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background image

Figure 24 Choosing ethernet speed

6.1.4 Skip count

When the sample is removed, the refractometer goes to

NO SAMPLE

state. However, if

skip

count

is greater than 0, the CONC is frozen to its last value for the number of measurement

cycles (one per second) indicated by skip count.

Skip count is set in

Output settings

section of the

Parameters

page.

Figure 25 Setting skip count value

PR-43 Series User Guide

M212455EN-B

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Содержание K-PATENTS PR-43

Страница 1: ...M212455EN B User Guide Process Refractometer PR 43 Series...

Страница 2: ...y given time and hereby disclaims any and all responsibilities related thereto This document does not create any legally binding obligations for Vaisala towards customers or end users All legally bind...

Страница 3: ...thernet connection 14 3 4 5 Troubleshooting connection 14 4 Web interface 16 4 1 Main page 16 4 2 Diagnostics 17 4 2 1 Diagnostic values 18 4 3 Parameters 18 4 3 1 Measuring field samples 19 4 3 2 Opt...

Страница 4: ...Request and response errors 38 9 2 Request response pair specification 38 9 3 Error message specification 40 10 Instrument verification 42 10 1 Refractometer verification 42 10 1 1 Handling R I liquid...

Страница 5: ...ully and connection OK 15 Figure 11 Main page 17 Figure 12 Measurement cycles since last login 17 Figure 13 Diagnostics page 18 Figure 14 Parameters page 19 Figure 15 Measuring field samples 20 Figure...

Страница 6: ...bles Table 1 Document versions English 5 Table 2 PR 43 manuals 5 Table 3 Hardware messages 32 Table 4 Measurement messages 33 Table 5 Request response pair specification 39 PR 43 Series User Guide M21...

Страница 7: ...ew format template and document code Minor changes to content IM EN PR43GEN v 2 00 June 2018 First version 1 2 Related manuals Table 2 PR 43 manuals Document Code Name IM EN CI Compact User Interface...

Страница 8: ...perform the task Indicates that you need to take some notes during the task 1 4 Trademarks Vaisala and K PATENTS are registered trademarks of Vaisala Oyj Linux is a registered trademark of Linus Torva...

Страница 9: ...nterface provides a local or remote display with the same information as WI see Compact User Interface CI Instruction Manual Multichannel user interface provides high performance industrial computing...

Страница 10: ...The current consumption of the refractometer is less than 80 mA The power supply should be shielded from external voltage surges 3 2 mA output The PR 43 refractometer can be connected with just an mA...

Страница 11: ...EFRACTOMETER M 12 8 pin A code M Unclassified area max 90m 295ft max 90m 295ft max 90m 295ft PR 8430 ___ Platform 4 cable M12 8 pin A code F M Ethernet mA 24V PR 8430 ___ Platform 4 cable M12 8 pin A...

Страница 12: ...to write a data acquisition program The connection on the Split cable PR 8431 is an industrial M12 connector If connection to a device that uses RJ45 is desired for example to connect with a laptop Sp...

Страница 13: ...ing refractometer s via wireless The maximum distance of a single Ethernet connection is 100 m including one joint adapter coupler but if longer distances are required a fiber link may be used to exte...

Страница 14: ...ther changes in settings If this does not work make sure that the WLAN Wireless network connection is not active on the computer that is connected to the refractometer If the WLAN is active the comput...

Страница 15: ...ne refractometer and one or more computers with no connection to any other network then the IP addresses can be chosen rather freely One possibility is to number the refractometers so that they all ha...

Страница 16: ...eached check that there is only one refractometer in the same network as otherwise there is an address conflict 4 Check that the software firewall of the computer does not block the connections A usef...

Страница 17: ...Figure 10 Pinging address 169 254 43 43 ping returned fully and connection OK Chapter 3 Refractometer connections 15...

Страница 18: ...fractometer s homepage is the refractometer s IP address which for a factory default set PR 43 it is 169 254 43 43 Type the IP address in the browser address bar then enter just as you would enter any...

Страница 19: ...ometer Figure 12 Measurement cycles since last login 4 2 Diagnostics The Diagnostics page displays the diagnostic values produced by the refractometer In addition to the measurement results the page s...

Страница 20: ...rocess Falling QF value may indicate prism coating CCD gives the position of the shadow edge on CCD in LED is a measure of the amount of light from the light source in The value should be below 100 BG...

Страница 21: ...changes The parameter update may take a few seconds to apply If you have edited a parameter but not submitted the change yet you can undo all changes by clicking the Undo changes button The parameter...

Страница 22: ...ent status is shown and if the status is not Normal operation the point is not accepted Several points may be measured and all the points are shown on the page until the page is reloaded Figure 15 Mea...

