Product Description

Lutron CT-2012 4-20 mA Control/ Alarm/ Indicator

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Features Lutron CT-2012 4-20 mA Control/ Alarm/ Indicator

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 12V power supply output
RS232/USB computer interface
Power : 90 ACV – 264 ACV, 50/60 Hz
Standard 96 X 48 mm DIN case
Optional data acquisition software

Specifications Lutron CT-2012 4-20 mA Control/ Alarm/ Indicator

Display:
º 4 digits red LED, 14 mm ( 0.55 inch ) digit height
º 4 indicators :
* PV ( process value ) indicator
* SV ( set value ) indicator
* Control out indicator
* Alarm out indicator
º According the 4-20 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
Input Signal: Linear, 4 to 20 mA
Circuit: Custom chip of microprocessor LSI circuit
Sampling Time: Approx. 1 second
External Power Supply: DC 12 V, 50 mA max
Data Output: RS 232 PC serial interface
Relay Output:
º Number: 2 relays
º Function:
* Relay 1 : High/Low control relay
* Relay 2 : High/Low alarm relay
º Max load:
* 0.5 ACA/250 ACV
* 0.5 DCA/24 DCV
Main Internal Function Selection:
º Decimal point adjustment : DP1, DP2, DP3
º Low limit of range adjustment 0 mA = X X X X, min. value is -1999
º High limit of range adjustment 20 mA = X X X X, max. value is 9999
º Alarm function adjustment : High Alarm or Low alarm
º Control function adjustment High control or Low control
º Deviation of Alarm
º Deviation of Control
º Filter value of display reading
º Offset adjustment
º Gain adjustment
º 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
Front Panel Function Selection:
º Control set-point value adjustment
º Measuring value ( Process value ) offset. Use to offset the PV indication from the actual PV
º Alarm set-point value adjustment
Operating Temperature: 0 to 50 ℃
Operating Humidity: Less than 80% R.H
Power Supply: 90 to 260 ACV, 50/60 Hz
Power Consumption:
º Approx. 4.7 VA/AC 110V
º Approx. 5.3 VA/AC 220V
Weight: 384 g/ 0.84 LB
Dimension:
º DIN size : 96 x 48 mm
º Panel cut size : 92 mm x 46 mm
º Depth : 110 mm