User ManualTable of ContentsDESCRIPTION AND SPECIFICATIONS1Features and Applications1Specifications2Hazardous Location Approval3Transmitter display during Calibration and Programming5Infrared Remote Controller5FOuNdATION Fieldbus5General Specifications5HART Communications6Asset Management Solutions7INSTALLATION9unpacking and Inspection9Pre-Installation Set up9Orienting the display Board11Mechanical Installation11Power Supply/Current Loop Wiring for Model 5081-P-HT14Power Supply Wiring for Model 5081-P-FF15wIRING16General Information16Wiring diagrams17INTRINSICALLy SAFE AND ExPLOSION PROOF INSTALLATIONS31Intrinsically Safe and Explosion-Proof Installations for 5081-P-HT32Intrinsically Safe and Explosion-Proof Installations for 5081-P-FF40Intrinsically Safe and Explosion-Proof Installations for 5081-P-FI48OPERATION wITH REMOTE CONTROLLER55Overview55displays56Infrared Remote Controller (IRC) — Key Functions57Menu Tree - pH58diagnostic Messages - pH58Menu Tree -ORP60diagnostic Messages - ORP60Security62OPERATION wITH MODEL 37563Note on Model 375 or 475 HART Communicator63Connecting the HART Communicator63Operation64CALIBRATION OF pH MEASUREMENTS69General69Entering and Leaving the Calibrate Menu69using the Hold Function69Temperature Calibration70Auto Calibration71Manual Calibration73Making the Transmitter Reading Match a Second pH Meter (Standardization)75PROGRAMMING FOR pH MEASUREMENTS77General77Entering and Leaving the Program Menu77Output Ranging79diagnostic Parameters80Temperature Related Settings84display units86Buffer Calibration Parameters87Isopotential Parameters89Generating a Test Current91CALIBRATION OF ORP MEASUREMENTS92General92Entering and Leaving the Calibrate Menu92using the Hold Function92Temperature Calibration93Standardization94PROGRAMMING FOR ORP MEASUREMENTS95General95Entering and Leaving the Program Menu95Output Ranging97Temperature Element99display units100diagnostic Parameters101Generating a Test Current104MAINTENANCE105Overview105Transmitter Maintenance105pH Sensor Maintenance106ORP Sensor Maintenance108Calibration108TROUBLESHOOTING109Warning and Fault Messages109Calibration Errors110Troubleshooting - General110Troubleshooting When a diagnostic Message is Showing110Troubleshooting When No diagnostic Message is Showing122displaying diagnostic Variables127Testing the Transmitter by Simulating pH127Factory Assistance and Repairs130pH MEASUREMENTS131General131Measuring Electrode132Reference Electrode132Liquid Junction Potential133Converting Voltage to pH133Glass Electrode Slope134Buffers and Calibration134Isopotential pH135Junction Potential Mismatch135Sensor diagnostics136Shields, Insulation, and Preamplifiers136ORP MEASUREMENTS137General137Measuring Electrode138Reference Electrode138Liquid Junction Potential138Relating Cell Voltage to ORP139ORP, Concentration, and pH139Interpreting ORP Measurements140Calibration142THEORy — REMOTE COMMUNICATIONS143Overview of HART Communications143HART Interface devices143Asset Management Solutions144RETURN OF MATERIAL145Transmitter display during Calibration and Programming5Infrared Remote Controller5Configuring Model 5081 Transmitter with FOuNdATION Fieldbus6HART Communicator7AMS Main Menu Tools8Mounting the Model 5081-P pH/ORP Transmitter on a Flat Surface12using the Pipe Mounting Kit to Attach the Model 5081-P pH/ORP to a pipe13Load/Power Supply Wiring14Model 5081-P-HT Power Wiring details14Typical Fieldbus Network Electrical Wiring Configuration15Model 5081-P-FF Power Wiring details15Wiring and Preamplifier Configurations for pH and ORP Sensors16before removing BNC and terminating