1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of the Coolmay Integrated HMI PLC All-in-One QM3G Series. This series combines a Human Machine Interface (HMI) with a Programmable Logic Controller (PLC) into a single unit, offering efficient industrial control solutions. Available in various screen sizes (4.3'', 5'', 7'', and 10''), the QM3G series supports analog customization and Ethernet connectivity, making it versatile for diverse applications.
Figura 1: Frontal view of Coolmay QM3G HMI PLC
2. Característiques clau
- Disseny integrat: Combines HMI and PLC functionalities in a single unit.
- Compatibilitat del programari: Compatible with Mitsubishi software GX8.52/8.86, GX Developer, and GX Works2.
- Analog Customization: Supports optional analog input and output functions (voltage, corrent, temperatura).
- PID Auto-tuning: Features built-in PID auto-tuning for precise control.
- PWM Modulation: Supports Pulse Width Modulation.
- Multiple Screen Sizes: Available in 4.3'', 5'', 7'', and 10'' display options.
- Ports de comunicació: Equipped with RS232, RS485, and optional Ethernet/WIFI.
- High-Speed I/O: Offers high-speed pulse outputs for demanding applications.
3. Available Models and Configurations
The QM3G series offers various models, each with specific I/O configurations and features. Analog input/output functions are optional and must be purchased separately. Without specific information, the default analog option is 0-10V voltagtipus e.
3.1. Model Overview
- QM3G-43FH-24MT: 4.3-inch HMI PLC, 12DI 12DO (transistor outputs), optional max 4 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-43FH-24MR: 4.3-inch HMI PLC, 12DI 12DO (relay outputs), optional max 4 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-50FH-24MT: 5-inch HMI PLC, 12DI 12DO (transistor outputs), optional max 4 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-50FH-24MR: 5-inch HMI PLC, 12DI 12DO (relay outputs), optional max 4 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-70FH-24MR: 7-inch HMI PLC, 12DI 12DO (relay outputs), optional max 12 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-70FH-44MT: 7-inch HMI PLC, 24DI 20DO (transistor outputs), optional max 12 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-70FH-44MRT(16R4T): 7-inch HMI PLC, 24DI 20DO (max 16 relay outputs, Y20-Y23 fixed as transistor outputs), optional max 12 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-70KFH-24MR: 7-inch HMI PLC, 12DI 12DO (relay outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-70KFH-44MT: 7-inch HMI PLC, 24DI 20DO (transistor outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-70KFH-60MT: 7-inch HMI PLC, 30DI 30DO (transistor outputs), optional max 5 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-70KFH-44MR: 7-inch HMI PLC, 24DI 20DO (relay outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-70KFH-60MR: 7-inch HMI PLC, 30DI 30DO (relay outputs), optional max 5 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-100FH-24MR: 10-inch HMI PLC, 12DI 12DO (relay outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-100FH-44MT: 10-inch HMI PLC, 24DI 20DO (transistor outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-100FH-60MT: 10-inch HMI PLC, 30DI 30DO (transistor outputs), optional max 5 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC), 4 high-speed pulse outputs (100KHz, Y0-Y3), 4 high-speed pulse outputs (10KHz, Y4-Y7).
- QM3G-100FH-44MR: 10-inch HMI PLC, 24DI 20DO (relay outputs), optional max 16 Analog inputs and 8 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
- QM3G-100FH-60MR: 10-inch HMI PLC, 30DI 30DO (relay outputs), optional max 5 Analog inputs and 2 Analog outputs, 1 RS232 (HMI), 1 RS232 (PLC), 1 RS485 (PLC).
Figure 2: Various QM3G HMI PLC models and their interfaces
4. Instal·lació i configuració
4.1. Physical Dimensions and Cutout Sizes
Ensure proper space and cutout dimensions for mounting the HMI PLC unit. Refer to the diagrams below for specific model dimensions.
Figure 3: Dimensions and Cutout Sizes for QM3G Models
4.2. Font d'alimentació
The HMI PLC requires a DC 24V power supply. Ensure the power supply is stable and capable of providing at least 18W (or higher, depending on the model and connected peripherals). The real-time clock uses a rechargeable battery to maintain current time; ensure the DC 24V voltage after the source is loaded is 23V or more, and the PLC power-on time is longer than 2 minutes, otherwise the power-off function may be abnormal.
