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Model RDO

RDO

®

Optical Dissolved Oxygen

Analyzer and Sensor

RDO is a registered trademark of In-Situ Inc. All rights reserved.

Manual

51-RDO
April 2010

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Summary of Contents for Rosemount Analytical RDO

Page 1: ...Model RDO RDO Optical Dissolved Oxygen Analyzer and Sensor RDO is a registered trademark of In Situ Inc All rights reserved Manual 51 RDO April 2010 ...

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Page 3: ...ction and Customizing the Display 12 Section 5 Programming the Analyzer 13 5 1 Initial Configuration 13 5 2 Configuring the RDO Probes 13 5 2 1 Options Barometer Salinity and Calibration Interval 13 5 2 2 Parameters Concentration Temperature Saturation and Partial Presssure 14 5 2 3 Replacing a Probe 15 5 2 4 Deleting a Probe 15 5 2 5 Adding a Probe 15 5 3 Configuring the Analyzer 15 5 4 Configuri...

Page 4: ...ge without the prior written consent of Emerson Process Management Mailing and Shipping Address Emerson Process Management Rosemount Analytical Inc 2400 Barranca Parkway Irvine CA 92606 USA Tel 949 757 8500 Fax 949 474 7250 Internet www raihome com Support Line 800 854 8257 US Canada The information in this document is subject to change without notice Emerson Process Management has made a reason a...

Page 5: ...unting brackets MODEL RDO INSTALLATION SECTION 1 0 INSTALLATION 1 3 MOUNTING OPTIONS 1 3 1 Analyzer Dimensions Figure 1 1 calls out the analyzer dimensions with the lid closed Figure 1 2 shows the depth dimensions of the ana lyzer When wall or panel mounting make sure to allow adequate space for opening the enclosure door or making electrical connections DANGER Only properly trained and qualified ...

Page 6: ...rient the two brackets on the back of the enclosure so that the flanges on the brackets point downward Figure 1 4 5 Attach the mounting brackets to the enclosure using two screws for each bracket Make sure that the screws properly thread into the nuts you seated in steps 2 and 3 6 Place two hose clamps over the mounting pipe and tighten them until they almost secure 7 Place the flanges from the mo...

Page 7: ... a screw that is best suited for your wall material Figure 1 7 1 3 5 DIN Rail Mounting the Enclosure 1 Open the enclosure and drop one 6 screw into each drilled corner of the box Figure 1 8 2 Use a long screwdriver to push the screw through the back of the enclosure Figure 1 8 3 Place the DIN clip on the top of the enclosure with the orientation shown in Figure 1 9 4 Use a long screwdriver to tigh...

Page 8: ...r plug into the opening until it is snug Then tighten an additional 1 2 turn Do not overtighten 3 Place the lock nut concave side down on the threads and using a screwdriver blade and mallet tighten the lock nut until there is approximately one thread showing 4 Thread cable through the dome connectors and secure by tightening the nut to about 15 in lbs of torque Confirm that cable does not slide o...

Page 9: ...tions only DANGER 2 3 ENSURING GOOD ELECTRICAL CONNECTIONS To ensure that all sensors and power sources function properly make sure that Each individual wire is stripped and tinned to in Each wire is tightly screwed into the terminal strip Each wire is touching the terminal strip If the plas tic wire jacket is clamped into the terminal strip con nections will not be made Clip or cap any unused wir...

Page 10: ...if needed through the dome fittings nearest the power board 4 Using the green screw connect the green earth wire of the power cable to the metal frame in the bottom of the enclosure See Figure 2 2 A green wire con necting the metal frame to the terminal strip should already be in place Terminal Description COM Common NC1 or NC2 Normally closed NO1 or NO2 Normally open FIGURE 2 2 Connect the ground...

Page 11: ...ls However the analyzer supplies 24VDC to the GND and POWER terminals which can be used to power external accessories FIGURE 2 3 Input Output board Requires 24 12 AWG cable Requires stripped and tinned RuggedCable system Requires stripped and tinned RuggedCable system Requires 24 12 AWG cable Requires 24 12 AWG cable Requires 24 12 AWG cable DANGER Make sure that power to the instrument is discon ...

Page 12: ...s present Terminal Description Wire color GND Signal ground Black 485A RS485 negative Green 485A RS485 positive Blue POWER Input DC Output AC Red GREEN EARTH Shield Shield DANGER Make sure that power to the instrument is discon nected before making any wiring connections DANGER Débrancher toute alimentation à l appareil avant de connecter les fils CONNEXIONS POUR LE RACORD DES SONDES 2 7 TIGHTEN D...

Page 13: ...gn the arrow on the cap with the index mark on the probe and firmly press the cap onto the probe without twisting until it seals 4 Reattach the nose cone NOTE The nose cone must be in place when ever the probe is submerged in water 5 Wire the probe to the analyzer See section 2 6 NOTE If you are replacing an existing RDO probe with a new probe the analyzer may not recognize the new probe If this i...

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Page 15: ...robes A and B C refers to measurements made by the analyzer See also section 4 2 Menu View A 7 42 mg L C 838 7 mbar Table 4 1 Display icons and their descriptions 4 2 USING THE VIEW FUNCTION AND CUSTOMIZING THE DISPLAY The view function allows the user to the view parameters measured by each probe and the analyzer It also allows the user to customize the display 1 Select the View option An arrow w...

