Emerson IP258 manual Smart Communication with the Mobrey MSM400

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2.0SMART COMMUNICATION WITH THE MOBREY MSM400

With a SMART HHC, you can make adjustments and calibrate your MSM400 at any point on the two wire connection to the control unit. You can also make many other adjustments and obtain operational and diagnostic information using the HHC.

Alternatively, Mobrey have a PC based software package called Mobrey H-View which allows you to make adjustments and obtain readings through a standard PC. Contact Mobrey or your local agent for details.

If you have a Mobrey type CK HHC (Psion Organiser based) and the appropriate datapak, refer now to Appendix D for details of assembly, connection and menu structure before reading on to the specific adjustments listed below.

If you have another type of SMART communicator or computer based software tool, you must ensure that the MSM400 Device Description (DD) is correctly loaded or compiled to gain access to all of the MLT parameters. If you do not have the MSM400 DD loaded, you will only be able to access the Universal and Common Practice commands.

Contact or any other HART Host Subscriber to update your communication device with the latest MSM400 DD.

The MSM400 control unit is a SMART instrument using the HART protocol to communicate with external devices.

The Mobrey HHC is a hand-held organiser based communication device fitted with a HART interface to allow communication with Mobrey HART instruments.

By connecting the HHC across the two wire loop at any point downstream of the minimum 250 Ohm loop resistance, communication can be established. The MSM400 has integral test pins provided for this purpose. Refer to Appendix D3.0 for details of HHC connection and operation.

The following paragraph details how to re-range and change damping using the HHC once communication with the MSM400 has been established.

2.1Calibration adjustments at operating conditions.

Important note : Making changes to the position or span of the 4-20mA range with a communicator can cause the control unit to make step changes in the output. You should arrange to set your plant control loop to “Manual” before making changes if this could be a problem.

4mA point – from the “Program” menu / “Calibrate” sub-menu, access Parameter P500. The factory default value is “0”.

Enter the desired new value of the PV (Process Value), normally the sludge level in % solids, required to give a 4mA output, and confirm when prompted by pressing the “exe” key that this is correct. The new value is now entered and saved.

Note, the 4mA point can be positioned above the 20mA point to reverse the operation of the control unit, thus giving a falling current output with rising sludge level.

20mA point – from the “Program” menu / “Calibrate” sub-menu, access Parameter P501. The factory default value is “A”. This represents “Automatic” and in this case means that the 20mA point is automatically set to the maximum range of the control unit.

Enter the desired new value of the PV (Process Value), required to give a 20mA output, and confirm when prompted by pressing the “exe” key that this is correct. The new value is now entered and saved.

Damping – from the “Program” menu / “Engineer” sub-menu, access parameter P625. The factory default value is 5s.

Enter the desired new value in seconds and press “exe” to confirm and save the new value.

IP258

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Contents Mobrey Contents Safety Precautions Sensor Connection IVE Neutral Earth Mains DisplayENT Product Description Product Introduction MSM400 Slurry Monitoring SystemUltrasonic Attenuation versus Suspended solids Slurry CharacteristicsMobrey Pipe Section Sensors Suspended Sensor Type MSM433Sensor Type Numbering System Control Unit MSM400 Displays and KeypadKeypad Operation SPECIFICATIONS--MSM400 HartEMC Pipe Section Installation Suspended Sensor InstallationPreliminary Checks Control Unit Sensor CablesTerminal Label Function Current Output Hart Connections and Jumper SettingsSensor Connections RelaysSafety Precautions Initial Power UPMains Supply Toggle RUN Calibration Setup Monitor Main Menu Toggle RUN Calibration SetupToggle RUN Diagnostic Parameters EX-FACTORY System FeaturesZero Setting Initial Zero Rechecking Zero Calibration Methods Auto CAL Auto CAL Zero Setting ProcedureClear Liquor Press ENT To set 23.1dB 26.2dB Autocal Span Setting ProcedureAuto CAL LAB Values Sample Press ENT to set 33.6dB 44.2dBCalibration Method 1-SLURRY Type Zero Setting ProcedureMaximum % Solids Span CALIBRATION/GRADIENT MethodsAttenuation VALUE-METHOD Duty Mode Desludge Mode No. of operation Set Default value Max value Hrs & minsStart on Stop on Stop if Do not start if INPUT↓ Output Start Time #1 hm 730 P254 Relay Operation Outputs Current OutputDisplay option parameter number Description AlarmMiddle Display ←−−−−−−− Lower DisplaySettings Engineering Frequency SETSystem Test Current Output Sensors Hart Smart CommunicationsAppendix A1 Main Menu SUB Menu Parameter DescriptionPar No Engineering Alarm ReportDiagnostics LoggingParameter Description Min Max Default ValueMSM400 Monit Parameter Description Min Max Default ValueFrom list 3.6/21mA/hold last reading Min Max Default Value Ex-Factory Manufacturer’s Code Hart Considerations Appendix A3 Hart and Psion Operating InstructionsSmart Communication with the Mobrey MSM400 Calibration adjustments at operating conditionsFurther customisation using the Smart HHC Handheld Communicator Mobrey CK Hand Held Communicator Assembly InstructionsFig DII. Loop diagram Fig D1 MOBREY-CK* HHC assembly How to connect the Smart Communicator Hand Held Communicator Operation How to drive a Psion based Smart Communicator Mobrey Find Save Diary Calc Time Notes World AlarmTAG Tank D7.0 Introduction and Function menu HelpD7.2 Program Parameters P D7.1 Monitor/Display Parameters DSafe Register Default RegisterMode KEY Working RegisterHand Held Communicator Registers Select Data Source Display of Parameter Data 10.0ERROR Messages on the HHC10.1Alarm and Error Messages Printout or PC transfer of MSM400 programme data10.2Invalid Data Entry Invalid Action not the Same Instrument Password not OpenInstrument in Multidrop Mode 10.3Communication ErrorsD0 D8 11.0Current Loop Checks and Trimming Current Output ** Set current Trim-maximum Trim-maximum12.0Unknown Instrument Current and USE ↑ & ↓ To Trim the Output13.3Use of multiple Smart Communicators D13.0 Smart Interfaces Compatibility D13.1 IntroductionEmerson Process Management Rosemount Measurement

IP258 specifications

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