K-Patents PR-33-S Instruction Manual Download

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SEMICON

PROCESS

REFRACT

OMETER

PR-33-S

INSTRUCTION MANUAL

IM-EN-PR33S Rev. 1.42

Summary of Contents for PR-33-S

Page 1: ...SEMICON PROCESS REFRACTOMETER PR 33 S INSTRUCTION MANUAL IM EN PR33S Rev 1 42 ...

Page 2: ...ce or repair free of charge any product found to be defective or parts thereof when returned to the nearest authorized K Patents repair facility within two 2 years of the product s delivery date Important The warranty is void if the sensor has been taken apart or in any way tampered with Before returning a defective product for service or replacement please contact K Patents or your nearest K Pate...

Page 3: ...Troubleshooting the connection 9 2 4 Instrument homepage 10 2 4 1 Main page 12 2 4 2 Parameters 13 2 4 3 Diagnostics 14 3 Inline refractometer sensor 15 3 1 Mounting the sensor 15 3 1 1 Choosing sensor mounting location 15 3 1 2 PR 33 S sensor installation 16 3 1 3 Check list for pipe mounting 18 3 1 4 Mounting cover 19 3 2 Connecting the sensor 19 3 3 Connecting with Fieldbus converter 20 4 Start...

Page 4: ...LIGHT ERROR or OUTSIDE LIGHT TO PRISM 30 7 2 2 Message NO OPTICAL IMAGE 30 7 2 3 Message PRISM COATED 31 7 2 4 Message LOW IMAGE QUALITY 31 7 2 5 Message NO SAMPLE 31 7 2 6 Message TEMP MEASUREMENT FAULT 31 7 2 7 Concentration drift during NORMAL OPERATION 32 7 3 Diagnostic messages table 32 8 Ethernet protocol specification 33 8 1 Communication protocol 33 8 1 1 Request format 33 8 1 2 Response f...

Page 5: ...EC declaration of conformity 41 PR 33 S refractometer field calibration form 43 ...

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Page 7: ...termines the refractive index nD of the process solution It measures the critical angle of refraction using a yellow LED light source with the same wavelength 589 nm as the sodium D line hence nD Light from the light source L in Figure 1 2 is directed to the interface between the prism P and the process medium S Two of the prism surfaces M act as mirrors bending the light rays so that they meet th...

Page 8: ...er temperatures the refractive index is smaller than at lower tempera tures From this follows that the optical image changes with the process solution con centration as shown in Figure 1 3 The color of the solution gas bubbles or undissolved particles do not affect the position of the shadow edge C B B C C A A Low concentration High concentration Figure 1 3 Optical images The position of the shado...

Page 10: ...hernet The sensor is equipped with an integrated Ethernet cable 10 meter long The cable can be connected to any standard RJ45 Ethernet equipment Additional length can be gained by using a UTP joint adapter coupler with a standard Ethernet cable length up to 90 meters The maximum communication speed of the sensor is 100 Mbit s Ether net 100BASE T In the simplest form the network consists of a senso...

Page 11: ...ng sensor s via wireless It is possible to use a WLAN access point to decrease the number of cables figure 2 3 The maximum distance of a single Ethernet connection is 100 m incl one joint adapter coupler but if longer distances are required a fiber link may be used to extend the range see figure 2 4 Fiber Media converter Media converter PR 33 PoE switch Figure 2 4 Using fiber link to connect senso...

Page 12: ...settings DHCP enabled in a net work with only the PR 33 sensor the computer should automatically obtain an IP ad dress 169 254 x x In this case you can connect to the factory default address of the sensor without any further changes in settings If this does not work please make sure that your WLAN Wireless network connection is not active when you connect to the sensor If the WLAN is active the co...

Page 13: ...uring a network of sensors In case you have more than one sensor in a network the sensor IP addresses have to be configured as the factory default will not work If you are connecting the sensor to a factory network please consult the network ad ministrator for the correct settings If the network is a stand alone network with only PR 33 s and one or more computers with no connection to any other ne...