4.3. Engegada inicial
Upon powering on the device, the Coolmay logo will appear, followed by the main operating interface. The video below demonstrates the power-on sequence and basic touch screen interaction.
Video 1: Coolmay HMI PLC demonstration showing power-on sequence and touch screen interaction for input/output control.
5. Instruccions de cablejat
Important: Always ensure the power is OFF before performing any wiring to prevent electric shock or equipment damage.
5.1. Terminal Overview
The QM3G series features various terminal blocks for power, digital I/O, analog I/O (if customized), and communication ports. Wiring specifications for terminals are typically 22-14AWG wire. All terminals are pluggable.
Figura 4: posterior view of QM3G-43MT model showing ports
Figura 5: posterior view of QM3G-70-24MR model showing ports
Figura 6: De dalt a baix view of QM3G ports
5.2. Electrical Design and Hardware Interface
Refer to the detailed diagrams for electrical design and hardware interface layouts for various QM3G models. These diagrams illustrate the product structure, terminal block connections, and communication port definitions.
Figure 7: Electric Design, Hardware Interface, and Communication Pin Definitions
5.3. Equivalent Circuits
Understanding the equivalent circuits is crucial for correct wiring and troubleshooting. The diagrams below show the input wiring, relay output, transistor output, and inductive load absorption circuits.
Figure 8: Equivalent Circuit Diagrams
5.4. PLC Analog Wiring
For models with analog capabilities, refer to the specific analog wiring diagrams. The PLC input is an externally powered DC24V sinker (passive NPN), and the input signal is isolated from the power supply. Connect COM to the positive 24V external power supply while using.
Figure 9: PLC Analog Wiring Diagrams and Register Definitions
6. Funcionament
6.1. HMI Interface Interaction
The HMI provides a touch-sensitive display for user interaction. You can input values, monitor statuses, and control outputs directly from the screen. The interface is designed for intuitive use in industrial environments.
6.2. Programació
The QM3G series is programmable using Mitsubishi-compatible software such as GX Developer and GX Works2. Detailed programming instructions can be found in the respective software manuals. The PLC supports various functions including PID auto-tuning and PWM modulation.
7. Analog Input/Output Customization
Note: By default, this product does not include analog input and output functions. These functions need to be purchased separately. Select the type and number of channels you want and specify them in your order. The number of selected channels cannot exceed the maximum selectable number for your model.
7.1. Analog Input Types
- Voltage: 0-10V, 0-5V (7"/10" HMI PLC All-in-one optional -5V~5V and -10V~10V)
- Actual: 0-20mA, 4-20mA
- Temperatura: Thermocouple (E/K/S/J), PT100/1000, NTC10K/50K/100K
7.2. Analog Output Types
- Voltage: 0-10 V, 0-5 V
- Actual: 0-20mA, 4-20mA
Figure 10: Analog Input Types and Signal Table
Figure 11: Optional Analog Functions and Basic Parameters
8. Especificacions tècniques
The following table outlines the general specifications and parameters for the Coolmay QM3G-FH HMI PLC All-in-One series. Specific models may have variations.
