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CO48

CO48 Process Totalisor

The CO48 Powered Process Totaliser is a programmable instrument that has been designed to accept pulses from open collector, hall affect, turbine meters or 24VDC voltage pulse. The input measurement is shown on either a high contrast eight (8) digit LED or LCD display.

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  • Totalise with field programmable factors
  • Flow rate display
  • Memory retention for 10 years in power down for variables
  • Contact bounce elimination circuitry
  • Low cost – High performance
  • Screw terminal electrical connection
  • High contrast LED display of 8 digit of 10mm character height or a 8 digit 9.5mm single line LCD display
  • Panel mounting
  • Isolated 24VDC @ 30mA sensor supply
  • Universal VAC 47-63 Hz supply or factory fitted 12 to 40V DC isolated supply
  • Touch switch programming of display intensity, decimal point position, scaling factor
  • Applications include adding parts on a production line and totalising events
  • EMC compliant

The instruments incorporate field programmable totalising rates and a 24VDC isolated supply for powering remote sensors. The CO48 is supplied in a panel mount 48 x 96 mm enclosure. Screw terminal electrical connection is included.

Specifications

Input Details
  • The instrument accepts an input from 0 to 2KHZ and is dip switch selectable for open collector, reed, Hall, Namur and turbine signals (from 20mV peak to peak).
Input Type sw1 sw2 sw3 sw4 Sw5 sw6 sw7 sw8
A CMOS Logic Level Off Off Off Off On Off Off off
B Open collector or reed switch Off Off Off Off On Off On off
C Namur proximity [loop supply 8VDC] Off Off On On On Off Off off
D Reed switch with debounce Off Off Off Off On Off On On
E Coil 50mV PP minimum Off On Off Off Off Off Off off
F Low impedance coil 50mV PP min. On On Off Off Off Off Off off
Output Details
  • One output relay with a normally open contact rated at 1 amp 240VAC resistive.
Display
  • The CO48 incorporates either an eight (8) digit 10mm character height (LED) or a single line backlit LCD 8 digit 9.6 mm high characters.
Decimal Point
  • Programmable from the front panel for no dp or 9999999.9
K Factor
  • This is the pulses per unit of measure. It is programmable from the front panel.
Totaliser Memory
  • The instrument incorporates a running and a background total.
Reset
  • This is done by connecting a normally open push button between terminals 1 and 6.
Environmental Parameters
  • 0-70 degrees Celsius.
  • 0-90% rh non-condensing.
Connection Details
Terminal 1:Input 0VDC (-) Terminal 7:relay one normally open contact
Terminal 2:Input minus (-) Terminal 8:relay one normally closed contact
Terminal 3:Input plus (+) Terminal 9:relay one common contact
Terminal 4:24VDC loop supply (+) Terminal 10:VAC active or VDC (+) supply
Terminal 5: reset Terminal 11:VAC neutral or 0VDC (-) supply
Terminal 6: not used Terminal 12:Ground supply
Instrument Power Supply
  • 85 to 265VAC 47-63 Hz or DC to DC converter isolator from 9 -36VDC.
Transducer Power Supply
  • A 24VDC at 30mA transducer power supply is incorporated in the instrument.
Weight
  • 400 grams.
Mounting Details
  • Panel mounting aluminium enclosure of case dimensions 96 mm wide by 48 mm high by 110 mm deep with a panel cut out of 90 mm wide by 43 mm high.
Configuration of the Instrument
  • The display intensity, decimal points, scaling factor and output relay are programmed by the front touch buttons and the values are stored in eeprom for 10 years.
Ordering Information
  • Model/input signal/display units/power supply/options.
  • Sample number:
  • CO48/CC24/0-99999999/240VAC/LED
  • CO48/CC24/0-99999999/240VAC/LCD
  • All units shipped factory calibrated to a scaling factor of 1 to 1 unless specified.
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