Страница 23: ...e refractometer 4 4 Verification Refractometer verification can be performed on this page Follow the instructions on the verification page to perform instrument verification For more information on th...

Страница 24: ...Figure 18 Verification page PR 43 Series User Guide M212455EN B 22...

Страница 25: ...The concentration reading is precalibrated at delivery and a copy of the Refractometer calibration certificate is shipped with the refractometer If the diagnostic message is Normal operation but the c...

Страница 26: ...e In exponential damping the damping time is the time it takes for the concentration measurement to reach half of its final value at a step change For example if the concentration changes from 50 to 6...

Страница 27: ...ONC 20 s 10 s 5 s Figure 19 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 Figure 20 Linear damping The following figure shows the ef...

Страница 28: ...ciation of users of automation in process industries The association recommendation NE 43 promotes a standardization of the signal level for failure information The goal of NE 43 is to set a basis for...

Страница 29: ...o default mA The factory setting for secondary mA default is factory set at Disable To implement secondary mA default go to the mA output calibration section on the parameter page and set secondary de...

Страница 30: ...SAMPLE state However if skip count is greater than 0 the CONC is frozen to its last value for the number of measurement cycles one per second indicated by skip count Skip count is set in Output settin...

Страница 31: ...tration calibration is organized in 3 layers Refractometer nD calibration Chemical curve Field calibration The advantages of the layer feature are free interchangeability of refractometers application...

Страница 32: ...aisala 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...

Страница 33: ...ration using process liquid very seldom gives reliable results as problems are caused by Low flow which makes sample to form an unrepresentative film on the prism Sample evaporation at high temperatur...

Страница 34: ...EMP MEASUREMENT FAULT are activated only NO OPTICAL IMAGE displays OUTSIDE LIGHT ERROR NO OPTICAL IMAGE TEMP MEASUREMENT FAULT HIGH SENSOR HUMIDITY HIGH SENSOR TEMP NO SAMPLE PRISM COATED OUTSIDE LIGH...

Страница 35: ...e 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 Diagnostics page NO OPTICAL IMAGE The prism is heavily coated R...

Страница 36: ...y may not be optimal NO SAMPLE The operation of the equipment is OK but there is no process liquid on the prism In some cases this message may also be caused by coating on the prism TEMP MEASUREMENT F...

Страница 37: ...nding the light rays so that they meet the interface at different angles L P M M S A C B Figure 27 Refractometer principle The reflected rays of light form an image ACB where C is the position of the...

Страница 38: ...n in the figure below 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 28 Optical...

Страница 39: ...r 32 bit integer request ID any request data depends on the request any fill indata The maximum size of the message is 1472 octets bytes The packet number is echoed back by the refractometer but not p...

Страница 40: ...nse pair specification page 38 are case insensitive However it is recommended that they are written as in this specification The server refractometer may send the response keys in any order The server...

Страница 41: ...to with a value representing the server refractometer protocol version 0x00000001 none Version integer the server protocol version currently 3 Refractomete r information Gives the basic information of...

Страница 42: ...ture Traw float process temperature without bias RHsens float internal humidity CALC float calculated concentration value CONC float final concentration value PTraw integer PT1000 value QF float image...

Страница 43: ...teger error code 0x00000002 Invalid refractometer number ErrorMsg string error details There may also be error dependent extra keys Other error codes may be returned 0x00000003is to be handled as unkn...

Страница 44: ...ive index standard liquids the values are stated at 25 C 1 3200 1 3300 1 3400 1 3500 1 3600 1 3700 1 3800 1 3900 1 4000 1 4100 1 4200 1 4300 1 4400 1 4500 1 4600 1 4700 1 4800 1 4900 1 5000 1 5100 1 5...

Страница 45: ...ocess If the same liquid is measured several times new result will replace the older one A single measurement point can be removed by clicking the Remove button The verification result is shown on the...

Страница 46: ...he procedure cleaning replacing the sample measuring for each nD liquid In case you perform the procedure more than once for a single sample the latest measurement will replace earlier measurements Th...

Страница 47: ...quids are in good condition and not past their expiration date Also inspect the prism surface checking that it is flat and shiny without any scratches digs or deposition on it Repeat the verification...

Страница 48: ...m or to your local service representative Refractometer serial no Refractometer model Customer Address Email Sample description Solvent water other Laboratory method Date Data collected by Sample no L...

Страница 49: ...f the declaration described above is in conformity with Directives RoHS Directive 2011 65 EU EMC Directive 2014 30 EU The conformity is declared using the following standards EN 50581 2012 Technical d...

Страница 50: ......

Страница 51: ...of the warranty for each product Technical support Contact Vaisala technical support at helpdesk vaisala com Provide at least the following supporting information as applicable Product name model and...

Страница 52: ......

Страница 53: ......

Страница 54: ...www vaisala com...

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