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DIN Rail Mountable Universal Input Ramp and Soak PID Controller

DIN Rail Mountable Universal Temperature Process Controller

Item# CN245-R1-R2-F3-C4

DIN Rail Mountable Universal Temperature Process Controller CN245-R1-R2-F3-C4 CN245-R1-R2-F3-C4
  • The CN245-Series has been discontinued. For a possible alternate, please see CN401-11445-C4 A DIN Rail mountable replacement controller will be available in Q4 2021.
  • DIN Rail Mountable
  • Dual Display
  • Type J, K, R and S Thermocouple Inputs
  • Process Inputs
  • RTD and Thermistor Inputs
  • Alarm Functions
  • On/Off or PID control
  • 3 Step Ramp Soak Feature
  • Autotune
  • Digital Input
  • Heater Loop Break Alarm
  • 24 to 230 Vac/Vdc
  • Password Protection
  • RS485 Standard
  • Optional Software with Configuration Module


Monitor and control temperature orprocess applications with precisionusing the CN245 Series DIN railmountable controllers. The CN245Series provides dual LED displaysfor local indication of processvalue and setpoint value. Controlmethods include on/off, PID,auto-tune and manual-tune.Controller includes a 3 setpointramp/soak control feature, alarmfunctions, RS485 communicationsand heater loop break alarm.Beside operation as multi-setpointPID controller, the unit can beideally used as signal converterthanks to a universal input(selectable by parameter for upto 18 different signals) and theanalog output which is galvanicallyisolated and programmable forrescalable retransmission ofprocess/setpoint value.An optional software packageCN-SW-HW-KIT includes cableand configuration module for quickconfiguration of units, as well ascopying configuration parametersfrom one unit to another. Theconfiguration module can alsobe purchased separately andwith a built-in battery feature,configuration settings can bedownloaded and copied to modulewithout power applied to controller.Module can then be plugged intoa new unit without power appliedand the configuration setting canbe transferred for easy set up formultiple units.
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Rated 5 out of 5 by from versatile and a good value This racy Italian-made controller is exactly what we needed for running tube furnaces in a research lab. Adaptable to an amazing variety of sensors, including all common thermocouples, and lots of output options as well. I found some challenge interpreting the commands needed to choose these settings, but a bit of breadboard tinkering and booklet scrutiny got us where we needed to be soon enough.
Date published: 2016-06-03
Rated 5 out of 5 by from Easily reconfigurable with analog out I stuck rubber feet to the bottom of this controller and will rewire it as needed for different test configurations, no enclosure necessary. Output 2 can be configured for analog retransmit of the process value (voltage) for DAQ purposes. I put a 1 mfd cap across the analog out as it was a bit noisy. Easy to program.
Date published: 2017-06-07
Rated 4 out of 5 by from Skip to Section 10 to set up controller Not bad once you figure out how to operate. Skip to section 10 for setting configuration.
Date published: 2018-07-24
Rated 4 out of 5 by from Good features It is pretty easy to work with, although like many Modbus devices, it deviates from the standard. It comes with fairly complete documentation although some of the specifications are a little vague.
Date published: 2018-02-23
Rated 5 out of 5 by from Enigneering We like the product and was a good fit for our application
Date published: 2017-02-13
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