Model 5081-A-HTHART Smart Two-Wire Chlorine, Dissolved Oxygen, andOzone TransmitterInstruction ManualPN 51-5081A-HT/rev.CJuly 2003
MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONS1.7 TRANSMITTER DISPLAY DURING CALI-BRATION AND PROGRAMMING (Figure 1-1)1. Continuous display
94MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.11 SIMULATING INPUTS - pH16.11.1 GeneralThis section describes how to simulate a pH input into the trans
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.12 SIMULATING TEMPERATURE16.12.1 GeneralThe transmitter accepts either a Pt100 RTD (used in pH,499ADO, 499
96MODEL 5081-A SECTION 16.0MAINTENANCE16.13 MEASURING REFERENCE VOLTAGESome processes contain substances that poison or shift thepotential of the ref
MODEL 5081-A SECTION 17.0MAINTENANCESECTION 17.0MAINTENANCE17.1 OVERVIEWThis section gives general procedures for routine maintenance of the 5081-A t
98MODEL 5081-A SECTION 17.0MAINTENANCETABLE 17-1. Replacement Parts for Model 5081-A TransmitterLocation in ShippingFigure 17-1 PN Description Weight
99MODEL 5081-A SECTION 18.0RETURN OF MATERIALSECTION 18.0RETURN OF MATERIAL18.1 GENERAL.To expedite the repair and return of instruments, propercommun
MODEL 5081-A APPENDIX AAPPENDIX ABAROMETRIC PRESSURE AS A FUNCTION OF ALTITUDEThe table shows how barometric pressure changes with altitude. Pressure
WARRANTYGoods and part(s) (excluding consumables) manufactured by Seller are warranted to be free from defects in workman-ship and material under norm
Credit Cards for U.S. Purchases Only.The right people,the right answers,right now.ON-LINE ORDERING NOW AVAILABLE ON OUR WEB SITEhttp://www.raihome.com
5MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONSFIGURE 1-4. MODEL 5081-A MOUNTING AND DIMENSIONAL DRAWINGSMILLIMETERINCH
6MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONS1.10 ORDERING INFORMATIONThe Model 5081-A Transmitter is intended for the determination of oxyg
2.1 UNPACKING AND INSPECTIONInspect the shipping container. If it is damaged, contact the shipper immediately for instructions. Save the box. If there
MODEL 5081-A SECTION 2.0INSTALLATION8FIGURE 2-1. Mounting the Model 5081-A on a flat surfaceMILLIMETERINCH2.3.2 Mounting on a flat surface.
9MODEL 5081-A SECTION 2.0INSTALLATIONFIGURE 2-2. Using the pipe mounting kit (PN 2002577) to attach the Model 5081-A to a pipe.MILLIMETERINCH2.3.3 Pip
10MODEL 5081-A SECTION 2.0INSTALLATION2.4 POWER SUPPLY/CURRENT LOOP2.4.1 Power Supply and Load Requirements.Refer to Figure 2-3.The supply voltage mus
11MODEL 5081-A SECTION 3.0 SENSOR WIRINGSECTION 3.0SENSOR WIRING3.1 WIRING MODEL 499A OXYGEN, CHLORINE, AND OZONE SENSORSAll 499A sensors (499ADO, 499
12MODEL 5081-A SECTION 3.0 SENSOR WIRINGFIGURE 3-3. Free chlorine sensor withstandard cable and 399VP-09 pH sensor withoutinternal preamplifier.FIGURE
13MODEL 5081-A SECTION 3.0 SENSOR WIRINGFIGURE 3-7. Free chlorine sensor with optimumEMI/RFI cable or Variopol cable and 399-14 pHsensor with internal
ESSENTIAL INSTRUCTIONSREAD THIS PAGE BEFORE PROCEEDING!Rosemount Analytical designs, manufactures, and tests its products to meet many national and i
14MODEL 5081-A SECTION 3.0 SENSOR WIRINGFIGURE 3-9. Hx438 and Gx448 Sensors.3.3 WIRING Hx438 AND Gx448 SENSORS
MODEL 5081-A SECTION 4.0INTRINSICALLY SAFE & EXPLOSION PROOF INSTALLATIONSSECTION 4.0INTRINSICALLY SAFE & EXPLOSION PROOF INSTALLATIONSFIGURE
FIGURE 4-2. FM Intrinsically Safe Installation Label16
FIGURE 4-3. FM Intrinsically Safe Installation (1 of 2)17
FIGURE 4-3. FM Intrinsically Safe Installation (2 of 2)18
FIGURE 4-4. CSA Intrinsically Safe Installation Label19
FIGURE 4-5. CSA Intrinsically Safe Installation (1 of 2)20
FIGURE 4-5. CSA Intrinsically Safe Installation (2 of 2)21
FIGURE 4-6. ATEX Intrinsically Safe Installation Label22
FIGURE 4-7. ATEX Intrinsically Safe Installation (1 of 2)23
iMODEL 5081-A TABLE OF CONTENTSMODEL 5081-A MICROPROCESSOR TRANSMITTERTABLE OF CONTENTSSection Title Page1.0 DESCRIPTION AND SPECIFICATIONS ...
