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Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA…Of Course!

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 Gauges

  Load Cells & Pressure Gauges

  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

M2614/0197

Summary of Contents for DRA-RTM-8

Page 1: ...DRA RTM 8 ANALOG MULTIPLEXER User sGuide http www omega com e mail info omega com...

Page 2: ...02 Certified Broughton Astley Leicestershire Irlam Manchester LE9 6TU England M44 5EX England Tel 44 1455 285520 Tel 44 161 777 6611 FAX 44 1455 283912 FAX 44 161 777 6622 Toll Free in England 0800 48...

Page 3: ...XER 7 CONNECTING Pt 100 TO THE MULTIPLEXER 8 CONNECTING THE MULTIPLEXER TO A PLC 9 CONTROL 9 1 Enable 9 2 Address 9 3 Address Polarity 9 4 Control Tables 10 CALIBRATION 10 1 Calibration Procedure 10 2...

Page 4: ...e fastening tab facing down Using a suitable flat screwdriver loosen the tab slightly and attach the unit to the rail Once the tab is loosened ensure that the unit is fastened securely in place 3 REPL...

Page 5: ...e return for all the current channels It is possible to connect any current source as long as a closed loop is maintained Figure 1 6 CONNECTING TRANSMITTERS TO THE MULTIPLEXER 6 1 TWO WIRE TRANSMITTER...

Page 6: ...e transmitter connection WARNING NEVER apply 24Vdc to the DRA RTM 8 s Io terminal as in two wire connection and make sure that the PLC s analog module is configured as a passive input 9 CONTROL The DR...

Page 7: ...1 and 1111 selects channel 16 Moving the jumper to the second alternative reverses the logic Figure 6 Note If the address contros voltages are generated from different power supplies then its negativ...

Page 8: ...temperature at which the output current is 20mA Tspan is the difference between Tmax and Tmin 10 1 CALIBRATION PROCEDURE a Remove the terminal strips to get access to the coarse calibration switches...

Page 9: ...206 205 272 270 338 336 404 401 470 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 CHANNELS 5 8 SW2 SW3 SW1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 10 2 2 SPAN COARSE CALIBRATION TABLES SPAN...

Page 10: ...rent Input CONTROL INPUTS Logic Logic Levels OUTPUT SWITCHING TIME INDICATORS SUPPLY VOLTAGE SUPPLY CURRENT CONSUMPTION FUSE TEMPERATURE STABILITY OPERATING TEMPERATURE STORAGE TEMPERATURE HUMIDITY HO...

Page 11: ...EGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to...

Page 12: ...Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipm...

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