1. Bubuka
This manual provides detailed instructions for the installation, operation, and maintenance of the Coolmay QM3G-43FH series HMI PLC All-In-One unit. The QM3G-43FH integrates a Human Machine Interface (HMI) with a Programmable Logic Controller (PLC) into a single compact device, offering a powerful and efficient solution for industrial automation applications. Please read this manual thoroughly before using the product to ensure safe and correct operation.

2. Produk Langkungview
2.1 Fitur konci
- Integrated HMI and PLC functionality in a single unit.
- 4.3-inch touch screen display for intuitive user interaction.
- Compatible with Mitsubishi programming software: GX Developer, GX Works2, and GX8.52/8.86.
- Supports PID auto-tuning function for precise process control.
- Features PWM modulation capabilities.
- Available in transistor output (QM3G-43FH-24MT) and relay output (QM3G-43FH-24MR) versions.
- Multiple communication ports including RS232 and RS485.
- High-speed pulse outputs for demanding motion control applications.
2.2 Daptar bungkusan
Saatos ngabongkar bungkusan, mangga pariksa yén sadaya barang anu didaptarkeun di handap aya sareng henteu ruksak:
- 1x Coolmay QM3G-43FH HMI PLC All-In-One unit
- (Additional accessories such as mounting hardware, cables, and software may be included depending on the specific package.)
3. Spésifikasi
The following table details the technical specifications for the QM3G-FH series, including the QM3G-43FH model:

3.1 Model-Specific Details
- QM3G-43FH-24MT: 4.3 inch HMI PLC all in one, 12 Digital Inputs (DI), 12 Digital Outputs (DO) with transistor outputs. Optional maximum 4 Analog Inputs and 2 Analog Outputs. Includes 1 RS232 port, 1 RS485 port, 4 high-speed pulse outputs (100KHz, Y0-Y3), and 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-43FH-24MR: 4.3 inch HMI PLC all in one, 12 Digital Inputs (DI), 12 Digital Outputs (DO) with relay outputs. Optional maximum 4 Analog Inputs and 2 Analog Outputs. Includes 1 RS232 port and 1 RS485 port.
4. Setup jeung Instalasi
Proper installation is crucial for the reliable operation of your HMI PLC unit. Follow these guidelines carefully.
4.1 Pertimbangan Lingkungan
- Install the unit in a clean, dry environment, free from excessive dust, moisture, corrosive gases, and strong electromagnetic interference.
- Pastikeun ventilasi nyukupan pikeun nyegah overheating.
- Kisaran suhu operasi: 0°C nepi ka 50°C (32°F nepi ka 122°F).
- Storage temperature range: -20°C to 70°C (-4°F to 158°F).
- Humidity: 10% to 90% RH (non-condensing).
4.2 Pamasangan
The QM3G-43FH is designed for panel mounting. Refer to the dimension diagram for precise cutout sizes.

- Cut an opening in the control panel according to the specified cutout size (120*94mm for QM3G-43FH).
- Insert the HMI PLC unit into the cutout from the front of the panel.
- Secure the unit using the provided mounting clips from the rear of the panel. Tighten the screws evenly to ensure a snug fit without over-tightening.
4.3 Kabel
Ensure all power is disconnected before performing any wiring. Incorrect wiring can damage the unit or connected equipment.
- Sasayogian tanaga: Connect a stable DC power supply (typically 24V DC) to the designated power terminals. Observe correct polarity.
- Digital Inputs/Outputs (DI/DO): Connect sensors, switches, and actuators to the respective DI/DO terminals as per your application's wiring diagram. Refer to the specifications for transistor or relay output types.
- Analog Inputs/Outputs (AI/AO): If your model includes analog I/O, connect analog sensors (e.g., temperature, pressure) and actuators (e.g., variable speed drives) to the appropriate terminals.
- Communication Ports (RS232/RS485): Connect to other devices (e.g., VFDs, other PLCs, PCs) using standard serial communication cables. Ensure proper termination for RS485 networks.
- Grounding: Properly ground the unit to minimize electrical noise and ensure safety.
5. Parentah Operasi
The Coolmay QM3G-43FH combines HMI and PLC functions, allowing for both visual interaction and logic control.
5.1 Ngahurungkeun sareng Boot Awal
- After completing all wiring and mounting, apply power to the unit.
- The HMI will boot up, displaying the configured startup screen or application interface.
- Observe the RUN, CON, and PWR indicators for system status.
5.2 HMI Operation
The 4.3-inch touch screen allows operators to monitor processes, input data, and control connected equipment. Navigation and interaction are typically performed by touching on-screen buttons, input fields, and graphical elements.