FIGURE 4-7. ATEX Intrinsically Safe Installation (2 of 2)24
25MODEL 5081-A SECTION 5.0 DISPLAY AND OPERATIONSECTION 5.0DISPLAY AND OPERATIONCALIBRATE PROGRAM DIAGNOSECALIbrAtEEXIT NEXT ENTERppmFAULT HOLDAppea
26MODEL 5081-A SECTION 5.0 DISPLAY AND OPERATION5.2 INFRARED REMOTE CONTROLLER (IRC) - KEY FUNCTIONSThe infrared remote controller is used to calibrat
27MODEL 5081-A SECTION 5.0 DISPLAY AND OPERATION5.3 MENU TREEThe Model 5081-A transmitter has three menus: CALIBRATE, PROGRAM, and DIAGNOSE. Under the
MODEL 5081-A SECTION 5.0 DISPLAY AND OPERATIONFIGURE 5-4. Menu Tree28
296.1 Note on Model 275 HART CommunicatorThe Model 275 HART Communicator is a product of Rosemount Measurement. This section contains selectedinformat
30MODEL 5081-A SECTION 6.0OPERATION WITH MODEL 2756.3 Operation6.3.1 Off-line and On-line OperationThe Model 275 Communicator features off-line and on
31--------------------------------------------------------------------------------5081A 275 Menu Tree-------------------------------------------------
32MODEL 5081-A SECTION 6.0OPERATION WITH MODEL 275Diagnostic VarsOxygenSnsr CurSensitivityZero CurrentpH Value #pH mV #pH Slope #pH Zero Offset #GI #T
33MODEL 5081-A SECTION 6.0OPERATION WITH MODEL 275pH #pH ValuepH Comp [Auto, Manual]Manual pHPreamp loc [Sensor, Xmtr]Autocal [Manual, Standard, DIN 1
MODEL 5081-A TABLE OF CONTENTSTABLE OF CONTENTS CONT’DSection Title Page7.0 PROGRAMMING (continued) ...
34MODEL 5081-A SECTION 6.0OPERATION WITH MODEL 275Device informationDistributorModelDev idTagDateWrite protectSnsr textDescriptorMessageRevision #&apo
35MODEL 5081-A SECTION 7.0PROGRAMMINGSECTION 7.0PROGRAMMING7.1 General7.2 Default Settings7.3 Output Ranging7.4 Temperature Settings7.5 Display7.6 Fac
36TABLE 7-1. Default SettingsMODEL 5081-A SECTION 7.0PROGRAMMINGCHOICES-9999 to 9999 ppm-9999 to 9999 ppb-9999 to 9999 %-9999 to 9999 ppm-9999 to 9999
37MODEL 5081-A SECTION 7.0PROGRAMMING7.3 OUTPUT RANGING7.3.1 PurposeThis section describes how to do the following:1. assign values to the 4 and 20 mA
387.3.3 Procedure1. Press PROG on the remote controller. The OutPut submenu appears.2. Press ENTER. The screen displays the 4 MA prompt. Use the arrow
39MODEL 5081-A SECTION 7.0PROGRAMMING7.4 TEMPERATURE SETTINGS7.4.1 PurposeThis section describes how to do the following:1. Enable and disable automa
407.4.3 Procedure1. Press PROG on the remote controller.2. Press NEXT until the tEMP submenu appears. Press ENTER.3. The screen displays the tAUtO
1. Press PROG on the remote controller.2. Press NEXT until the diSPLAy submenu appears. Press ENTER.3. Press é or êto display the desired measurement.
42MODEL 5081-A SECTION 7.0PROGRAMMING6. For best results make the following settings based on the sensor being used.7. If you chose O3 in step 3, the
1. Press PROG on the remote controller.2. Press NEXT until the dEFAULt appears in the display. Press ENTER.3. Use é or êto toggle between nO and yES.
iiiMODEL 5081-A TABLE OF CONTENTSTABLE OF CONTENTS CONT’DSection Title Page14.0 CALIBRATION — CURRENT OUTPUT ...
