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21.5" High Performance Wide-Screen HMI with Capacitive Touch
cMT3218XP
Our cMT3218XP has a rugged, NEMA-4 compliant aluminum enclosure, capacitive touchscreen with a full HD display, offering both durability and user-friendly design, supporting intuitive touch gestures – even with gloves. With an IP66 rated front panel, this 21.5″ high-performance HMI is ideal for industrial automation, machine control, self-service kiosks and even digital signage, helping businesses accelerate smart manufacturing and streamlining data-driven management.
Try Before You Buy: Follow along to learn how EBPro, our 100% free HMI configuration software, allows you to develop and simulate your HMI program entirely free of charge.
- Compare cMT3218XP and other models.
 - Volume discounts available. Contact sales for more details.
 - Customize your product with your company logo. Minimum quantities apply.
 - Connect to +400 PLCs and Controllers.
 - US Based Technical Support
 
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cMT3218XP Highlights
- 1920 x 1080 Resolution Capacitive Wide-Screen Touchscreen
 - 32-bit RISC Quad-Core Cortex-A17, 1.6 GHz CPU
 - Supports CANbus. 2 Ethernet, 2 USB, 2 Serial Ports
 - Panel or VESA mount
 - IIoT, Remote Access, MQTT, OPCUA Client/Server, SQL Database
 - Capable of Running CODESYS, Web Browser, Email, and more
 
System
| CPU | Quad-Core RISC  | 
| Memory (RAM) | 2 GB  | 
| Memory (Flash) | 4 GB  | 
| RTC | Built-in  | 
| Programming Software | EBPro (Latest Version)  | 
I/O Ports
| Ethernet/LAN | LAN 1: 10/100/1000 Base-T x 1; LAN 2: 10/100 Base-T x 1  | 
| CANbus | Yes  | 
| Audio Output | Built-in Mono Speaker  | 
| SD Card Slot | N/A  | 
| USB Host Ports | USB 2.0 x 2  | 
| USB Client Ports | N/A  | 
| Wi-Fi | N/A  | 
| COM Port | CANbus 1 x DE9S COM2: RS-485 2 or 4 wire, COM3: RS-485 2 wires 1 x DE9P COM1: RS-232 4 wire, COM3: RS-232 2 wire  | 
| RS-485 Dual Isolation | N/A  | 
| Local bus | N/A  | 
| HDMI Port | N/A  | 
| Video Input | N/A  | 
| Siemens MPI | N/A  | 
| Serial Ports | 2  | 
Display
| Display Size | 21.5” FHD TFT LCD  | 
| Resolution | 1920 x 1080  | 
| Luminance (cd/m^2) | 500  | 
| Contrast Ratio | 1000:1  | 
| Backlight Type | LED  | 
| Backlight Lifetime (hrs) | 30,000+  | 
| Colors | 16.7 M  | 
| Display Type | 21.5” Widescreen TFT FHD LCD  | 
| Viewing Angle (H°/V°) | 178/178  | 
| Size (W x H) | 18.75 x 10.56 inches [476 x 268.2 mm]  | 
Touch Screen
| Type | Tempered Glass, Capacitive Touch  | 
| Accuracy | N/A  | 
| Touch Panel Hardness Scale | ≥ 6H  | 
Electrical
| Input Power | 43.2 W Max  | 
| Power Isolation | Built-in  | 
| Power Dissipation | N/A  | 
| Current for Internal Bus | N/A  | 
| Current Consumption | N/A  | 
| Isolation Resistance | Exceed 50 MΩ – @ 500 VDC  | 
| Input Voltage | 24 ± 20% VDC  | 
| Input Current | 1.8 A @ 24 VDC  | 
Mechanical
| Vibration Endurance | 10 to 25 Hz (X, Y, Z direction, 2G, 30 minutes)  | 
| Enclosure Material | Aluminum, charcoal grey  | 
| PCB Coating | Yes  | 
| Dimensions WxHxD | 21.5 x 13.94 x 1.87 inches [546 x 354 x 47.5 mm]  | 
| Panel Cutout (inches) [mm] | 20.94 x 13.39" [532 x 340 mm]  | 
| Weight | Approx. 12.13 lbs. [5.5 kg]  | 
| Mounting | Panel mount, VESA 100 x 100 mm  | 
Environmental
| Operating Temperature | 32° ~ 122°F (0° ~ 50°C)  | 
| Storage Temperature | -4° ~ 140°F (-20° ~ 60°C)  | 
| Relative Humidity | 10% ~ 90% (non-condensing)  | 
Certification
| CE UKCA | Yes  | 
| UL Type Rating | N/A  | 
| NEMA Rating | NEMA4  | 
| IP Rating | IP66 Compliant Front Panel  | 
| CE | Yes  | 
| UL | No  | 
| Class 1 Div 2 | N/A  | 
| ATEX | N/A  | 
| RoHS | Yes  | 

Connect a Maple Systems HMI to a Maple Systems PLC
Whether you are new to Maple Systems or know our HMIs well, pairing one of our powerful HMIs with a low-cost PLC is easy.
Unboxing a cMT3218XP
We'll show what you get in the box, review the I/O ports and some of the features, and explore a demo project and system settings.
FREE User Friendly HMI Software
Download our free, full-featured HMI configuration software to create custom control applications for your industrial process. EBPro supports over 300 PLC & controller protocols, ensuring seamless integration with new or existing systems. No license or key required.

Documents
Manuals
- cMT3218XP Series Installation Guide
 - EBPro Programming Manual
 - EBPro Quick Start Guide
 - EasyWeb 2.0 Operations Manual
 - cMT2000/3000X Series User Manual
 - MQTT User Manual
 - OPC-UA Set-up Overview
 - cMT Microsoft SQL Quick Start Guide
 - cMT MySQL Quick Start Guide
 - CODESYS Quick-Start Guide
 - AWS IoT User Manual
 - Azure IoT User Manual
 
Certifications
- CE UKCA Declaration of Conformity – cMT3218XP
 - UL-cMT Series
 - EU Declaration of Conformity (Battery Regulations)
 - RoHS all series
 - REACH Certification
 - Trade Agreement Act
 - Russian Iron and Steel Declaration
 - Country of Origin Certification
 
CAD Files
When you order the cMT3218XP the following items are included in the box:
- cMT3218XP Touchscreen HMI
 - Warranty Statement
 - Installation Instruction
 - Product Flyer
 - Power Connector
 - Mounting Clips
 









