Waring PC50 Specifikace Strana 1

MI 611-211October 2005Instruction 870ITPH IntelligentElectrochemical Transmitterfor pH, ORP, and Ion Selective Electrode Measurements

MI 611-211 – October 2005 1. Introduction4 SpecificationsSensors: Virtually any glass or antimony pH, ISE, or noble metal ORP sensor including th

1. Introduction MI 611-211 – October 2005 5 Figure 2. Supply Power vs. LoadProduct Safety: The 870IT transmitters have been designed to meet ele

MI 611-211 – October 2005 1. Introduction6 RoHS/WEEE Compliance StatementThis product is exempt from the European Directive 2002/95/EC on the res

7 2. InstallationUnpacking1. Remove the transmitter from the shipping container and check for visible damage.2. Save the container until you dete

MI 611-211 – October 2005 2. Installation8 Figure 5. Surface MountingPipe MountingPipe mounting of the transmitter is shown in Figure 6. Securel

2. Installation MI 611-211 – October 2005 9 WARNING!Wiring installation must comply with any existing local regulations.WARNING!A safety agency c

MI 611-211 – October 2005 2. Installation10 must be wired to a metallic material in contact with the process solution. If not, jumper terminals 4

11 3. OperationControls and IndicatorsOperator controls and indicators are located on the front panel. Figure 8 shows the panel arrangement. Tabl

MI 611-211 – October 2005 3. Operation12 Error MessagesThe 870IT will display one of several messages when a problem occurs. These are summarized

3. Operation MI 611-211 – October 2005 13 Passcode AccessTwo levels of passcode protection are available. The Minor level permits access to Calib

MI 611-211 – October 2005

MI 611-211 – October 2005 3. Operation14 Figure 9. Example of Structure DiagramMeasureMeasure is the normal operating mode of your transmitter.

3. Operation MI 611-211 – October 2005 15 Diagnostics(Refer to “Structure Diagram 11” on page 48.)The Diagnostics mode enables you to perform che

MI 611-211 – October 2005 3. Operation16 NOTECorrective action for AGING error is to check the value of the slope in the Status menu. The glass o

3. Operation MI 611-211 – October 2005 17 ConfigurationConfiguration is the process of enabling functional capability in the transmitter firmware

MI 611-211 – October 2005 3. Operation18 NOTEA change in the Primary Sensor, Resolution, or Scale requires a calibration.Next, under DISPLAY SECO

3. Operation MI 611-211 – October 2005 19 Config Electrod(Refer to “Structure Diagram 2” on page 39.)NOTEThis parameter will not appear if ORP wa

MI 611-211 – October 2005 3. Operation20 For CUSTOM compensation, the temperature values must be entered in increasing order and the slope of the

3. Operation MI 611-211 – October 2005 21 Config Damping(Refer to “Structure Diagram 3” on page 40.) This section of the structure asks you to sp

MI 611-211 – October 2005 3. Operation22 INSTRMNT STAB INDWhen performing a calibration, the transmitter checks for stability in absolute measure

3. Operation MI 611-211 – October 2005 23 have a default of 0.0. The values (VALx) can be specified from -2.00 to +16.00 pH and have a default of

iii ContentsFigures...

MI 611-211 – October 2005 3. Operation24 NOTEValues in Table 8 are based on NIST Primary Buffer Systems. pH values are at 25°C. Chemical formulas

3. Operation MI 611-211 – October 2005 25 NOTEValues in Table 9 are based on commercially available technical buffers used in some parts of Europ

MI 611-211 – October 2005 3. Operation26 same. The default passcodes are both 0800. To disable the passcode feature configure a passcode as 0000.

3. Operation MI 611-211 – October 2005 27 following individually: GLASS, LEAKAGE, LOWSLOPE, PREAMP, ATCSHORT, ATC OPEN, COAT, AGING, 4-20 RNG, CO

MI 611-211 – October 2005 3. Operation28 The message may be enabled, disabled, or cleared. The following Foxboro sensors contain a preamplifier:

3. Operation MI 611-211 – October 2005 29 Hold(Refer to “Structure Diagram 7” on page 44.)The Hold mode enables you to hold the output at a deter

MI 611-211 – October 2005 3. Operation30 If you selected MANUAL and your transmitter was specified with digital communications (870ITPH-F), and y

3. Operation MI 611-211 – October 2005 31 Measurement (normal) mode. If you enter the correct passcode, the display will read CAL MANUAL. If you

MI 611-211 – October 2005 3. Operation32 and selects the first one for which this pH is within 0.5 pH of the average pH for the buffer. If this p

3. Operation MI 611-211 – October 2005 33 5. Adjust the millivolt supply to your first value as determined by the formula in Table 12 and press E

MI 611-211 – October 2005 Contentsiv

MI 611-211 – October 2005 3. Operation34

35 4. MaintenanceWARNING!This product contains components that have critical safety characteristics. Do not substitute components. Replace compon