44PROGRAMttIIMMEEEXIT ENTER11007.8 CALIBRATION SETUP7.8.1 PurposeThis section describes how to do the following:1. Enter stabilization criteria for
456. Set the stabilization range to between 0.01 and 9.99 ppm. The default values areshown in the table. Press ENTER to save.7. The display returns
46MODEL 5081-A SECTION 7.0PROGRAMMING7.9.2 Procedure1. Press PROG on the remote controller.2. Press NEXT until the LinE FrEq submenu appears. Press E
MODEL 5081-A SECTION 7.0PROGRAMMING7.10 pH MEASUREMENTNOTEThe pH measurement submenu appears only if the transmitter has been configured to measurefr
487.10.3 Procedure1. Press PROG on the remote controller.2. Press NEXT until the PH submenu appears. On will be flashing, indicating that the pHmeasu
MODEL 5081-A SECTION 7.0PROGRAMMING10. Once diagnostic limits have been set, the display returns to the dIAgnOStIC sub-menu header. Press NEXT.11. The
50PROGRAMbbaarr pprreessssEXIT NEXT ENTERPROGRAM%% ssaatt ppEXIT NEXTMODEL 5081-A SECTION 7.0PROGRAMMING7.11.3 Procedure1. Press PROG on the remote
51MODEL 5081-A SECTION 8.0CALIBRATION — TEMPERATURESECTION 8.0CALIBRATION — TEMPERATURE8.1 INTRODUCTIONAll four amperometric sensors (oxygen, ozone, f
52CALIBRATEttEEMMPP AAddJJEXIT NEXT ENTERCALIBRATEttEEMMPP EXIT ENTER002255..00MODEL 5081-A SECTION 8.0CALIBRATION — TEMPERATURE2. Press CAL on the
MODEL 5081-A SECTION 9.0CALIBRATION — OXYGENSECTION 9.0CALIBRATION — OXYGEN9.1 INTRODUCTIONAs Figure 9-1 shows, oxygen sensors generate a current dire
ivMODEL 5081-A TABLE OF CONTENTSLIST OF FIGURESNumber Title Page1-1 Transmitter Display During Calibration and Programming ...
54CALIBRATEsseennssoorr 00EXIT NEXT ENTERCALIBRATE00 aatt 00..0055EXIT ENTERMODEL 5081-A SECTION 9.0CALIBRATION — OXYGEN2. Press CAL on the rem
CALIBRATESSeennssoorr CCaallEXIT NEXT ENTERCALIBRATECCaall ddOOnneeEXITMODEL 5081-A SECTION 9.0CALIBRATION — OXYGEN4. Press CAL on the remote contr
56CALIBRATEIInn PPrrooCCeessssEXIT ENTERCALIBRATECCaallEXIT ENTER33..2200MODEL 5081-A SECTION 9.0CALIBRATION — OXYGEN2. Press CAL on the remote cont
10.1 INTRODUCTIONAs Figure 10-1 shows, a free chlorine sensor generates a current directly proportional to the concentration of freechlorine in the s
58MODEL 5081-A SECTION 10.0CALIBRATION - FREE CHLORINE10.2 PROCEDURE — ZEROING THE SENSOR1. Place the sensor in the zero standard (see Section 10.1).
59MODEL 5081-A SECTION 10.0CALIBRATION - FREE CHLORINE10.3 PROCEDURE — FULL SCALE CALIBRATION1. Place the sensor in the process liquid. If automatic
60MODEL 5081-A SECTION 10.0CALIBRATION - FREE CHLORINE10.4 DUAL SLOPE CALIBRATIONFigure 10-2 show the principle of dual slope calibration. Between ze
61MODEL 5081-A SECTION 10.0CALIBRATION - FREE CHLORINE9. The Pt1 prompt appears. Use the arrow keys to change the flashingdisplay to the concentration
62MODEL 5081-A SECTION 11.0CALIBRATION - TOTAL CHLORINESECTION 11.0CALIBRATION — TOTAL CHLORINE9.1 INTRODUCTIONTotal chlorine is the sum of free and
63MODEL 5081-A SECTION 11.0CALIBRATION - TOTAL CHLORINE11.2 PROCEDURE — ZEROING THE SENSOR1. Complete the startup sequence described in the SCS921 i
1MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONS• MEASURES dissolved oxygen (ppm and ppb level), free chlo-rine, total chlorine, and ozone.• SE
64MODEL 5081-A SECTION 11.0CALIBRATION - TOTAL CHLORINE11.3 PROCEDURE — FULL SCALE CALIBRATION1. If the sensor was just zeroed, place the reagent upt
65MODEL 5081-A SECTION 11.0CALIBRATION - TOTAL CHLORINE11.4 DUAL SLOPE CALIBRATIONFigure 11-3 show the principle of dual slope calibration. Between z
66MODEL 5081-A SECTION 11.0CALIBRATION - TOTAL CHLORINE9. The Pt1 prompt appears. Use the arrow keys to change the flashingdisplay to the concentratio
MODEL 5081-A SECTION 12.0CALIBRATION - OZONESECTION 12.0CALIBRATION — OZONE12.1 INTRODUCTIONAs Figure 12-1 shows, an ozone sensor generates a current
68MODEL 5081-A SECTION 12.0CALIBRATION - OZONE12.2 PROCEDURE — ZEROING THE SENSOR1. Place the sensor in the zero standard (see Section 12.1). Be sure
MODEL 5081-A SECTION 12.0CALIBRATION - OZONE12.3 PROCEDURE — FULL SCALE CALIBRATION1. Place the sensor in the process liquid. Adjust the sample flow