- Napigasi layar: Tap on buttons or tabs to move between different screens or menus.
- Éntri Data: Use the on-screen keypad to input numerical or textual data into designated fields.
- Pangimeutan Status: Observe real-time data, alarms, and system status displayed on the HMI.
- Fungsi kontrol: Activate or deactivate processes, adjust parameters, or initiate sequences via touch controls.
5.3 PLC Programming and Configuration
The integrated PLC is programmed using compatible Mitsubishi software (GX Developer, GX Works2, GX8.52/8.86) on a PC.
- Install the appropriate Mitsubishi programming software on your computer.
- Connect the HMI PLC unit to your PC via the USB port (Type-C) or serial port (RS232).
- Launch the programming software and establish communication with the PLC.
- Develop your ladder logic program, configure I/O, and set up communication parameters within the software.
- Download the compiled program to the HMI PLC unit.
- Test the program thoroughly to ensure correct operation of all connected devices and logic.
For detailed programming instructions, refer to the documentation provided with the Mitsubishi programming software.
6. Pangropéa
Regular maintenance helps ensure the longevity and optimal performance of your HMI PLC unit.
- beberesih: Gently wipe the touch screen and casing kalawan lemes, damp lawon. Ulah nganggo pembersih abrasif, pangleyur, atanapi kalembaban anu kaleuleuwihi.
- Pembaruan firmware: périodik pariksa produsén urang website for firmware updates to improve performance or add new features. Follow update instructions carefully.
- Backup Programs: Regularly back up your PLC programs and HMI project files to an external storage device to prevent data loss.
- Pamariksaan Lingkungan: Ensure the operating environment remains within specified temperature and humidity ranges. Keep ventilation openings clear of obstructions.
- Pamariksaan kabel: Periodically inspect all wiring connections for looseness, corrosion, or damage. Tighten any loose connections.
7. Cara ngungkulan
Bagian ieu nyayogikeun solusi pikeun masalah umum anu anjeun tiasa patepang.
7.1 Isu umum jeung Solusi
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Unit teu hurung. | No power supply, incorrect wiring, faulty power supply. | Check power connections and voltage. Ensure correct polarity. Test power supply. |
| HMI screen is blank or unresponsive. | No power, HMI application error, screen damage. | Verify power. Restart the unit. If persistent, re-download HMI project or contact support. |
| PLC not communicating with PC. | Incorrect cable, driver issues, wrong communication settings. | Ensure correct USB/serial cable. Install necessary drivers. Verify communication settings in software. |
| Digital Inputs/Outputs not working. | Incorrect wiring, faulty sensor/actuator, PLC program error. | Check wiring. Test external devices. Verify PLC logic for I/O control. |
| Analog values are incorrect. | Sensor calibration, wiring issues, scaling error in PLC program. | Calibrate sensor. Check analog wiring. Review scaling parameters in PLC program. |
If you encounter issues not covered here or require further assistance, please contact technical support.
8. Tips pamaké
- Mimitian basajan: When learning to program, begin with basic control logic and gradually increase complexity.
- Pemrograman Modular: Break down complex tasks into smaller, manageable subroutines or functions for easier debugging and maintenance.
- Comment Your Code: Add descriptive comments to your PLC program to explain the logic, making it easier for yourself and others to understand and modify later.
- Uji sacara saksama: Always test your HMI and PLC programs extensively in a safe environment before deploying them in a live production setting.
- Utilize Simulation: If available, use simulation features in your programming software to test logic without connecting to physical hardware.
- Nyadangkeun biasa: Make it a habit to regularly back up your HMI project and PLC program files.
9. Garansi jeung Rojongan
For warranty information, technical support, or service inquiries, please contact your vendor or the manufacturer directly. Ensure you have your product model number and purchase details available when seeking support.





