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Lutron CT-2012 4-20 mA Indicator / Controller with Alarm Relays

Lutron CT-2012 4-20 mA Indicator / Controller with Alarm Relays

Brand
Lutron
Model number
CT-2012

Panel indicator for 4 to 20 mA transmitters with a scalable -1999 to 9999 display and two relay outputs for control and alarm.

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Key features

  • Input: 4-20 mA DC, linear.
  • User can default the desired display value between -1999 to 9999 (decimal point can be selected to DP1, DP2, DP3) and all the preset data will be saved into the memory circuit permanently.
  • According the 4 to 20 mA input signal, user can preset the desire display value between -1999 to 9999 (decimal point can select to DP1, DP2, DP3). Until set the display value, all the data will save into the memory circuit permanently
  • When CT-2012 cooperate LUTRON's 4 to 20 mA transmitters (or any other transmitters if it build 4 to 20 mA output signal), whole system will become the high performance Controller/Alarm/Indicator for following measuring functions: Humidity, Light, pH, Dissolved Oxygen, Conductivity, Vibration, Pressure, Sound, Temperature, RPM, Hz, Load cell (Weight, Force), Potential (Angle, Level). ACV, ACA, DCV, DCA, WATT....
  • Easy to adjust the function factors by push button on the front panel.
  • Control output: 2 points (COM, NO).
  • Alarm output: 2 points (COM, NO).
  • Control Relay will make action when the reading value reach to control value.
  • Hysteresis value setting for control and alarm function.
  • Large red LED display, high brightness and easy to read.
  • Microprocessor circuit ensures high accuracy and provides special functions and features.
  • DC 24V power supply output.
  • RS232/USB computer interface.
  • Power: 90 ACV - 260 ACV, 50/60 Hz.
  • Standard 96 X 48 mm DIN case.
  • Optional data acquisition software.

Specifications

Specifications
Display* 4 digits red LED; 14 mm ( 0.55 inch ) digit height; * 4 indicators; PV ( process value ) indicator; SV ( set value ) indicator; Control out indicator; Alarm out indicator; * According the 4-20 mA input signal, user can preset the desire display value between -1999 to 9999 ( decimal pointcan select to DP1, DP2, DP3 ). Until set the display value, all the data will save into the memory circuit permanently
Input SignalLinear, 4 to 20 mA
AccuracySpan : ± ( 0.15% + 2d ) F.S.; Zero : ± ( 0.1% + 2d ) F.S.; * F.S. : full scale
CircuitCustom chip of microprocessor LSI circuit.
Sampling TimeApprox. 1 second.
External Power SupplyDC 24 V, 50 mA max.
Data OutputRS 232 PC serial interface.
Relay OutputNumber : 2 relays; Function : Relay 1 : High/Low control relay.; Relay 2 : High/Low alarm relay.; Max load : 0.5 ACA/250 ACV; 0.5 DCA/24 DCV; * Do not apply the relay contact load current > 0.5 A, other wise the relay may be damaged permanently without warranty.
Main Internal Function Selection* Decimal point adjustment : DP1, DP2, DP3; * Low limit of range adjustment; 4 mA = X X X X, min. value is -1999; * High limit of range adjustment; 20 mA = X X X X, max. value is 9999; * Alarm function adjustment; High Alarm or Low alarm.; * Control function adjustment; High control or Low control.; * Deviation of Alarm; * Deviation of Control; * Filter value of display reading; * Offset adjustment.; * Gain adjustment.; * RS232 output unit code setting
Main Internal Function Selection (cont.)Default of internal function : Without advice previously, the function; of CT-2012 will preset : * 4 mA = 0, 20 mA = 9999.; * High control mode.; * High alarm mode.; * RS232 output unit code = 0 ( no unit ).
Front Panel Function Selection* Control set-point value adjustment.; * Measuring value ( Process value ); offset. Use to offset the PV indication from the actual PV.; * Alarm set-point value adjustment.
Operating Temperature0 to 50 °C.
Operating HumidityLess than 80% R.H.
Power Supply90 to 260 ACV, 50/60 Hz.
Power ConsumptionApprox. 3.5 VA/AC 110V.; Approx. 4.9 VA/AC 220V.
Weight384 g/ 0.84 LB.
DimensionDIN size : 96 x 48 mm.; Panel cut size : 92 mm x 46 mm.; Depth : 110 mm.
Accessories
Supplied withInstruction manual : 1 PC; Case holder with screw : 2 PCs
Optional* Data Acquisition software, SW-U801-WIN.; * RS232 cable, UPCB-02.; * USB cable, USB-01.
Accuracy
Span± (0.15% + 2d) F.S. at 23 ± 5°C

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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