70MODEL 5081-A SECTION 13.0CALIBRATION - pHSECTION 13.0CALIBRATION — pH13.1 INTRODUCTIONA new pH sensor must be calibrated before use. Regular recali
MODEL 5081-A SECTION 13.0CALIBRATION - pH13.2 PROCEDURE — AUTO CALIBRATION1. Verify that auto calibration has been enabled. See Section 7.10.2. Obt
72MODEL 5081-A SECTION 13.0CALIBRATION - pH13.3 PROCEDURE — MANUAL CALIBRATION1. Verify that manual calibration has been enabled. See Section 7.10.2
MODEL 5081-A SECTION 13.0CALIBRATION - pH13.4 STANDARDIZATION1. The pH measured by the transmitter can be changed to match the reading from a second
2MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONS1.2 SPECIFICATIONS - GENERALEnclosure: Low copper aluminum with epoxy polyestercoating. NEMA 4
74MODEL 5081-A SECTION 13.0CALIBRATION - pH13.5 pH SLOPE ADJUSTMENT1. If the slope of the glass electrode is known form other measurements, it can b
MODEL 5081-A SECTION 14.0CALIBRATION — CURRENT OUTPUTSECTION 14.0CALIBRATION — CURRENT OUTPUT14.1 GENERALAlthough the transmitter outputs are calibrat
76MODEL 5081-A SECTION 15.0DIAGNOSTICSSECTION 15.0DIAGNOSTICS15.1 GENERALThe 5081-A transmitter can display diagnostic information that is useful in t
MODEL 5081-A SECTION 15.0DIAGNOSTICS15.4 DIAGNOSTIC MESSAGES FOR FREE CHLORINE TYPE FCL Transmitter is measuring free chlorine. Press NEXT to view dia
78MODEL 5081-A SECTION 16.0TROUBLESHOOTINGSECTION 16.0TROUBLESHOOTING16.1 WARNING AND FAULT MESSAGES16.2 TROUBLESHOOTING WHEN A WARNING OR FAULT MESSA
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.2 TROUBLESHOOTING WHEN A FAULT OR WARNING MESSAGE IS SHOWING16.2.1 OuEr rAnGE and AMP FAIL.These error mes
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.2.2 bAd SEnSor.Bad sensor means that the sensor current is a large negative number. 1. bAd SEnSor may appe
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.2.7 SenSE OPEnMost Rosemount Analytical sensors use a Pt100 or Pt1000 in a three-wire configuration (see Fi
82MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.2.10 -0- OFFSEt The -0- OFFSEt message appears if the standardization offset (in mV) exceeds the programm
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.2.14 AdCAdC means the analog to digital converter has failed. 1. Verify that sensor wiring is correct and
3MODEL 5081-A SECTION 1.0DESCRIPTION AND SPECIFICATIONS1.3 SPECIFICATIONS — OXYGENMeasurement Range: 0-99 ppm (mg/L), 0-200%saturationResolution: 0.01
84MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.4 OXYGEN MEASUREMENT AND CALIBRATION PROBLEMS16.4.1 Zero current is substantially greater than the value
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.4.3 Sensor current during air calibration is substantially different from the value in Section 9.3.1. Is t
86MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.4.7 Sensor does not respond to changes in oxygen level.1. If readings are being compared with a portable
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.5.2 Zero reading is unstable.1. Is the sensor properly wired to the transmitter? See Section 3.0. Verify t
88MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.5.5 Readings drift.1. Is the sample temperature changing? Membrane permeability is a function of tempera
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.7 OZONE MEASUREMENT AND CALIBRATION PROBLEMS16.7.1 Zero current is substantially outside the range -10 to
90MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.7.4 Process readings are erratic.1. Readings are often erratic when a new sensor or a rebuilt sensor is f
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.8 pH MEASUREMENT AND CALIBRATION PROBLEMS16.8.1 SLOPE HI or SLOPE LO message is showing.Refer to Section 1
92MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.8.7 Process pH is grossly wrong and/or noisy.Grossly wrong or noisy readings suggest a ground loop (measu
MODEL 5081-A SECTION 16.0TROUBLESHOOTING16.9 SIMULATING INPUT CURRENTS - DISSOLVED OXYGENTo check the performance of the transmitter, use a decade bo
Commentaires sur ces manuels