Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm 2 (Analogue), 2 (Digital) Input, 2 Output

  • RS Stock No. 121-4225
  • Mfr. Part No. IR33B7LR20
  • Manufacturer Carel
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): IT
Product Details

IR33 Universal Electronic Controllers

The IR33 series of universal electronic controllers from Carel are a panel mounted controller offering an updated and upgraded module to replace its IR32 predecessor. The IR33 series controllers feature two independent control loops and now with the addition of auto tuning and a real-time clock for cycle and alarm management, the IR33 range of controllers fare suitable for a range of applications.

Featuring a simple user interface with a clear LED screen and large control buttons, the controllers are easy to commission as well as coming in a standard 76.2 x 34.2mm size suitable for a 71 x 29mm panel cut out. Powered from 12 to 24 V ac/dc or by 115-230 V ac the units can also be used with transformers to for powering low voltage controllers from 110 V ac or 230 V ac.

All of the IR33 series controllers are capability of network connectivity for both monitoring and programming purposes to make the IR33 controllers truly versatile. Using the optional RS-485 series interface you can content any of the SSR, Relay or Relay/Analogue units for complete ease of use.

Auto Tuning

Auto tuning within the controller gives vital accuracy during configuration. The auto tune function uses rule based calculations typically used by experienced engineers to configure the controller either at the set-point or whist the load is being heated from an ambient temperature.

Supplied with a default factory setting, the PID parameters allow standard control and functionality but are not optimised for the system the IR33 will control. Auto-tuning the controller is used to fine-tune the 3 control parameters involved to ensure the controller is optimised for any application.

Real-time Clock

The addition of a real-time clock (RTC) to the IR33 series aids in the management of working cycles within the controller as well as to support logging alarms. The RTC in the controller is a low power resource for accurate time keeping freeing up system power for accurate monitoring and control.

Working cycles controlled by the IR33 can rely on the internal clock for accuracy with the ability to remain time keeping even when the main system power source is off or unavailable.

Real-time clocks are key to accuracy within time based controllers and should not be confused with hardware clocks governing digital information. Real-time clocks, unlike hardware clocks count in human time units for relative control.

Features and Benefits

• Temperature input or universal input
• Relay or SSR output versions
• 2 independent control loops
• Auto-tuning PID control
• Real-time clock
• Infrared receiver and buzzer
• Plug-in terminals
• Remote Control option
• Programming key compatibility

The IR33B7LR20 model controller from Carel features a single relay output along with a single 0-10 V dc analogue output.

The single relay is perfect for controlling the minimum on or off times of an output to protect loads. This protection avoids control swings for more consistent and reliable functionality.

Optional Expansion

Suitable for use with remote controls, the IR33 series can use an infrared remote control allowing access to all main functions as well for configuring system parameters. This allows easy set up and use of all IR33 controllers from a distance.

Find the IRTRUES000 IR33 Remote Control here: 745-7999>

Programming keys are a simple and effective way to quickly program controllers both when on and also when not connected to a power supply. This disconnected programming function can reduce the risk of errors in the controller. A programming key allows for fast and effective technical service and can be used in just a few seconds for ease.

Find the IROPZKEY00 Programming Key Here: 745-8002

Specifications
Attribute Value
Output Type Analogue, Relay
Supply Voltage 12 → 24 V ac/dc, 24 V ac/dc, 115 → 230 V ac
Size 76.2 x 34.2mm
Number of Inputs 2 (Analogue), 2 (Digital)
Number of Outputs 2
Minimum Operating Temperature -10°C
Maximum Operating Temperature +55°C
Temperature Range -50 → +150 (PTC) °C, -50 → +90 (NTC) °C
Communication Module Available Yes
Display Type LED
IP Rating IP10, IP65
Range Carel IR33
Mounting Type Panel Mount
Input Type Analogue, Digital, NTC, PTC
Series IR33
Termination Type Standard Plug
Panel Depth 94mm
28 In Global stock for delivery within 4 - 6 working days
Price Each
MYR 568.63
units
Per unit
1 +
MYR568.63
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