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MC2-442-57CQB-1-2A
MC2-442-57CQB-1-2A
MC2-442-57CQB-1-2A

EATON MC2-442-57CQB-1-2A 5.7″ IR Touch HMI Panel

  • Model: MC2-442-57CQB-1-2A
  • Brand: EATON
  • Series: MC2 HMI
  • Core Function: Operator interface and visualization
  • Product Type: 5.7″ HMI Panel
  • Key Specs: Infra-red touch, CSTN LCD, 256 colors
  • Condition: New Original / New Surplus
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Description

3. Key Technical Specifications

  • Display: 5.7 inch CSTN LCD, QVGA resolution (320 x 240)
  • Touch Technology: Infra-red (IR) touch
  • Colors: 256 colors
  • Mounting: 4-hole front panel
  • Power Supply: 24 VDC
  • Interfaces: Ethernet, RS232, CAN, others per series
  • Enclosure: Metal or industrial rated
  • Operating Temp: Standard industrial range
  • Memory/PLC: Optional PLC function expandable
  • Approvals: UL508, cUL

4. Product Introduction

The EATON MC2-442-57CQB-1-2A is a 5.7-inch operator interface panel with infra-red touch technology and CSTN LCD display. It provides machine visualization, control, and data entry for industrial automation systems.

This compact HMI is widely used in OEM equipment and retrofit projects where a durable, reliable touchscreen interface is needed for operators to monitor processes and input commands without mechanical wear issues common to resistive screens.

MC2-442-57CQB-1-2A
MC2-442-57CQB-1-2A
MC2-442-57CQB-1-2A
MC2-442-57CQB-1-2A

5. Troubleshooting Quick Reference

Symptom Possible Cause Relevance to this Part Quick Check Method Recommendation
Touch not responding IR beam obstruction or calibration issue ✅ High Clean screen and test multiple points Remove any films or debris blocking IR sensors
Blank or dim display Power supply or backlight failure ✅ High Measure 24 VDC at terminals Verify input voltage and connections
No communication with PLC Wrong protocol or cable ✅ Medium Check LEDs and cable continuity Confirm baud rate, address, and cable pinout
Intermittent touch Environmental interference (sunlight, steam) ✅ High Test in controlled lighting Use shielding or reposition panel
System freeze Memory overload or firmware issue ✅ Medium Monitor CPU usage in configuration tool Optimize screens and update firmware if available

Back up configurations before any firmware changes.

6. Frequently Asked Questions (FAQ)

What type of touch screen does it use? Infra-red (IR) touch, which is highly durable and works with gloves or styluses without pressure sensitivity issues.

Is this panel still supported? It is a legacy model but remains popular in many installed bases. New Surplus stock is available for replacements.

Does it include PLC functionality? Some configurations support optional PLC runtime. Verify your specific part number variant.

What power supply is required? 24 VDC nominal. Ensure stable supply with adequate current capacity.

How do I program the HMI? Using Eaton’s dedicated configuration software. Existing projects can usually be transferred to replacement units.

Condition and testing? New Surplus units are tested for display, touch functionality, and basic communication. Full functional test report available.

Warranty? 1-year warranty. We can assist with migration paths if upgrading to newer Eaton HMI platforms.

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