 1 Measurement setup Measure Conductivity only C Configure sensor Temperature settings Temp Compensation Calibration settings Concentration Con
88. tuation Always connect the fail contact to an alarm device such as a warning light alarm bell or displayed on an annunciator 11 amp M4 screw POWER 100 240 VAC 15 VA 50 60Hz FUSE 500 mA 250 VAC T Figure 3 8 b Internal grounding ALARM Contact FAIL Contact Powerof Nc NC Poweron No mo Nam no mo m p e e Fail and Alarm NC When a fail situation occurs which is related to the parameter associated with the contact Conductivity Concentration or temperature the contact will go to NC When the fail situation is not related to the parameter associated with the contact the contact will remain in the state it is currently in 3 4 3 Contact input It is necessary to use screening shielding on the input signal cables Terminal 63 is used to connect the shielding 3 5 Wiring the mA output signals 3 5 1 General precautions The analog output signals of the EXAxt transmit low power standard industry signals to peripherals like control systems or strip chart recorders Figure 3 6 3 5 2 Analog output signals The output signals consist of active current signals of 4 20 mA The maximum load can be 600 ohms on each IM 12D06D05 01E ONIYIM ANY NOILVTIVLSNI H 12 It is necessary to use screening shielding on the output signal cables Terminal 63 is used to connect the shielding 3 6 Wiring the sensor 3 6 1 Gener
89. ue must be within the range shown in Table 2 Table 2 RANGE Resistance Q of Decade Resistance Box 2 BEE RANGE4 1 5k 1 5k 0 01k RANGE5 15k 0 2k RANGE6 150k 12k After the above test is completed touch the Exit to return to the HIF display Temperature Indication Check Following Section 3 3 select the PT1000 in Temperature of the HIF display In this state change the resistance of the decade resistance box 1 and check the data display The value on the data display must be within the range shown in Table 3 Table 3 Resistance Q of Decade Resistance Box 1 10 960 9 10 0 3 25 1097 3 25 0 3 Temperature C Data Display C After the above test is completed touch the Exit to return to the HIF display Current Output Test Following Section 3 4 select the Check in mA outputs of the HIF display Set value 4 000 mA appears at the bottom of the display Select Next value in the Command and touch Enter the value on the data display increases in steps of 4 mA Check the current outputs 1 and 2 corresponding to the data display the current output must be within the range shown in Table 4 QIS 12D06D05 01E IM 12D06D05 01E Table 4 Data Display Current Output mA DC 4 4 0 02 12 12 0 02 20 0 02 After all tests are completed a Touch the Exit twice to return to the Service display b Select Norma
90. up 1 S2 S3 S4 Each Switch contact can have the following functions 1 Control A selection of P PI or PID control 2 Alarm Low or high value Limits monitoring 3 Hold A hold contact is energised when the instrument is in HOLD 4 Fail S4 is set as fail safe contact 6 Simulate To test the operation of the contact simulate can be used The contact can be switched on or off or a percentage of duty cycle can be entered DC period time T Off Switch is not used d power on ae T power down normal opened eS activated S1 S2 S3 3 e e e o S4 o ae e a a Above table shows contact output status between common to NO Configure hold Hold is the procedure to set the outputs to a known state when going into commission ing During commissioning HOLD is always enabled outputs will have a fixed or last value During calibration the same HOLD function applies For calibration it is up to the user if HOLD is enabled or not IM 12D06D05 01E Setpoint Delay time Delay time Figure 5 3 Alarm contact on off control controller output 100 e toff gt 0 1 sec Duty cycle Duty cycle ton gt 0 1 sec Duty cycle Figure 5 4 Duty cycle control controller output l SE 100 Maximum pulse frequency oS 10 MENO A NN MM EE 5096 pulse frequency No pulses Figure 5 5 Pulse frequency control Lifetime contacts One
91. ution added when measuring unit change in the 5 1 Configure sensor Page 43 to 46 QIS 12D06D05 01E QIC 12D06D05 01 revised some change of insulation amp dielectric strength test and figure of testing equipment on QIS CMPL 12D06D05 02E Some revision of P N item 2 OCopyright 2012 6th Edition Aug 2015 YK IM 12D06D05 01E YOKOGAWA SE EE EES 4th Edition Yokogawa Electric Corporation Hold Fail safe Contact can be used to signal the HOLD situation Contact S4 is programmed as fail safe contact Note When contact output current is more than 4 Amps ambient temperature should be less than 40 C F Contact input G H J K o L sr Contact open Contact closed Remote range switching to 10 times the programmed range If impedance gt 100 kQ 1 x Range When programmed range for mA output is conductivity If impedance lt 10 O 10 x Range Temperature compensation Function Reference temp Calibration Logbook Display Shipping details Package size Package weight Converter weight Housing Colour ISC450 A D A ISC450 A D U Automatic or manual for temperature ranges mentioned under B inputs Programmable from 0 to 100 C or 30 210 F default 25 C Semi automatic calibration using pre configured OIML KCI buffer tables with automatic stability check Manual adjustment to grab sample Organisation Internationale de Metrologie
92. w For units manufactured after July 2007 the poten tiometer is placed behind the little hole in the LCD bracket as shown in Figure 3 4 on page 7 For units manufactured between April 2006 and April 2007 the potentiometer is located as shown below W E A EI NE Ol 41 Touchscreen adjustment AN CAUTION A few years after using the touchscreen may deviate from the correct position due to aging deterioration of the touchscreen When that happens turn off power then on again The touchscreen will be calibrated automatically to the correct touch position at power on It is recommended to turn off power then on again when periodic maintenance AN CAUTION Do not turn on power with the touchscreen pressed otherwise inaccurate touch position will occur If it occurs leave the touchscreen unpressed turn off power then on again The touch position will be accurate IM 12D06D05 01E JONVNLNIVIN a 42 8 TROUBLESHOOTING 8 1 General The EXAxt is a microprocessor based analyzer that performs continuous self diagnostics to verify that it is working correctly Error mes sages resulting from faults in the micro proc essor systems itself are monitored Incorrect programming by the user will also result in an error explained in a message so that the fault can be corrected according to the limits set in the operating structure The EXAxt also checks the sensor system to estab
93. y adjustment Parameter Network address Default values 0 Defaults N o action After the defaults are loaded the instrument will reset Tag EXAxt ISC450 Passwords Calibration HOLD Commissioning Entering an empty password results in disabling the pass word check Date time fixed format YYYY MM DD 24 hours HART Network address 33 No action Load factory defaults Save current as user defined Load user defined defaults IM 12D06D05 01E ONINOISSIININOO AYNLONALS NNAW H 34 5 14 Display setup Main display The main display consists of three lines with Process Values Each line is user definable with the restriction that each line should have a different Process Value The default settings can be defined here By pressing one of the two smaller process values this will become the main process value in the main screen Autoreturn will cause the main display to go to default setting See also 4 6 Secondary to Primary Value display Switch Note Configuration possibilities in the main and secondary display lines are determined by the choices made in the menu measurement Measurement setup gt gt Measurement Additional text Each process value can be given an additional text containing up to 12 characters per text This text is displayed on the main display next to the process value This way the user can distinguish separate measuremen

Model ISC450G [Style: S2] Inductive Conductivity

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