Emerson 4000 manual Hart/Ams, Overview, Hart Communicator Signal Line Connections

Page 97

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

SECTION 7 HART/AMS

7-1 OVERVIEW

The HART Communicator is a handheld com- munications interface device. It provides a common communications link to all microproc- essor-based instruments that are HART com- patible. The handheld communicator contains an 8 21 character liquid crystal display (LCD) and 25 keys. A pocket-sized manual, included with the HART Communicator, details the spe- cific functions of all the keys.

To interface with the Oxymitter 4000, the HART Communicator requires a termination point along the 4-20 mA current loop and a minimum load resistance of 250 ohms between the com- municator and the power supply. The HART Communicator accomplishes its task using a frequency shift keying (FSK) technique. With the use of FSK, high-frequency digital communica- tion signals are superimposed on the 4-20 mA Oxymitter 4000 current loop. The communicator does not disturb the 4-20 mA signal since no net energy is added to the loop.

The HART Communicator may be interfaced with a personal computer (PC), providing spe- cial software has been installed. To connect the HART Communicator to a PC, an interface adapter is required. Refer to the proper HART Communicator documentation in regard to the PC interface option.

7-2 HART COMMUNICATOR SIGNAL LINE CONNECTIONS

The HART Communicator can connect to the Oxymitter 4000 analog output signal line at any wiring termination in the 4-20 mA current loop. There are two methods of connecting the HART Communicator to the signal line. For applica- tions in which the signal line has a load resis- tance of 250 ohms or more, refer to method 1. For applications in which the signal line load resistance is less than 250 ohms, refer to method 2.

a.Method 1, For Load Resistance 250 Ohms

Refer to Figure 7-1and the following steps to connect the HART Communicator to a signal line 250 ohms or more of load resistance.

Explosions can result in death or seri- ous injury. Do not make connections to the HART Communicator's serial port, 4-20 mV signal line, or NiCad recharger jack in an explosive atmosphere.

Using the supplied lead set, connect the HART Communicator in parallel to the Oxymitter 4000. Use any wiring termination points in the analog output 4-20 mA signal line.

b.Method 2, For Load Resistance

<250 Ohms

Refer to Figure 7-2and the following steps to connect the HART Communicator to a signal line with less than 250 ohms load resistance.

Explosions can result in death or seri- ous injury. Do not make connections to the HART Communicator's serial port, 4-20 mA signal line, or NiCad recharger jack in an explosive atmosphere.

1.At a convenient point, break the analog output 4-20 mA signal line and install the optional 250 ohm load resistor.

2.Plug the load resistor into the loop connectors (located on the rear panel of the HART Communicator).