Figure 12: Specifications and Parameters Table
| Model | QM3G-43FH | QM3G-50FH | QM3G-70FH/HD | QM3G-70KFH | QM3G-100FH |
|---|---|---|---|---|---|
| Pantalla de visualització | 4.3" TFT LCD screen | 5" TFT LCD screen | 7" TFT LCD screen | 7" TFT LCD screen | 10.1" TFT LCD screen |
| Resolució (píxels) | 480*272 | 800*480 | 800*480/1024*600 | 800*480 | 1024*600 |
| Dimensió | 134 * 102 * 34 mm | 151 * 96 * 36 mm | 200 * 146 * 36 mm | 226 * 163 * 36 mm | 275 * 194 * 36 mm |
| Mida de retallada | 120*94 mm | 143*86 mm | 192*138 mm | 217*154 mm | 262*180 mm |
| Mida de la pantalla | 97*56 mm | 108*65 mm | 154*87 mm | 154*87 mm | 222*125 mm |
| Brillantor | 400 cd/m² | 300 cd/m² | 300 cd/m² | 300 cd/m² | 300 cd/m² |
| Relació de contrast | 400:1 | 400:1 | 400:1 | 400:1 | 400:1 |
| Llum de fons | LED | LED | LED | LED | LED |
| Color de la pantalla | 65536 color real | 65536 color real | 65536 color real | 65536 color real | 65536 color real |
| Tipus de toc | 4-wire resistive panel | 4-wire resistive panel | 4-wire resistive panel | 4-wire resistive panel | 4-wire resistive panel |
| Precisió tàctil | Length(X)±1.5% Width(Y)±1.5% | Length(X)±1.5% Width(Y)±1.5% | Length(X)±1.5% Width(Y)±1.5% | Length(X)±1.5% Width(Y)±1.5% | Length(X)±1.5% Width(Y)±1.5% |
| ROM (flash) | NOR Flash de 8 MB | NOR Flash de 16 MB | NOR Flash de 16 MB | NOR Flash de 16 MB | NOR Flash de 16 MB |
| RAM | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| CPU | 408 MHz | 408 MHz | 408 MHz | 408 MHz | 408 MHz |
| Dispositiu USB | USB 2.0*1(Type-C) | USB 2.0*1(Type-C) | USB 2.0*1(Type-C) | USB 2.0*1(Type-B) | USB 2.0*1(Type-B) |
| Port sèrie | RS-232 | RS-232 | RS-232 o RS-485 | RS-232 o RS-485 | RS-232 o RS-485 |
| E/S | Max 12DI/12DO | Max 24DI/20DO(16 MR) | Max 30DI/30DO(28 MR) | Max 30DI/30DO(28 MR) | Max 30DI/30DO(28 MR) |
| Tipus d'E/S | Transistor output: low level NPN, COM connected to negative; Relay output: normally open dry contact. | Transistor output: low level NPN, COM connected to negative; Relay output: normally open dry contact. | Transistor output: low level NPN, COM connected to negative; Relay output: normally open dry contact. | Transistor output: low level NPN, COM connected to negative; Relay output: normally open dry contact. | Transistor output: low level NPN, COM connected to negative; Relay output: normally open dry contact. |
| DO type | Relay MR or MOS Relay output max load 5A/ MOS output max load 2A | Relay MR or MOS Relay output max load 5A/ MOS output max load 2A | Relay MR or MOS Relay output max load 5A/ MOS output max load 2A | Relay MR or MOS Relay output max load 5A/ MOS output max load 2A | Relay MR or MOS Relay output max load 5A/ MOS output max load 2A |
| Recompte d'alta velocitat | 6 single-phase 60KHz, or 2 AB (Z) phase 60KHz | 6 single-phase 60KHz, or 2 AB (Z) phase 60KHz | 6 single-phase 60KHz, or 2 AB (Z) phase 60KHz | 6 single-phase 60KHz, or 2 AB (Z) phase 60KHz | 6 single-phase 60KHz, or 2 AB (Z) phase 60KHz |
| High-speed pulse | Conventional 8 channels: Y0-Y3 is 100KHz, Y4-Y7 is 10KHz; high-speed counting + high-speed pulse ≤480KHz | Conventional 8 channels: Y0-Y3 is 100KHz, Y4-Y7 is 10KHz; high-speed counting + high-speed pulse ≤480KHz | Conventional 8 channels: Y0-Y3 is 100KHz, Y4-Y7 is 10KHz; high-speed counting + high-speed pulse ≤480KHz | Conventional 8 channels: Y0-Y3 is 100KHz, Y4-Y7 is 10KHz; high-speed counting + high-speed pulse ≤480KHz | Conventional 8 channels: Y0-Y3 is 100KHz, Y4-Y7 is 10KHz; high-speed counting + high-speed pulse ≤480KHz |
| Entrada analògica | E/K/S/J thermocouple/PT100/NTC10K/NTC50K/NTC100K/0-10V/0-5V/0-20mA/4-20mA or mixed (7 inch and 10 inch optional -5V~5V and -10V~10V) | E/K/S/J thermocouple/PT100/NTC10K/NTC50K/NTC100K/0-10V/0-5V/0-20mA/4-20mA or mixed (7 inch and 10 inch optional -5V~5V and -10V~10V) | E/K/S/J thermocouple/PT100/NTC10K/NTC50K/NTC100K/0-10V/0-5V/0-20mA/4-20mA or mixed (7 inch and 10 inch optional -5V~5V and -10V~10V) | E/K/S/J thermocouple/PT100/NTC10K/NTC50K/NTC100K/0-10V/0-5V/0-20mA/4-20mA or mixed (7 inch and 10 inch optional -5V~5V and -10V~10V) | E/K/S/J thermocouple/PT100/NTC10K/NTC50K/NTC100K/0-10V/0-5V/0-20mA/4-20mA or mixed (7 inch and 10 inch optional -5V~5V and -10V~10V) |
