1/4 DIN Ramp/Soak Controller

CN2120

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200 Segments
90 Independent Programs
9 Linked Programs
11 Logic Inputs and 14 Digital Outputs
Real Time Clock/ Calendar Option
Universal Inputs (TC, RTD, Linear)
Wide Range of Outputs: Relay, dc Pulse, ac SSR, or Analog
Special Control Functions: Output Linearization and Split Outputs
Output Failure Detection
NEMA-4X (IP65) Face Plate

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The OMEGA™ CN2120 Ramp/Soak Controller is a fully functional controller with flexibility to meet many demanding control applications. The controller has many standard and special features that allow precise programming for any profile application.

Program
The 200 segments can be used in up to 90 programs. These programs can be linked together or run separately. For each of the programs, it is possible to:
• Use up to 99 segments
• Set program repetitions
• At the end of program, either turn on an "end of program" digital output, turn off the control outputs, set the control output to a set value, or use the last set point of the program for control.
• Set up to 14 events
• Choose one of 5 PID groups/segment
• Choose one of 10 Wait bands/segment

Real Time Clock Option: Allows for auto start program at specific time and on specific days.

Special Control Features
The CN2120 provides special programming features that will improve the control for some applications. The CN2120 has the capability of splitting the control output between 2 outputs in the "Split Range" feature. Another program feature allows use with quick opening and equal percentage type valves.

Digital Inputs
Three Digital inputs are standard on the CN2120 with options for up to 8 additional inputs. These inputs can be programmed to:
• Select between Run/Hold
• Abort a program
• Select a program
• Auto/manual selection
• Set output limit
• Reset alarm
• Reverse or direct control action

Digital Outputs
Outputs 2, 3 and 4 can be used as digital outputs. In addition, options are available for 5 or 10 additional outputs. These outputs can be programmed as:
• Break event
• Timer event
• End of cycle annunciator
• Program in Run, Hold or Wait State
• Controller in manual or auto state
• Error annunciation

T/C Type	Range °C	Range °F
B PT-30% RH/PT-6% RH	0 to 1820	32 to 3300
C 5% RE-W/ 26% RE-W	0 to 2300	32 to 4170
D W3-RE/W25-RE	0 to 2300	32 to 4170
E CHROMEGA™-CONSTANTAN	-100 to 800	-150 to 1470
G W/W26-RE	0 to 2300	0 to 4170
L J DIN	-100 to 900	-150 to 1650
J IRON-CONSTANTAN	-100 to 1000	-150 to 1830
K CHROMEGA™-ALOMEGA™	-100 to 1370	-150 to 2500
N OMEGA-P, OMEGA-N	-100 to 1400	-150 to 2550
Ni/NiMo PT-13%	0 to 1200	32 to 2190
R PT-13% RH-PT	-50 to 1760	-60 to 3200
S PT/10% RH-PT	-50 to 1760	-60 to 3200
T COPPER-CONSTANTAN	-200 to 400	-330 to 750
U T DIN	-200 to 600	-330 to 1110

Model Number	Description
CN2120-()-()	Ramp/soak profile controller
CN2121-()-()	Ramp/soak profile controller with output failure detection or potentiometer feedback (field selectable)

Outputs 1 and 2 (insert suffix) (Control, Alarm, or Event Assignable)

Suffix	Output 1	Output 2
-R1-R2	Relay	Relay
-T1-T1	ac SSR	ac SSR
-DC1-R2	dc Pulse	Relay
-DC1-DC2	dc Pulse	dc Pulse

Option

Suffix	Output 5	Output 6
-F5-F6	0 to 20, 4 to 20 mA	0 to 20, 4 to 20 mA

Power Supply Option

Suffix	Discription
-LV	24 Vac/Vdc power

Options (only one option available per unit)

Suffix	Discription
-A2	RS-485, aux. power supply
-A4	RS-485, aux. power supply, clock
-A6	RS-485, aux. power supply, 4 logic inputs, 5 digital outputs
-A7	RS-485, aux. power supply, 8 logic inputs, 10 digital outputs
-A8	RS-485, aux. power supply, 4 logic inputs, 5 digital outputs, clock
-A9	RS-485, aux. power supply, 8 logic inputs, 10 digital outputs, clock

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CN2120 Series Ramp/soak profile controller

CN2120-R1-R2-A4