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Process Indicator

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Features :

  • Microprocessor based precision indicator
  • Input for 4-20mA programmable from Tx for Pressure, Humidity, pH, Temperature etc.
  • Span, Zero and resolution user programmable
  • Display user programmable from -1999 to 9999
  • 4 Digit 0.56” Bright 7 Segment LEDs
  • Offset separately programmed from front
  • Configuration lockable by rear jumper
  • Excitation voltage for loop Transmitter
  • Touch type membrane keys

Specifications :

Display : 4 Digit 0.56” Red 7 Segment LED display
Inputs : 4-20mA
Accuracy : ±0.25% of SPAN ± 1 Count
Resolution : Settable 0.000 to 0000 for linear inputs
Configuration Lock : Jumper at rear
Exciter Voltage : 24V @ 30mA for loop Tx
Power : 220V AC ± 15% @ 50/60 Hz
Ambient : 0-55C
Humidity : Up to 90% (non-condensing)
Power Consumption : 10VA
Case : 48 x 96mm Plastic ABS
Front Fascia : 48 x 96 mm
Panel Cutout : 45 x 92 mm

Directions for Usage :

  • Connect 220V AC Mains to the rear terminals as indicated. Connect Earth to Earth terminal.
  • For 2 wire transmitters, connect the +ve of the sensor to +24V. Connect the –ve of the sensor to +SIG.
  • For 3 wire transmitters, connect the sensor supply to +24V. Connect the +SIG of the sensor to +SIG marked on rear terminals. Connect the –SIG of the sensor to –SIG marked on rear terminals.
  • Under normal conditions, the process value is displayed. In order to make changes, make sure that the rear jumper on Lock terminals is in place.

Setting the Full Scale (20mA) :

  • Press the Mode Switch. The display shows “HI”. Press the Enter switch.
  • The display now shows the value of Hi. This represents the value to be displayed when an input of 20mA is given.
  • Use the Increment and Decrement switches to make changes. The range is from -1999 to 9999.
  • After changes have been made, press the Enter switch to save changes and return to the display of “HI”. Now press the Increment switch. The display shows “Lo”.

Setting the Starting Scale (4mA) :

  • The display shows “Lo”. Press the Enter Switch.
  • The display now shows the value of Lo. This represents the value to be displayed when an input of 4mA is given.
  • Use the Increment and Decrement switches to make changes. The range is from -1999 to 9999.
  • After changes have been made, press the Enter switch to save changes and return to the display of “Lo”. Now press the Increment switch. The display shows “dec”.

Setting the resolution (decimal) :

  • The display shows “Zero”. Press the Enter switch.
  • The display now shows the value of Offset. This represents the offset adjustment in the displayed value.
  • Use the Increment and Decrement switches to make changes.The range is from -250 to 250.
  • After changes have been made, press the Enter switch to save changes and return to the display of “Zero”. Now press Mode switch to return to normal display.

Setting the Offset (Zero) :

  • The display shows “Zero”. Press the Enter switch.
  • The display now shows the value of Offset. This represents the offset adjustment in the displayed value.
  • Use the Increment and Decrement switches to make changes.The range is from -250 to 250.
  • After changes have been made, press the Enter switch to save changes and return to the display of “Zero”. Now press Mode switch to return to normal display.

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