Omega Engineering OMG-CONV-485-ISO manual Temperature

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Where Do I Find Everything I Need for Process Measurement and Control?

OMEGA…Of Course!

Shop online at www.omega.com

TEMPERATURE

 Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies  Wire: Thermocouple, RTD & Thermistor

 Calibrators & Ice Point References

 Recorders, Controllers & Process Monitors  Infrared Pyrometers

PRESSURE, STRAIN AND FORCE

 Transducers & Strain Gages  Load Cells & Pressure Gages  Displacement Transducers  Instrumentation & Accessories

FLOW/LEVEL

 Rotameters, Gas Mass Flowmeters & Flow Computers  Air Velocity Indicators

 Turbine/Paddlewheel Systems  Totalizers & Batch Controllers

pH/CONDUCTIVITY

 pH Electrodes, Testers & Accessories  Benchtop/Laboratory Meters

 Controllers, Calibrators, Simulators & Pumps  Industrial pH & Conductivity Equipment

DATA ACQUISITION

 Data Acquisition & Engineering Software  Communications-Based Acquisition Systems  Plug-in Cards for Apple, IBM & Compatibles  Datalogging Systems

 Recorders, Printers & Plotters

HEATERS

 Heating Cable

 Cartridge & Strip Heaters  Immersion & Band Heaters  Flexible Heaters

 Laboratory Heaters

ENVIRONMENTAL

MONITORING AND CONTROL

 Metering & Control Instrumentation  Refractometers

 Pumps & Tubing

 Air, Soil & Water Monitors

 Industrial Water & Wastewater Treatment

 pH, Conductivity & Dissolved Oxygen Instruments

M3888/0303

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Contents User’sGuide Mexico CanadaBenelux Czech RepublicContents Figures Introduction Factory Default SettingsOverview What’s IncludedRS-485 Enable Modes Card SetupDip switch SW1, RS-422 Communication Mode Examples Dip switch SW1Function Line Termination and Receiver Echo Off/OnRS-422 with Termination and Receiver Echo Electrical Interface Examples Dip switch SW2Operating System Installation For Windows Users RS-485 Two-Wire and RS-485 Four-Wire Slave Installation Other Operating Systems Please Note System InstallationTechnical Description Connector Pin Assignments RS-232 Signals DB-25 FemaleRS-422/485 Pin Assignments 6 Position Screw Terminal Environmental Specifications SpecificationsPhysical Dimensions ManufacturingAppendix a Troubleshooting Appendix B How To Get Assistance RS-232 Appendix C Electrical InterfaceRS-422 RS-485 Appendix D Ground Loop Phenomenon What is Ground Loop?Cabling Recommendations Isolated AdapterAppendix E Asynchronous Communications Asynchronous Communications Bit DiagramAppendix F Silk-Screen 688Appendix G Compliance Notices WARRANTY/DISCLAIMER Temperature