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Page 17: ...rs 9 For additional information on setting up the probes see Sections 5 3 3 and 5 3 4 5 2 MENU TREE The menu tree for the analyzer is shown in Figure 5 1 5 3 CONFIGURING THE RDO PROBES Configure the RDO probes one at a time There are four submenus available for each probe Options Parameters Replace Probe and Delete Probe 5 3 1 Options Barometer Salinity and Calibration Interval Three settings can ...

Page 18: ...emperature Saturation and Partial Pressure Each RDO probe can measure concentration temper ature percent saturation and partial pressure There are four settings to make for each parameter Enable or disable the measurement If the meas urement is enabled the probe will make the meas urement and the analyzer will display the result If the measurement is disabled the probe will not make the measuremen...

Page 19: ...be B if it is present then Select Replace Probe The analyzer will automati cally configure the new probe 3 Press and hold Back to return to the main display 5 3 4 Deleting a Probe If you plan to permanently remove a probe follow the steps below 1 Select Menu then Settings then Probes 2 Highlight the probe you wish to delete and press Select 3 Scroll to Delete Probe 4 Press Select then Enter to con...

Page 20: ...ect key to toggle between enable and disable If the box is checked the current loop has been enabled 4 Scroll to Parameter and select it Scroll through the list of probes and measurements A is probe A B is probe B and C is the analyzer 5 Scroll to 4 mA value and select it Use the arrow keys to change the setting 6 Scroll to 20 mA value and select it Use the arrow keys to change the setting 7 Scrol...

Page 21: ...SETTINGS To conserve power the analyzer can be set to turn off the display after idling for a certain length of time 1 Select Menu then Settings then Power Save 2 Select External Do not choose Battery 3 Select the appropriate interval Off always on 15 sec 30 sec 1 min 5 min or 15 min 5 9 SETTING THE POLLING UPDATE INTERVAL The polling interval specifies how often the analyzer checks the probe and ...

Page 22: ...rarily pause the outputs 1 Select Menu then hold Outputs All measurement updates will stop the current values and outputs will be held and the phrase Hold Outputs will appear at the top of the main display 2 To take the analyzer out of Hold select Resume 5 14 DIAGNOSTICS The following diagnostic information is available for the RDO probe Serial number Firmware version number Hardware version numbe...

Page 23: ...ting at 0 saturation requires water contain ing no dissolved oxygen A good 0 saturation stan dard is water containing about 5 sodium sulfite Na2SO3 Add about one teaspoonful of sodium sul fite crystals to a cup of water Concentration If the probe is installed in a waste water aeration basin it is often inconvenient to remove it for saturation calibration In this case con centration calibration in ...

Page 24: ...ill ap pear as the reading stabilizes Wait until the word Stable appears Select Stable to accept the calibra tion and proceed to the 0 saturation step To end and return to the previous calibration select Cancel MODEL RDO CALIBRATION 4 The 0 saturation step starts automatically Remove the probe and fill the calibration chamber to the upper fill line with approximately 60 mL of fresh sodium sulfite ...

Page 25: ... referee instrument following the man ufacturer s instruction 2 Immerse the referee sensor in the process liquid as close to the RDO probe as possible 3 Allow adequate time for the referee sensor to come to equilibrium with the process liquid 4 Once readings are stable start the calibration Select Menu then Calibrate then RDO then Concentration 5 Enter the value from the referee instrument as the ...

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Page 27: ...ristled brush or a nylon dish scrubber Use a mild detergent to remove oil or grease Soak in vinegar followed by deionized water to remove mineral deposits or ex tensive fouling See step 4 in section 7 2 1 7 2 3 Cleaning the optical window Clean the optical window only when the sensing cap is replaced See section 7 2 4 7 2 4 Replacing the sensing cap 1 The replacement sensing cap kit PN R0084230 co...

Page 28: ... connector R0087560 RDO analyzer pipe and wall mounting kit R00CBL10 Twist lock connector cable 32 ft 10 m R00CBL20 Twist lock connector cable 64 ft 20 m R00CBL30 Twist lock connector cable 96 ft 30 m R0084230 RDO sensor cap replacement kit R0080810 RDO O ring replacement kit R0080820 RDO replacement nose cone kit R0088890 RDO replacement calibration cup R0087630 RDO replacement desiccant bag for ...

Page 29: ...part 6 2 Emissions Class A requirements of CISPR 11 2004 8 2 RDO ANALYZER Enclosure Polycarbonate rated NEMA 4X IP67 Dimensions W x H x D 6 3 x 6 3 x 3 6 in 16 x 16 x 9 0 cm Display liquid crystal character height 0 4 in 6 mm Mounting suitable for pipe or wall mounting Conduit openings six PG 13 5 1 2 inch three gland fittings and five plugs ship with the analyzer Ambient temperature and humidity ...

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Page 32: ...LINE ORDERING NOW AVAILABLE ON OUR WEB SITE http www raihome com Specifications subject to change without notice Emerson Process Management 2400 Barranca Parkway Irvine CA 92606 USA Tel 949 757 8500 Fax 949 474 7250 http www raihome com Rosemount Analytical Inc 2010 Sira MC070110 00 8 ...

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