| Sortida analògica | 0-10V/0-5V/0-20mA/4-20mA | 0-10V/0-5V/0-20mA/4-20mA | 0-10V/0-5V/0-20mA/4-20mA | 0-10V/0-5V/0-20mA/4-20mA | 0-10V/0-5V/0-20mA/4-20mA |
| Port COM | Optional 1 RS485 or 2 RS485 (One of the RS485 is changed from the default 232) Optional WIFI (will occupy the default port 232) | Optional 1 RS485 or 2 RS485 (One of the RS485 is changed from the default 232) | Optional CAN port (2.0A/B), network port, WIFI (will occupy the default 232 port) | Optional 1 RS485 or 2 RS485 (One of the RS485 is changed from the default 232) | Optional 1 RS485 or 2 RS485 (One of the RS485 is changed from the default 232) |
9. Consells d'usuari
Here are some helpful tips for using your Coolmay HMI PLC:
- Font d'alimentació: Always use a stable DC 24V power supply with sufficient wattage (18W or higher) to ensure reliable operation.
- Instal·lació segura: Properly tighten all mounting screws to prevent the unit from falling or vibrating, which can cause damage.
- Seguretat del cablejat: Always turn off the power before connecting or disconnecting any wires to avoid electric shock or damage to the device.
- Consideracions ambientals: Avoid installing the unit in environments with strong magnetic fields, high-frequency noise, or excessive vibration, as these can affect performance and lead to malfunctions.
- Analog Input Power: If using analog inputs, ensure they are externally powered with DC24V.
- COM Connection: Connect the COM terminal to the 24V positive pole of the external power supply.
- Transistor Outputs: For transistor outputs, the common of the binary input/output is typically connected to the cathode.
- Eviteu el desmuntatge: Do not attempt to disassemble the product or modify the wiring unless explicitly instructed, as this may cause malfunction or void any warranty.
- Rellotge en temps real: The real-time clock requires a stable DC 24V supply (23V or more after load) and a power-on time of at least 2 minutes to ensure proper function retention after power cycles.
Figure 13: Important User Tips
10. Manteniment
Regular maintenance ensures the longevity and optimal performance of your HMI PLC unit.
- Neteja: Keep the HMI screen and casing clean using a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Control ambiental: Maintain the operating environment within specified temperature and humidity ranges (0°C-60°C, 5%-95%RH non-condensing).
- Comprovacions de connexió: Periodically inspect all wiring connections for tightness and signs of wear or corrosion.
- Actualitzacions de programari: Ensure your programming software and HMI/PLC firmware are up-to-date for the best performance and security.
11. Solució De Problemes
This section addresses common issues you might encounter with your Coolmay HMI PLC.
11.1. Problemes comuns i solucions
- La unitat no s'encén:
- Check the DC 24V power supply connection and ensure it is providing adequate voltage i corrent.
- Verify that the power supply meets the minimum wattage requirement (18W or higher).
- HMI Screen Unresponsive:
- Ensure the unit is powered on correctly.
- If the screen is frozen, try a power cycle (turn off, wait 10 seconds, turn on).
- Analog I/O Not Functioning:
- Confirm that analog input/output functions were explicitly ordered and are present in your model. By default, they are not included.
- Check analog wiring according to the diagrams in Section 5.4.
- Verify that analog inputs are externally powered with DC24V.
- PLC Power-Off Hold Function Abnormal:
- Ensure the DC 24V voltage after the source is loaded is 23V or more.
- Verify that the PLC power-on time is longer than 2 minutes.
- Errors de comunicació:
- Check all communication cable connections (RS232, RS485, Ethernet).
- Verify communication settings in your programming software match the HMI PLC configuration.
- Ensure no strong magnetic fields or high-frequency noise are interfering with communication lines.
12. Garantia i Suport
For any technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Coolmay customer support. Refer to your purchase documentation for specific warranty terms and contact information.
