• CO8WP

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    CO8WP

    Process Totalisor

    The CO8WP Powered Process Totaliser is a 85 to 240VAC or 10-40VDC powered microprocessor based totaliser that incorporates an eight (8) digit 25mm digit height light emitting diode (LED) display in a weatherproof surface mount enclosure. The instrument can be configured to count up/down, elapsed time, time of day clock, events or totalise flow with programmable K factor. It accepts a pulse input from a dry contact closure, proximity switch, photo-electric switch, and open collector transistor or 24VDC source. The count value is maintained during loss of power for a minimum period of ten years in eeprom.



      • Memory retention in power down for 10 years
      • surface mount IP65 weatherproof enclosure
      • Applications include count up/down totaliser and time date display 
      • 85 or 240VAC 47-63 Hz supply or factory fitted 10 to 36dc supply 
      • Low cost - High performance 
      • Screw terminal electrical connection
      • Count up and down
      • Real time clock for time and date
      • High contrast LED display of 8 digit 25mm digit height
      • Surface mounting IP65 weatherproof enclosure
      • 5 to 22VDC adjustable loop supply
      • Touch switch programming of display intensity, decimal point and K factor


      The CO8WP Powered Process Totaliser is an advanced instrument that has been designed to accept pulses from dry relay contacts, open collector flow meters, photo electric switches and 5 to 24VDC source. The input measurement is shown on a high contrast 8 digit LED display.

      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

      • An output relay is provided with form C contacts rated at 5 amps 240VAC resistive.

      Display

      • Eight (8) digit 25mm digit height high contrast light emitting diode (LED) with a wide viewing angle and a viewing distance of 7.5 metres.

      Count Integrity

      • Contact bounce elimination circuitry enable error free counting even in the most difficult application. The count value is stored in eeprom.

      Reset

      • 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 Common (-)

      Terminal 9: not used

      Terminal 2:Input 1 minus (-) Count up

      Terminal 10:Relay one normally open contact

      Terminal 3:Input 1 plus (+) Count up

      Terminal 11:Relay one  normally closed contact

      Terminal 4: Input 2 minus (-) Count down 

      Terminal 12:Relay one common contact

      Terminal 5: Input 2 plus (+)Count down 

      Terminal 13:not used

      Terminal 6: 5 to 20VDC sensor supply

      Terminal 14:85 to 265VAC/24VDC active supply:

      Terminal 7:Reset

      Terminal 15: VAC neutral or 0VDC supply (-)

      Terminal 8: Open collector pulse output per litre

      Terminal 16:Ground supply


      Instrument Power supply

      • 85 to 240VAC 47-63 Hz or factory fitted DC to DC converter isolator from 12 to 40VDC.

      Transducer Power Supply

      • There is a 5 to 22VDC at 30mA adjustable power supply is incorporated in the instrument.

      Weight

      • 400grams.

      Mounting Details

      • Surface mounting weatherproof enclosure of case dimensions 230mm wide by 140mm high by 95mm deep with fixing centres of 212mm wide by 122mm high.

      Ordering Information

      • Model/input signal/display units/power supply.