Description
🔹 Product Overview
The Weintek cMT2128X is a 12.1-inch industrial touchscreen Human Machine Interface designed for machine control, process monitoring, and industrial automation applications.
The HMI features a 1024 × 768 WVA display with a wide viewing angle, LED backlight, and a 4-wire resistive touchscreen. Its quad-core RISC processor, 4 GB Flash memory, and 1 GB RAM provide the processing and storage resources required for modern HMI applications.
The cMT2128X supports multiple communication interfaces, including dual Ethernet ports, RS-232, RS-485, USB, and microSD storage. This makes the unit suitable for communication with PLCs, controllers, drives, and other industrial equipment.
🔹 Main Features
⚙️ 12.1-inch WVA industrial touchscreen
⚙️ 1024 × 768 display resolution
⚙️ Quad-core RISC processor
⚙️ 4 GB built-in Flash memory
⚙️ 1 GB RAM
⚙️ 4-wire resistive touchscreen
⚙️ Dual Ethernet ports
⚙️ RS-232 communication
⚙️ RS-485 2-wire and 4-wire communication
⚙️ USB 2.0 Host port
⚙️ microSD card slot
⚙️ Built-in RTC
⚙️ Built-in power isolation
⚙️ Fanless design
⚙️ PCB protective coating
⚙️ Panel mount and VESA mounting support
⚙️ NEMA 4 / IP66 front-panel protection
🔹 Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Weintek |
| Model | cMT2128X |
| Product Name | Industrial Touchscreen HMI |
| Series | cMT X Standard |
| Display Size | 12.1 inches |
| Display Type | WVA LCD |
| Resolution | 1024 × 768 |
| Touch Type | 4-wire Resistive |
| Brightness | Approx. 600 cd/m² |
| Contrast Ratio | 1000:1 |
| Display Colors | 16.7 Million |
| Viewing Angle | 89/89/89/89 |
| Backlight Type | LED |
| Backlight Life | More than 30,000 hours |
| Processor | Quad-core RISC |
| Flash Memory | 4 GB |
| RAM | 1 GB |
| Real-Time Clock | Built-in RTC |
| Ethernet Port 1 | 10/100/1000 Base-T |
| Ethernet Port 2 | 10/100 Base-T |
| Serial Port | RS-232 |
| Serial Communication | RS-485 2W / 4W |
| USB Host | USB 2.0 × 1 |
| Memory Card | microSD × 1 |
| Input Power | 24 VDC ±20% |
| Power Consumption | Approx. 1.2 A at 24 VDC |
| Power Isolation | Built-in |
| Dimensions | Approx. 317 × 243 × 41 mm |
| Panel Cutout | Approx. 305 × 231 mm |
| Mounting | Panel Mount / VESA 75 × 75 mm |
| Enclosure | Plastic |
| Weight | Approx. 1.7 kg |
| Front Protection | NEMA 4 / IP66 |
| Product Condition | New Surplus / New Open Box |
🔹 Display and Touchscreen Performance
The cMT2128X uses a 12.1-inch Wide Viewing Angle LCD with a 1024 × 768 resolution.
The 4-wire resistive touchscreen can be operated in typical industrial environments and is suitable for applications where operators need to wear gloves or work near machinery.
The LED backlight is designed for long-term industrial operation, while the wide viewing angle improves screen visibility from different operator positions.
🔹 Communication Interfaces
The cMT2128X provides several communication options for industrial automation systems.
🌐 Ethernet
The unit includes two Ethernet ports:
⚙️ LAN 1: 10/100/1000 Base-T
⚙️ LAN 2: 10/100 Base-T
This allows the HMI to communicate with PLCs, industrial networks, and plant-level systems.
🔌 Serial Communication
The HMI supports multiple serial communication interfaces, including:
⚙️ COM1 RS-232
⚙️ COM2 RS-485 2-wire / 4-wire
⚙️ COM3 RS-232 / RS-485 configuration
The available serial configuration should be verified according to the communication arrangement used in the application.
🔹 Memory and Processing
The cMT2128X combines a quad-core RISC processor with 4 GB of Flash memory and 1 GB RAM.
The built-in memory supports HMI projects, historical data, recipes, alarms, and other application information.
The microSD card slot provides additional storage capability when required for larger projects or data handling.
The built-in RTC can support time and date functions for alarms, events, and historical records.