Rosemount Analytical Inc. A Division of Emerson Process Management

HART/AMS 7-1

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Contents IB-106-340 Rev December OxymitterEssential Instructions Effective December, 2003 Rev Highlights of ChangesSummary Highlights of Changes Oxymitter Table of ContentsStartup and Operation of Oxymitter 4000 with LOI Oxymitter 4000 Gas Connections Calibration Gas Connections List of Illustrations11-3 List of Tables11-5 11-1Definitions PrefaceOxymitter Belangrijk Vigtigt Oxymitter Tärkeää Oxymitter Wichtig Importante Viktig Oxymitter Oxymitter Viktigt Oxymitter July 1 Ceramic Fiber Products Material Safety Data SheetSection II. Physical Data Section V. Health Hazard Data Section VI. Reactivity Data Section VII. Spill or Leak Procedures Section IX. Special Precautions Oxymitter Oxymitter 4000 with Remote Imps 4000 Option What YOU Need to KnowOxymitter Remote Electronics with Integral SPS Option Use this Quick Start Guide if Can YOU USE the Following Quick Start GUIDE?Quick Start Guide For Oxymitter 4000 Systems Oxymitter 4000 with SPS 4000 Wiring Diagram Performing a Manual Calibration with a Membrane Keypad Quick Reference Guide Manual Calibration InstructionsTechnical Support Hotline Hart Communicator Fast KEY SequencesComponent Checklist of Typical System Package Contents Section Description and SpecificationsSystem Overview Typical System Package Remote Mounted Oxymitter Integrally MountedMembrane Keypad Model 751 LCD Display Panel Control Room Asset Management Solutions Line Voltage Imps 4000 Multiprobe StandardAutocalibration Option SPS 4000 Single Probe Autocalibration OptionCalibra SPS 4000 Optional Imps 4000 OptionalMounting Components FigureRear View of Manifold only Front ViewProbe Options Model 751 Remote Powered Loop LCD DisplayDiffusion Elements Abrasive Shield Assembly 13. Hastelloy Cup-Type Diffusion AssemblyView a Specifications Oxymitter Nema 4X IP56 100% relative humidityIn. NPT 90 to 250 VAC, 50/60 HzCode Sensing Probe Type Product MatrixPart Number Description Calibration Components3D39695G02 3D39695G013D39695G03 3D39695G04Mechanical Installation Section InstallationSelecting Location Oxymitter 4000 Probe Installation Oxymitter 4000 Remote Electronics Installation Vertical Mounted SPS 4000 a Horizontal Mounted SPS 4000 aOxymitter 4000 with Abrasive Shield Oxymitter 4000 Adapter Plate Dimensions Oxymitter 4000 Adapter Plate Installation Oxymitter 4000 Abrasive Shield Bracing Installation Installation with Drip Loop and Insulation Removal Remote Electronics InstallationConnect Line Voltage All wiring must conform to local and national codesIntegral Electronics Install Interconnecting Cable Probe WALL-MOUNTED Electrical Installation for Oxymitter 4000 with SPS Not Used Line Connect 4-20 mA Signal Wiring Connect Relay Output WiringPneumatic Installation for Oxymitter 4000 Without SPS Reference Air Package13. Air Set, Plant Air Connection Oxymitter 4000 with SPS Pneumatic Installation forImps 4000 Connections Oxymitter Verify Mechanical Installation Section Configuration of Oxymitter With Membrane KeypadVerify Terminal Block Wiring GeneralSW2 Verify Oxymitter 4000 ConfigurationModel 751. The loop-driven LCD display Heater T/C Diagnostic Calibration Handshake Signal AlarmLogic I/O Configuration as set at HART/AMS or LOI Mode Logic I/OMA Signal Upon Critical Alarm Recommended ConfigurationCalibration Oxymitter Electronics Housing Terminals and LOI Section Configuration of Oxymitter 4000 with LOIVerify Oxymitter 4000 Configuration Defaults Oxymitter 4000 with LOI Logic I/O Recommended Configuration Oxymitter General Operation Power UPIs an error in the system, one of these Diagnostic Alarm LEDS. If thereTROUBLESHOOTING. Case of multiple errors, only oneO2 0.00% LK warm up 367dgC Section Startup and Operation Oxymitter 4000 with LOIO2 2.59% LK normal Start UP Oxymitter 4000 CalibrationLockout LOI FeaturesData LOI Menu TreeSYSTEM/Calibration Setup Oxymitter 4000 Setup AT the LOISYSTEM/Parameters SYSTEM/Input/OutputSYSTEM/Status