Manuals+

Coolmay EX3G-8043H-24MT

Coolmay 4.3 inch HMI/PLC All-in-One User Manual

Model: EX3G-8043H-24MT

1. Introduction

The Coolmay EX3G-8043H-24MT is a 4.3-inch Human Machine Interface (HMI) and Programmable Logic Controller (PLC) all-in-one unit, designed for industrial automation control. This integrated device combines logic control, analog I/O, and a high-definition touch screen, offering a cost-effective and space-saving solution for various applications. It supports multiple communication interfaces and is compatible with standard PLC programming software.

Coolmay 4.3 inch HMI/PLC All-in-One unit, front view
Figure 1: Front view of the Coolmay EX3G-8043H-24MT HMI/PLC unit.

2. Specifications

The Coolmay EX3G-8043H-24MT offers robust features for industrial control:

SpecificationDescription
Model NumberEX3G-8043H-24MT
Brand NameCoolmay
OriginMainland China
CertificationCE
Dimension134*102*34mm
Cut-out size120*94mm
Display type4.3" TFT
Display size97*56mm
Resolution480*272
ROM64MB
RAMNOR Flash 16MB
Maximum I/O Points12DI/12DO
Output TypeRelay outputs
Analog PointsMax 4AI/2AO
PLC Communication Interface1 Type-C programming port; default 1 RS232 + 1 RS485 (Optional 1 RS485)
HMI COM PortType-C (HMI download port); 1 USB 2.0 port; 1 RS232
Programming softwareCompatible with GX Developer8.86Q and GX Works2 (free of charge)
High-concerned chemicalNone
Dimensions of the Coolmay HMI/PLC unit
Figure 2: Dimensions of the HMI/PLC unit (in mm).

3. Setup and Installation

The EX3G-8043H-24MT is designed for easy installation and integration into industrial control cabinets.

3.1 Physical Installation

The unit features a compact structure and supports both vertical and horizontal embedded installation. Use the provided snaps and screws for secure mounting.

Embedded installation diagram with lock screw holes
Figure 3: Embedded installation diagram, highlighting lock screw holes for secure mounting.

3.2 Wiring and Connections

The unit utilizes integrated terminal blocks for simplified wiring, reducing labor and material costs. Ensure all connections are secure before powering on the device.

Back view of the HMI/PLC unit with labeled ports
Figure 4: Back view of the HMI/PLC unit showing LAN, RS485/RS232, Switch Input, Switching Output, and Analog Input/Output ports.
Wiring setup for programming the HMI/PLC unit
Figure 5: Example wiring setup for programming, showing connections for USB-232 serial port cable, 232 programming cable, Type-C HMI programming cable, Type-C PLC programming cable, and power supply (DC24V).

3.3 Initial Power-Up

After securing all connections, apply DC24V power to the unit. The HMI screen should power on and display the configured interface.

4. Operating Instructions

The HMI/PLC all-in-one unit provides a user-friendly interface for controlling and monitoring industrial processes.

4.1 HMI Operation

The 4.3-inch TFT touch screen allows for direct interaction with the control system. Navigate through menus, input parameters, and monitor system status using the touch interface.

Video 1: Demonstration of HMI screen operation and interface navigation.

4.2 PLC Programming

The integrated PLC is compatible with GX Developer8.86Q and GX Works2 programming software. Connect your computer to the unit using the appropriate programming cables (Type-C for HMI download, Type-C for PLC programming, or RS232/RS485 as needed) to upload or download programs.

Diagram showing integration of PLC, HMI, and I/O functions
Figure 6: Conceptual diagram illustrating how logic control (PLC), analog input/output, and HMI functions are integrated into one unit.

5. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Coolmay HMI/PLC unit.

5.1 Cleaning

Keep the HMI screen and the unit's exterior clean using a soft, dry cloth. Avoid abrasive cleaners or solvents that could damage the screen or casing.

5.2 Terminal Maintenance

The unit features plug-in terminals designed for over 5,000 insertion cycles, allowing for quick and efficient wire replacement. Periodically check terminal connections for tightness and signs of wear.

Back view of the HMI/PLC unit highlighting pluggable terminals
Figure 7: Back view of the HMI/PLC unit, emphasizing the convenient pluggable terminals for easy wiring and maintenance.

6. Troubleshooting

This section provides basic troubleshooting steps for common issues. For complex problems, please contact technical support.

  • Unit does not power on: Verify the DC24V power supply connection and ensure the power source is active. Check for any loose wiring.
  • HMI screen unresponsive: Ensure the unit is powered on. If the screen is on but unresponsive, try a soft reset by cycling power.
  • Communication errors: Check all communication cable connections (RS232, RS485, Ethernet, USB). Verify communication settings in your programming software match the unit's configuration.
  • PLC program not running: Ensure the program has been successfully downloaded to the PLC. Check for any error indicators on the unit or in the programming software.

7. User Tips

  • Always ensure proper grounding for the HMI/PLC unit to prevent electrical interference and ensure stable operation.
  • When programming, save your work frequently to avoid data loss.
  • Utilize the customization options for hardware, appearance, functions, and software to tailor the unit to your specific application needs.
  • Keep the unit's firmware updated to benefit from the latest features and bug fixes.

8. Warranty and Support

8.1 Manufacturer Warranty

The Coolmay EX3G-8043H-24MT comes with an 18-month manufacturer warranty, covering hardware defects and system malfunctions under normal use.

8.2 Technical Support

Coolmay provides lifetime technical support for its products. Remote assistance is available for configuration, firmware updates, and integration queries.

8.3 Contact Information

For support, documentation, or firmware files, please contact Coolmay technical support. We aim to respond within 24 hours.

  • WhatsApp: +86 199-2529-1353
  • WeChat: +86 199-2529-1353

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