🔹 Typical Applications
🏭 Machine automation
🏭 Packaging equipment
🏭 CNC and machine-tool systems
🏭 Production lines
🏭 Material handling systems
🏭 Water and wastewater systems
🏭 Energy monitoring
🏭 Process automation
🏭 Industrial control panels
🏭 PLC and motion-control systems
The cMT2128X can be used as the operator interface between personnel and the connected automation system.
🔹 Installation Notes
Before installing the cMT2128X:
- Confirm the complete model number.
- Check the panel cutout dimensions.
- Verify the 24 VDC power supply.
- Confirm power polarity.
- Inspect the Ethernet and serial communication wiring.
- Verify the PLC or controller communication settings.
- Install the unit securely in the control panel.
- Ensure sufficient cabinet ventilation.
- Check the front-panel sealing arrangement.
- Apply power and verify normal startup.
- Download or restore the correct HMI project.
- Test communication with the connected industrial equipment.
Use appropriate ESD precautions when handling the HMI and its communication connectors.
🔹 Maintenance Tips
🛠 Keep the touchscreen surface clean.
🛠 Use appropriate industrial cleaning methods.
🛠 Avoid excessive pressure on the display.
🛠 Check the 24 VDC power supply regularly.
🛠 Inspect Ethernet and serial connectors.
🛠 Verify communication cables during troubleshooting.
🛠 Check available Flash and microSD storage.
🛠 Keep backup copies of the HMI project.
🛠 Record communication settings before replacement.
🛠 Verify the screen and touch function after installation.
For long-term maintenance, keeping a backup of the HMI application project can significantly reduce recovery time when replacing a failed operator panel.
🔹 Common Questions
❓ Q: What is the Weintek cMT2128X?
A: It is a 12.1-inch industrial touchscreen HMI designed for machine control, process monitoring, and communication with industrial automation equipment.
❓ Q: What is the screen resolution?
A: The display resolution is 1024 × 768.
❓ Q: What type of touchscreen does it use?
A: The cMT2128X uses a 4-wire resistive touchscreen.
❓ Q: What power supply is required?
A: The unit operates from a nominal 24 VDC power supply with a specified tolerance of ±20%.
❓ Q: Does it have Ethernet communication?
A: Yes. The HMI provides two Ethernet ports.
❓ Q: Does it support serial communication?
A: Yes. It supports RS-232 and RS-485 communication configurations.
❓ Q: Does the unit support external storage?
A: Yes. It includes a microSD card slot and a USB Host port.
❓ Q: How much built-in memory does it have?
A: The cMT2128X includes 4 GB Flash memory and 1 GB RAM.
❓ Q: Can it be panel mounted?
A: Yes. It is designed for panel mounting and also supports VESA 75 × 75 mm mounting.
❓ Q: Is the cMT2128X suitable for direct replacement of every Weintek 12-inch HMI?
A: No. Before replacement, compare the panel cutout, power requirements, communication interfaces, HMI project compatibility, software version, and installed system configuration.
🔹 Related Weintek Models
1️⃣ cMT2108X2 – 10.1-Inch Touchscreen HMI
2️⃣ cMT2128X – 12.1-Inch Touchscreen HMI
3️⃣ cMT2158X – 15-Inch Touchscreen HMI
4️⃣ cMT2166X – 15.6-Inch Touchscreen HMI
5️⃣ cMT2168X – 15.6-Inch Industrial HMI
6️⃣ cMT3102X – Industrial Touchscreen HMI
7️⃣ cMT3108XH – 10.1-Inch Industrial HMI
8️⃣ cMT3108XP – Industrial Touchscreen HMI
9️⃣ cMT3152X – 15-Inch Touchscreen HMI
🔟 cMT3162X – 15.6-Inch Touchscreen HMI
🔹 Product Summary
The Weintek cMT2128X | 12.1-Inch Touchscreen HMI is designed for industrial visualization, operator control, and communication with automation equipment.
Its 12.1-inch WVA display, 1024 × 768 resolution, quad-core RISC processor, 4 GB Flash memory, 1 GB RAM, dual Ethernet ports, multiple serial interfaces, USB Host port, microSD expansion, and 24 VDC power design make it suitable for a wide range of industrial HMI applications.
Before installation or replacement, verify the complete model number, HMI project compatibility, panel dimensions, communication configuration, and power requirements against the existing automation system.
