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1/16 DIN Temperature Process Controller Including Thermistor Inputs

Item# CN243

In stock

Lead Time ( If not in Stock): 0 week

1/16 DIN Temperature Process Controller Including Thermistor Inputs CN243 CN243
CN243-R1-F2 is rated 4.0 out of 5 by 1.
  • y_2019, m_10, d_16, h_1
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  • Dual Display
  • J, K, R, S Thermocouple Inputs
  • Process Inputs
  • RTD and Thermistor Inputs
  • Alarm Functions
  • On/Off or PID control
  • 3 Step Ramp Soak Feature
  • Autotune
  • Digital Input
  • Password Protection
  • 24 to 230 Vac/Vdc
  • Optional RS485
  • Optional Software with Configuration Module
  • Optional Heater Loop Break Alarm
5 Year Warranty

Product Specs

  • Analog Voltage Input Ranges 0 to 10 Vdd
  • Communication Protocols (Sku Variant) RS485 Optional
  • Analog Current Input Ranges 4 to 20 mA
  • Analog Input Accuracy ±0.5°C temperature
  • Control/Alarm Outputs, Maximum 4
  • Control/Alarm Outputs, Standard Outputs: 2 or 3 Relays: 5 A to 250 Vac (resistive) DC Pulse: 12 Vdc
  • Control Algorithms Autotune PID
  • Control Mode On/Off with hysteresis
  • Display Color Red/Green
  • Display Digit Height 10 mm green (SV)
  • Maximum Ambient Humidity 95 RH%
  • Maximum Ambient Temperature 45 {C} (113 {F})
  • Minimum Ambient Humidity 35 RH%
  • Measurement Type Temperature
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Number of Display Lines (Sku Variant) 2
  • Other Features (Sku Variant) Digital Input Password Protection
  • RTD Connection 3 wire
  • Remote Setpoint Capability Yes
  • RTD Curves Supported 385
  • RTD Types Supported 3-Wire RTD (Pt100
  • Supply Frequency 50/60 Hz
  • Sampling Rate Programmable
  • Thermistor Types Supported (Sku Variant) PTC1K
  • Thermocouple Type J

Temperature Controller with Thermistor Inputs that allows you to monitor and control temperature or process applications with precision. The CN243 Series provides dual LED displays for local indication of process value and setpoint value. Control methods include on/off, PID, auto-tune and manual-tune. Controller includes a 3-setpoint ramp/soak control feature, alarm functions with optional RS485 communications heater loop break alarm. Analog output can be programmed for either control or retransmission of process variable. An optional software package CN-SW-HW-KIT includes cable and configuration module for quick configuration of units, as well as copying configuration parameters from one unit to another. The configuration module can also be purchased separately and with a built-in battery feature, configuration settings can be downloaded and copied to the module without power applied to controller. The module can then be plugged into a new unit without power applied and the configuration setting can be transferred for easy set-up for multiple units.

Specifications
Front Panel Bezel: 48 x 48 mm (1.89 x 1.89')
Panel Depth: 125 mm (4.9')
Supply Voltage: 24 to 230 Vac/Vdc ±15%, 50/60 Hz
Power Consumption: 5 W
Display: Two 4-digit, 10 mm (0.4') green (SV), 8 mm (0.3') red (PV)
Accuracy: ±0.5°C temperature, 0.2% reading
Resolution: 1°/0.1° 10 µV process
A/D Conversion: Sigma-delta
Reading Rate: Programmable
Digital Filter: Programmable
Operating Conditions:
    Temperature: 0 to 45°C (32 to 113°F)
    Humidity: 35 to 95 RH%
Material:
    Enclosure: Noryl UL94V1, self-extinguishing
    Front Panel: PC ABS UL94V0, self-extinguishing
Weight: 165 g (3.95 oz)
Front Panel: IP65 (with gasket), box IP30, terminal blocks IP20
Inputs:
    Thermocouple: J, K, R, S
    RTD: Pt100, Pt500, Pt1000, Ni100
    Thermistor: PTC1K, NTC10K (B 3435K), NTC 2252 Ω
Process: 4 to 20 mA, 0 to 10V, 0 to 40 mV, potentiometer 0 to 6/160 KΩ
Sampling Time: 4,1 ms (frequency 242 Hz)
1 Digital Input: Up to 4 setpoint selections, hold, run, tuning launch, start/stop cycle
Outputs:
    2 or 3 Relays: 5 A to 250 Vac (resistive)
    DC Pulse: 12 Vdc, 30 mA
    Analog: Programmable for 4 to 20 mA, 0 to 10 Vdc, control or retransmission
Serial Communication: RS485 Modbus ® RTU
Control Algorithms: On/off with hysteresis, P, PI, PID, PD, time proportional
Tuning: Manual or autotune
Data Protection: Lock of command/ alarm setpoint, access to parameters by password
Alarm Modes: Absolute/threshold, band, high/low deviation; alarm with optional manual reset
Soft-Start: Rising gradient expressed as °C or °F/hour
Programmer Function: Start/stop, 3 steps pre-programmed cycle
Timer Function: Controller function + single/double timer

Rated 4 out of 5 by from This little guy can do it all I bought the Omega PID controller instead of one of the cheap ones on eBay because I'm an engineer by training and I have used Omega in industrial applications and know the quality. Also, it is not easy to find a PID controller that has a proportional analog output (0-10V is the option I purchased). I have played around with this now and verified it to be very accurate from 0-100 C. My application is a hobby project-- a natural gas fired smokehouse and I am very happy with the control signal I'm getting out of this controller to drive my proportional gas valve. With the power and flexibility comes complexity. The manual has the information, but you have to work for it. I imagine most people just call their applications engineers, but I managed to get everything configured and working with about 3 times through the terse manual and trial and error. Be patient, it is worth it. A true user guide or application guide would go a long way, Omega.
Date published: 2016-11-16
  • y_2019, m_10, d_16, h_1
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