cable20399-09-10-62, 381pH-30-42, and 381pHE-31-42 as received20389-02-50, and 389-02-54 before removing BNC and terminating cable21Functions for Models 397-54-62, 396-02-62, and 389-02-54-62 as received21Transmitter21Wiring Through a Remote Junction Box to the Transmitter21396P-05-55, 385+-04, and 385+-41-5222396P-05-55, 385+-04, and 385+-41-52. Wiring directly to the Transmitter22Junction Box to the Transmitter22Wire Functions for Model 328A-0724Wiring diagram for Models 328A and 385+-0224Wiring diagram for Model 385+-0224Wiring diagram for Model 320HP-10-5525Wiring diagram for Model 320HP-10-5825Connection to the Model 5081-P pH/ORP Transmitter26Preparation of Raw Connecting Cable27Model 5081-P-HT Infrared Remote Control — CSA, FM, & ATEX approvals31Model 5081-P-FF Infrared Remote Control — CSA, FM, & ATEX approvals31FM Explosion-Proof Installation for Model 5081-P-HT32FM Intrinsically Safe Label for Model 5081-P-HT33FM Intrinsically Safe Installation for Model 5081-P-HT34CSA Intrinsically Safe Label for Model 5081-P-HT36CSA Intrinsically Safe Installation for Model 5081-P-HT37ATEX Intrinsically Safe Label for Model 5081-P-HT39FM Explosion-Proof Installation for Model 5081-P-FF40FM Intrinsically Safe Label for Model 5081-P-FF41FM Intrinsically Safe Installation for Model 5081-P-FF42CSA Intrinsically Safe Label for Model 5081-P-FF44CSA Intrinsically Safe Installation for Model 5081-P-FF45ATEX Intrinsically Safe Label for Model 5081-P-FF47FM Intrinsically Safe Label for Model 5081-P-FI48FM Intrinsically Safe Installation for Model 5081-P-FI49CSA Intrinsically Safe Label for Model 5081-P-FI51CSA Intrinsically Safe Installation for Model 5081-P-FI52ATEX Intrinsically Safe Label for Model 5081-P-FI54FOuNdATION Fieldbus55Process display Screen56Program display Screen56Infrared Remote Controller57pH Menu Tree for Model 5081-P-HT58pH Menu Tree for Model 5081-P-FF59ORP Menu Tree for Model 5081-P-HT60ORP Menu Tree for Model 5081-P-FF61Connecting the HART Communicator635081-P-HT HART / Model 375 Menu Tree65Suggested Glass Impedance Warning and Failure Limits80Electrode101Checking the Potential of the Reference Electrode107Warning Annunciation109Fault Annunciation109Three-Wire RTd116Temperature Simulation into the Model 5081-P pH/ORP Transmitter116pH Simulation When the Preamplifier is Located in the Transmitter128in a Sensor-Mounted Junction Box128Simulate pH Through Model 381+ Sensor Preamplifier129pH Measurement Cell131Measuring Electrode (pH)132Cross-Section Through the pH Glass132Reference Electrode133The Origin of Liquid Junction Potential133Glass Electrode Slope134Two-Point Buffer Calibration136Liquid Junction Potential Mismatch136ORP Measurement Cell137Measuring Electrode (ORP)138Reference Electrode138The Origin of Liquid Junction Potential139Electrode Potential139ORP Measurement Interpretation140HART Communications143AMS Main Menu Tools144Wiring diagrams for Model 399 Sensors17Wiring diagrams for Model 397 Sensors17Wiring diagrams for Model 396R Sensors17Wiring diagrams for Model 396P Sensors18Wiring diagrams for Model 396 Sensors18Wiring diagrams for Model 389 Sensors18Wiring diagrams for Model 385+ Sensors19Wiring diagrams for Model 381+ Sensors19Wiring diagrams for Model 381pHE and 381pH Sensors19Wiring diagrams for Model 328A Sensors19Wiring diagrams for Model 320HP Sensors19pH Settings List78pH Values are defined87which pH Values are defined88ORP Settings List96Replacement Parts for Model 5081-P pH Transmitter106RTd Resistance Values116tESt 3.80 to 22 mA 12.00 mA78tESt 3.80 to 22.00 mA 12.00 mA96Size: 5.22 MBPages: 156Language: EnglishOpen manual