Page 14: ... powered PoE switch the indicator lights should light up The actual position and function of the lights depend on the switch but figure 2 7 shows the indicators on a typical PoE switch There s one indicator showing that the instrument is drawing power another indicator next to the Ethernet connector shows the connection status In this case a 100 Mbit s connection is formed between two instruments ...

Page 15: ...s power from the PoE connection Figure 2 8 Process indicator lights in the sensor Once the sensor is powered up it should be reachable from any correctly configured computer connected to the same Ethernet network by typing the IP address of the instrument to a web browser see section 2 4 Note The factory default IP address of the sensor is 169 254 23 33 This address should always respond see secti...

Page 16: ...ping utility of the computer to try and reach the sensor The ping utility mentioned above is in Windows systems available by using the Com mand Prompt usually found in the Accessories or open Run type cmd in the empty line and press enter to open Command Prompt The usage of ping is very simple go to the command interface type the name of the command and the IP address you want to check and press E...

Page 17: ...actory set sensor it is http 192 168 23 33 Give the address to the browser just like you d enter any other address for example http www kpatents com 4 Wait until the homepage is loaded this may take a few seconds The page looks approximately like in Figure 2 10 the exact look of the page depends on your browser and screen settings so slight variation can be expected 5 Use the links in the link bar...

Page 18: ... February 19 2019 2 4 1 Main page Once the instrument homepage is loaded the most important information is visible on the main page figure 2 10 This page shows the measurement values serial number and the tag of the instrument Figure 2 10 Main page sensor not in process ...

Page 19: ...ped into the input fields Figure 2 11 Parameter page Once the parameter editing is done pressing the Submit changes button will send the parameters to the instrument after asking for a confirmation Updating the para meters may take a few seconds Note If you change the IP address of the instrument you will have to enter the new address to the address bar of the browser as the sensor will no longer ...

Page 20: ...y 19 2019 2 4 3 Diagnostics On the diagnostics page figure 2 12 you may see the diagnostic values produced by the sensor There is also a link to the optical image The diagnostic values are updated live but the optical image is only loaded on request Figure 2 12 Diagnostics page ...

Page 21: ...he mounting location needs to be such that sediments or gas bubbles cannot accu mulate by the sensor Good flow velocity is essential in keeping the prism clean Important If the process pipe vibrates support the pipe A vibrating pipe might dam age the in line sensor mounted on it The sensor cover should not be exposed to high temperature radiation In most cases draft and natural convection provide ...

Page 22: ...lation 1 2 Cutout in flow cell aperture to align with temperature sensor 1 2 thread 1 2 thread MOUNTING RECOMMENDATIONS IM PR33S IL C PR 33 S SENSOR INSTALLATION SENSOR SUPPORT VERTICAL FLOW SENSOR SUPPORT HORIZONTAL FLOW FLOW CELL ASSEMBLY DISASSEMBLY MOUNTING COVER ASSEMBLY http www kpatents com 1 1 1 1 2 2 3 1 2 ...

Page 23: ...cabinet Pump PR 33 Refractometer PoE PoE clearance zone to avoid pump drive disturbance Pump drive No Refractometer mounting cover No Refractometer support bracket Poor support for Refractometer with bracket in horizontal position Refractometer position too close to cabinet bottom Figure 3 1 Mounting in a cabinet ...

Page 24: ...e prism stays clean better 2 If the refractometer is used in a feed back control loop make the time lag short E g when a dilution valve is controlled mount the refractometer close to the dilution point However make sure complete mixing has occurred at mounting location 3 If the temperature varies along the process pipe select the position with the highest process temperature That minimizes the ris...

Page 25: ... lines Fit the two halves of the mounting cover over the flowcell and secure with the screws provided Figure 3 2 Mounting cover assembly 3 2 Connecting the sensor Connect the sensor to a PoE switch Make sure you connect the sensor to a powered port some switches have both PoE ports and normal ethernet ports Then connect your laptop or control system to the switch You can also use a K Patents FC 11...

