4-20 mA Control/Alarm/Indicator
Model : CT-2012 ISO-9001, CE, IEC1010
LUTRON ELECTRONIC
4-20 mA Controller/Alarm/Indicator
Model : CT-2012
FEATURES
* Input : 4-20 mA DC, linear. Relay Output Number 2 relays
* User can default the desired display value between Function Relay 1 :
-1999 to 9999 ( decimal point can be selected to DP1, High/Low control relay.
DP2, DP3 ) and all the preset data will be saved into Relay 2 :
the memory circuit permanently. High/Low alarm relay.
* According the 4 to 20 mA input signal, user can preset Max load 0.5 ACA/250 ACV
the desire display value between -1999 to 9999 ( decimal 0.5 DCA/24 DCV
point can select to DP1, DP2, DP3 ). Until set the display * Do not apply the relay
value, all the data will save into the memory circuit contact load current
permanently > 0.5 A, other wise the
* When CT-2012 cooperate LUTRON's 4 to 20 mA relay may be damaged
transmitters ( or any other transmitters if it build 4 to permanently without
20 mA output signal ), whole system will become the warranty.
high performance Controller/Alarm/Indicator for * Decimal point adjustment :
following measuring functions : Humidity, Light, pH, DP1, DP2, DP3
Dissolved Oxygen, Conductivity, Vibration, Pressure, Main * Low limit of range adjustment
Sound, Temperature, RPM, Hz, Load cell ( Weight, Internal 0 mA = X X X X, min. value is -1999
Force ), Potential ( Angle, Level ). ACV, ACA, DCV, Function * High limit of range adjustment
DCA, WATT.... Selection 20 mA = X X X X, max. value is 9999
* Easy to adjust the function factors by push button * Alarm function adjustment :
on the front panel. High Alarm or Low alarm.
* Control output : 2 points ( COM, NO ). * Control function adjustment
* Alarm output : 2 points ( COM, NO ). High control or Low control.
* Control Relay will make action when the reading value * Deviation of Alarm
reach to control value. * Deviation of Control
* Hysteresis value setting for control and alarm function. * Filter value of display reading
* Large red LED display, high brightness and easy to read. * Offset adjustment.
* Microprocessor circuit ensures high accuracy and * Gain adjustment.
provides special functions and features. Default of internal function :
* DC 12V power supply output. Without advice previously, the function
* RS232/USB computer interface. of CT-2012 will preset :
* Power : 90 ACV - 264 ACV, 50/60 Hz. * 4 mA = 0, 20 mA = 9999.
* Standard 96 X 48 mm DIN case. * High control mode.
* Optional data acquisition software. * High alarm mode.
Front Panel * Control set-point value adjustment.
GENERAL SPECIFICATIONS Function * Measuring value ( Process value )
Display * 4 digits red LED, Selection offset. Use to offset the PV indication
14 mm ( 0.55 inch ) digit height from the actual PV.
* 4 indicators : * Alarm set-point value adjustment.
PV ( process value ) indicator Operating 0 to 50 ℃.
SV ( set value ) indicator Temperature
Control out indicator Operating Less than 80% R.H.
Alarm out indicator Humidity
* According the 4-20 mA input signal, Power Supply 90 to 260 ACV, 50/60 Hz.
user can preset the desire display value Power Approx. 4.7 VA/AC 110V.
between -1999 to 9999 ( decimal point Consumption Approx. 5.3 VA/AC 220V.
can select to DP1, DP2, DP3 ). Until set Weight 384 g/ 0.84 LB.
the display value, all the data will save Dimension DIN size : 96 x 48 mm.
into the memory circuit permanently Panel cut size : 92 mm x 46 mm.
Input Signal Linear, 4 to 20 mA Depth : 110 mm.
Circuit Custom chip of microprocessor LSI Accessories Instruction manual........................... 1 PC
circuit. Included Case holder with screw.....................2 PCs
Sampling Time Approx. 1 second. Optional * Data Acquisition software,
External DC 12 V, 50 mA max. Accessories SW-U801-WIN.
Power Supply * RS232 cable, UPCB-02.
Data Output RS 232 PC serial interface. * USB cable, USB-01.
* Appearance and specifications listed in this brochure are subject to change without notice. 0909-CT2012