MI 611-211 – October 2005 4. Maintenance36

37 Appendix A. Structure DiagramsTop Level Structure DiagramCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIGCONFIG

MI 611-211 – October 2005 Appendix A. Structure Diagrams38 CONFIGDISPLAYDISPLAYPRIMARY0.1 pH0.01 pHIf ISEIf pHRESOLUTNSCALEPRIMARYRESOLUTNPRIMARY

Appendix A. Structure Diagrams MI 611-211 – October 2005 39 CONFIGELECTRODELECTRODGLASSANTIMONYPOSITIVENEGATIVEIf pHIf ISECONFIGTEMPCOMPTEMPCOMPS

MI 611-211 – October 2005 Appendix A. Structure Diagrams40 (see previous page)CONFIG TEMPCOMPCELSIUSFAHRENAUTOMANUALRTDBALCO2 WIRE3 WIRECONFIGTEM

Appendix A. Structure Diagrams MI 611-211 – October 2005 41 (see previous page)CONFIG CHEMCOMPCONFIGINSTRMNTINSTRMNTmA CAL4 mA20 mA4 mA20 mAmA CA

MI 611-211 – October 2005 Appendix A. Structure Diagrams42 (see previous page)CONFIG TIMEOUTCONFIGBUFFERSBUFFERSIf pHAMERICANNISTEUROPEANSPECIALT

Appendix A. Structure Diagrams MI 611-211 – October 2005 43 (see previous page)CONFIG STRINGSCONFIGAC PWRAC PWR60 Hz50 HzCONFIGDIAGSDIAGSCLEARENA

v Figures 1 Wiring ... 2

MI 611-211 – October 2005 Appendix A. Structure Diagrams44 PASSCODEIf PASSCODE MINOR ≠ 0000HOLDOFFHOLDONONPRESENTMANUALIf ANALOG MODEIf DIGITAL M

Appendix A. Structure Diagrams MI 611-211 – October 2005 45 TEMPSLOPEABSOLUTEmAGLASSRESASYMMREF RESATC RE SCAL NAMELAST CALTAG NUMTAG N A ME *LO

MI 611-211 – October 2005 Appendix A. Structure Diagrams46 PASSCODEIf PASSCODE MINOR ≠ 0000CALMANUALMANUALSINGLEPTIMMERSEREADINGCALCOMPLETEMANUAL

Appendix A. Structure Diagrams MI 611-211 – October 2005 47 Structure Diagram 10CALIBRATION (cont.)CALTEMPTEMPCALDATEDATECALPERSONPERSONPERFORMAB

MI 611-211 – October 2005 Appendix A. Structure Diagrams48 If no errorIf probe error(s)DIAGS OKERRORPROBE ERPROBE ERPROBE ERStructure Diagram 11D

49 Appendix B. Configuration TableThis appendix contains information that will help you configure your transmitter. The information is presented

MI 611-211 – October 2005 Appendix B. Configuration Table50 1 MIN Depends on Analog Output0 pHMAX 14 pHOUTPUT FAIL SIG - - -FAIL SIG OFF, ON, PUL

Appendix B. Configuration Table MI 611-211 – October 2005 51 3 CONFIG TEMP - - -TEMP UNITS - - -UNITS CELSIUS, FAHRENCELSIUSTEMP MODE - - -MODE A

MI 611-211 – October 2005 Appendix B. Configuration Table52 4 INSTRMNT STAB IND- - -STAB IND MEAS - - -MEAS ON, OFF ONON TIME If ONTIME 5 - 60 5

Appendix B. Configuration Table MI 611-211 – October 2005 53 5CONFIG BUFFERS- - - If pHBUFFERS AMERICAN, NIST, EUROPEAN, SPECIALAMERICANSPECIAL B

vi Tables 1 Product Safety Specifications ... 5 2 Recomm

MI 611-211 – October 2005 Appendix B. Configuration Table54 6 ALLDIAGS CLEAR, ENABLE,DISABLE DISABLEGLASS CLEAR, ENABLE,DISABLE, LIMIT,CUTOFF TLI

55 IndexAAmbient Temperature 4Automatic Calibration 31CChanging Data 13Configuration Table 49Controls and Indicators 11EError Mess

MI 611-211 – October 2005 IndexISSUE DATES JUN 1995 OCT 1996 JUN 1999 JUL 2004 OCT 2005Vertical lines to right of text or illustrations ind

1 1. IntroductionThe 870ITPH Intelligent Transmitter converts pH, ORP, or Ion Selective Electrode measurements to a 4 to 20 mA and/or digital out

MI 611-211 – October 2005 1. Introduction2 Figure 1. WiringFactory Default PasscodeThe factory default passcode for both minor and major passcod

1. Introduction MI 611-211 – October 2005 3 configuration. You can view one of the other two selections by using the Up and Down arrow keys. The