Page 26: ...3 Connecting with Fieldbus converter The K Patents Fieldbus Converter allows the connection to to Fieldbus and Industrial Ethernet For more information see Fieldbus converter manual Note The converter can only send data E g it is not possible to change the parame ters through the converter ...

Page 27: ...3 Inline refractometer sensor 21 Copyright K Patents 2019 All rights reserved PR 33 S Refractometer PoE Switch 24 48V DC 12 48V DC LAN2 Modbus RTU Serial port P1 Figure 3 3 Connecting to Modbus RTU ...

Page 28: ... 33 S instruction manual Document Revision No Rev 1 42 Effective February 19 2019 24 48V DC PR 33 S Refractometer PoE Switch 12 48V DC Ethernet IP LAN1 Modbus TCP or LAN2 Figure 3 4 Connecting to Modbus TCP ...

Page 29: ... calibration certificate is shipped with the sensor If the diagnostic message is NORMAL OPERATION but the concentration reading does not agree with the laboratory results consult Section 5 2 Calibrating the concentration measurement 4 2 Viewing sensor status The basic information on the measurements is shown on the main page of the in strument section 2 4 1 More information is shown on the Diagnos...

Page 30: ...amping gives shorter settling time The damping time is set separately What the damping time means in practice depends on the damping type In the exponential damping the damping time is the time it takes for the concentra tion measurement to reach half of its final value at a step change For example if the concentration changes from 50 to 60 and damping time is 10 s it takes 10 seconds for the sens...

Page 31: ...rved 40 41 42 43 44 45 46 47 48 0 10 20 30 40 50 60 70 80 90 100 110 120 Time s CONC 20 s 10 s 5 s Exponential damping 40 41 42 43 44 45 46 47 48 0 10 20 30 40 50 60 70 80 90 100 110 120 Time s CONC 30 s 15 s 7 s Linear damping Figure 5 1 Effect of damping time on measurement ...

Page 32: ...ted from the CCD value The process temperature is calcu lated from the Pt 1000 resis tance The sensor output is nD and temperature TEMP in Centi grade Hence the calibrations of all PR 33 sensors are identi cal which makes sensors inter changeable Furthermore the calibration of each sensor can be verified using standard refractive index liquids 3 The chemical curve The sensor calculates the concent...

Page 33: ...ose or sodium hy droxide The set of parameters is given by K Patents and should not be altered except in case of changing to another process medium K Patents provides a field calibration service that adapts the calibration to the factory laboratory determinations based on the data supplied The field calibration procedure should be made under normal process conditions using standard laboratory dete...

Page 34: ...ng to collect data points to avoid sampling old process liquid that has remained in the sampling valve Read the values CALC T emp nD and CONC at exactly the same time with sampling Use a tight container for the sample to avoid evaporation Important Offline calibration using process liquid very seldom gives reliable results as problems are caused by low flow which makes sample to form an unrepresen...

Page 35: ...onitor the water content of the solvent Field studies and experience have shown that the o ring between the refractometer instrument body and flow cell has limited lifetime in EKC265 The current standard o ring material is a perfluoroelastomer of Kalrez 6375UP manufactured by Dupont and this material has shown swelling after 6 months in use Preventive maintenance replacement of the o ring PR 9252 ...

Page 36: ...on 2 4 3 For action see Section 3 1 1 Choosing sensor mounting location 7 2 Measurement 7 2 1 Message OUTSIDE LIGHT ERROR or OUTSIDE LIGHT TO PRISM Cause The measurement is not possible or is disturbed because outside light reaches the camera Action Identify the light source and block the light from getting to the prism at the sensor tip The amount of outside light can be seen at BGlight on the di...

Page 37: ...ium or impurities in the process medium Action Remove sensor from line and clean prism manually If the problem is recurrent consider improving the flow conditions see Section 3 1 1 Choosing sensor mounting location 7 2 4 Message LOW IMAGE QUALITY Cause The most likely cause for this message is coating on the prism There still is a optical image available but the measurement quality may not be opti...