LOI InstallationSYSTEM/Software Sensor DataOxymitter 4000 Test Points Model 751 Remote Powered LoopTP3 and TP4 monitor the heater thermo TP1 and TP2 monitor the oxygen cellSignal Line Connections, ≥ 250 Ohms Load Resistance HART/AMS Hart Communicator Signal Line ConnectionsOverview Method 1, For Load Resistance ≥ 250 OhmsLogic I/O Configuration Mode Logic I/O ConfigurationsHart Communicator PC Connections OFF-LINE and ON-LINE OperationsMenu Tree for HART/AMS on the Oxymitter 4000 Sheet 1 Menu Tree for HART/AMS on the Oxymitter 4000 Sheet 2 Menu Tree for HART/AMS on the Oxymitter 4000 Sheet 3 Complete CAL Recommended Apply GAS GAS 1 Flow Hart Communicator Manual O2 CAL MethodFrom the Detailed Setup screen, select From the Device Setup screen, selectDefining a Timed Calibration VIA Hart Oxymitter 100 Section TroubleshootingEMFmV 16.1 18.4 21.1 23.8 27.2 31.2 36.0Alarm Indications Identifying and Correcting Alarm Alarm ContactsIndications with Membrane Keypad LED Flashes Status MA Line Fault ClearingFault 1, Open Thermocouple Alarms O2 T/C OpenKeypad LOIFault 2, Shorted Thermocouple Alarms O2 T/C ShortedFault 3, Reversed Thermocouple Wiring or Alarms O2 T/C ReversedFaulty PC Board Fault 4, A/D Comm Error Alarms ADC ErrorFault 5, Open Heater Alarms O2 Heater OpenFault 6, High High Heater Temp Alarms Very Hi O2 TempFault 7, High Case Temp Alarms Board Temp HiFault 8, Low Heater Temp Alarms O2 Temp LowFault 9, High Heater Temp Alarms O2 Temp HiFault 10, High Cell mV Alarms O2 Cell OpenFault 11, Bad Cell Alarms O2 Cell BadFault 12, Eeprom Corrupt Alarms EEprom CorruptFault 13, Invalid Slope Fault 14, Invalid Constant Fault 15, Last Calibration Failed Alarms Calib FailedProbe passes calibration, but still appears to read low Probe passes calibration, but still appears to read highHow do I detect a plugged diffuser? Can I calibrate a badly plugged diffuser? SPS 4000 TroubleshootingSPS 4000 Fault Finding Symptom Check Remedy 19. SPS 4000 Troubleshooting Flowchart Sheet 1 Symptom no Test GAS Flow19. SPS 4000 Troubleshooting Flowchart Sheet 2 Calibration Oxymitter 4000 with a Membrane Keypad Section Maintenance and ServiceTion menu Start Calib from the CalibraManual Calibration AlarmsOxymitter CALIBRATION/ Start Calibration Apply Gas Hit E when readyFlow Gas 1xxxxs Read Gas 1xxxxs Done Gas PurgexxxxsReplace Oxymitter 4000 RepairOxymitter 4000 with Integral Electronics, Exploded View Remote Electronics Oxymitter Electronic Assembly Fuse Replacement Figure Electronic Assembly ReplacementTerminal Block Replacement Heater Strut Replacement Entire Probe Replacement Excluding Probe HeadHeater Strut Assembly Cell Replacement Probe to Probe Head Assembly Remote Electronics OnlyOxymitter 11. Ceramic Diffusion Element Replacement Oxymitter SPS 4000 Maintenance and Component Replacement Board Replacement 13. SPS 4000 Manifold Assembly Pressure Switch Replacement Solenoid ReplacementInterface Board Power Supply BoardPressure Regulator Optional Maintenance Check Valve ReplacementFlowmeter Adjustments Flowmeter Replacement 15. Calibration Gas and Reference Air Components Value to begin migrating back to the process value Calibration Record For Rosemount Analytical In Situ O2 ProbeSection Return of Material Oxymitter Replacement Parts for Probe Section Replacement PartsFigure and Index No No Dust Seal Description Replacement Parts for Probe Part NumberCell Replacement Kit Oxymitter Probe Disassembly Kit Replacement Parts for Electronics Replacement Parts for Calibration Components Replacement Parts for SPSOxymitter Asset Management Solutions AMS Section Optional AccessoriesHart Handheld 275/375 Communicator BY-PASS PackagesSPS 4000 Single Autocalibration Sequencer Imps 4000 Intelligent Multiprobe Test GAS SequencerOxymitter Catalyst Regeneration O2 Calibration GASOxymitter Section Index Fuse, 8-22, 8-23, 9-18 Warranty Oxymitter Serial no Order no
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4000 specifications

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