Page 38: ...sages table Important The messages are listed in descending order of priority Example If both NO OPTICAL IMAGE and TEMP MEASUREMENT FAULT are activated only NO OPTICAL IMAGE will be shown Message Section OUTSIDE LIGHT ERROR 7 2 1 NO OPTICAL IMAGE 7 2 2 TEMP MEASUREMENT FAULT 7 2 6 HIGH SENSOR HUMIDITY 7 1 1 HIGH SENSOR TEMP 7 1 2 NO SAMPLE 7 2 5 PRISM COATED 7 2 3 OUTSIDE LIGHT TO PRISM 7 2 1 LOW ...

Page 39: ...he client to server communication i e the requests sent from your computer to the refractometer is in binary format The request packets contain the following binary data all integers are in the network order MSB first 32 bit integer packet number 32 bit integer request ID any request data depends on the request any fill in data Important The maximum size of the message is 1472 octets bytes The pac...

Page 40: ...ines of text each line a single key of one word and its value or values The values are separated from the key by an equal sign and multiple values are separated by a comma White space space or tabulator is allowed anywhere except within a single value or key name If the response consists of a character string it is enclosed in double quotes For example all these are valid message text lines ok tem...

Page 41: ...request response pairs used for data collection via Ethernet Those response keys that are always sent are preceded by an asterisk 8 2 1 NULL message The null message is included in the query messages for debugging purposes as it can be used to check whether the server is listening The message gives a high level ping functionality Request ID 0x00000000 Request data none Response key IP IP address M...

Page 42: ... the refractometer software 8 2 4 Measurement results The measurement result query gives the measured and calculated measurement values from the refractometer Request ID 0x00000004 Request data 0x00000000 always zero Response keys Status string refractometer status message PTraw integer PT1000 value LED float LED value RHsens float internal humidity nD float calculated nD value CONC float final co...

Page 43: ...ng keys Error integer error code 0x00000000 Unknown request Error integer error code 0x00000001 Invalid request request recognized invalid request data Error integer error code 0x00000002 Invalid sensor number ErrorMsg string error details There may also be error dependent extra keys Other error codes may be returned 0x00000003 is to be handled as unknown request Codes with higher numbers refer to...

Page 44: ...38 PR 33 S instruction manual Document Revision No Rev 1 42 Effective February 19 2019 ...

Page 45: ...ostic messages 32 drift see concentration drift e EKC265 29 ethernet connection 4 external light see outside light f Firefox see browser fiber link 5 field calibration 26 form 43 service 27 flow velocity 15 minimum 18 h HIGH SENSOR HUMIDITY 30 HIGH SENSOR TEMP 30 homepage see instrument homepage i Internet Explorer see browser IP address default 6 setting 6 installation 18 instrument homepage 10 a...

Page 46: ...DE LIGHT ERROR 30 OUTSIDE LIGHT TO PRISM 30 optical image 1 outside light 30 o ring 29 p Parameter page 13 PoE switch 8 PRISM COATED 31 ping 10 principle of measurement 1 prism coating 31 32 r refractive index 1 s Safari see browser sensor connecting 19 humidity 30 temperature 30 signal damping 24 see damping startup 23 t TEMP MEASUREMENT FAULT 31 w web page see instrument homepage wlan 5 ...

Page 47: ...EC declaration of conformity ...

Page 48: ......

Page 49: ...x it to K Patents Oy or to your local service representative For contact information please see http www kpatents com Sensor serial no Customer Address Fax Email Sample description Solvent water other Laboratory method Date Data collected by Sample no LAB CALC T nD CONC ...

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Page 52: ...tents com K PATENTS INC 1804 CENTRE POINT CIRCLE SUITE 106 NAPERVILLE IL 60653 USA TEL 630 955 1545 FAX 630 955 1585 info kpatents com K PATENTS SHANGHAI CO LTD ROOM 1509 TOMSON COMMERCIAL BUILDING NO 710 PUDONG DISTRICT SHANGHAI CHINA TEL 86 21 5087 0597 0598 FAX 86 21 5087 0598 www kpatents com ...

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