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cMT-SVRX-820
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- 2 Ethernet, 1 USB, 1 Serial
- Quad-core RISC CPU
- 1GB RAM, 4GB Flash
- MQTT, OPCUA, SQL, Remote Access
- Supports display on Tablets, PC, and Web HMI product
- Optional CODESYS with Soft PLC Functionality
- DIN Rail Mount
Advanced Headless HMI
cMT-SVRX-820
Monitor PLC operations, gather data, and remotely access your control system via the cMT Viewer App on your smart phone, tablet, laptop, or PC. Add an EasyAccess2.0 license for additional remote capabilities.
- All the same HMI features you’re used to, just without a screen
- Our headless HMIs are compact and can be DIN Rail mounted with ease
- You have the option of displaying HMI screens served by a Maple headless HMI to any user with cMT Viewer installed on their Tablet, PC, or Smartphone
- Enough horsepower to ingest, process, and publish data from dozens of local or remote devices, sensors, etc.
- Built-in flash storage, with SD card slot for expansion and data backup
- Supports OPC UA and CODESYS too!
- Volume discounts available. Contact sales for more details.
- Connects to +400 PLCs and Controllers.
- US Based Technical Support
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System
Memory (RAM) | 1 GB |
Memory (Flash) | 4 GB |
RTC | Built-in |
Programming Software | EBPro (Latest Version) |
I/O Ports
Serial Ports | 3 |
Ethernet/LAN | LAN 1: 10/100 Base-T RJ-45 LAN 2: GbE RJ-45 |
CANbus | N/A |
Audio Output | N/A |
SD Card Slot | SD/SDHC (32GB capacity) |
USB Host Ports | USB 2.0 x 1 |
USB Client Ports | N/A |
Wi-Fi | N/A |
COM Port | 1 x DE9P COM1: RS-232, COM2: RS-485 2 or 4 wire, COM3: RS-485 2 wire |
HDMI Port | N/A |
Video Input | N/A |
Electrical
Input Power | 20.4 W |
Power Isolation | Built-in |
Isolation Resistance | Exceed 50 MO – @ 500 VDC |
Input Voltage | 24 ± 20% VDC |
Input Current | 850 mA @ 24 VDC |
Mechanical
Vibration Endurance | 10 to 25Hz (X, Y, Z direction 2G 30 minutes) |
Enclosure Material | Plastic, charcoal grey |
PCB Coating | Yes |
Dimensions WxHxD | 1.17 x 5.11 x 4.52 inches [29.8 x 130 x 115 mm] |
Panel Cutout (inches) [mm] | N/A |
Weight | Approx. 0.53 lbs. [0.24 kg] |
Mounting | 35 mm DIN Rail |
Environmental
Storage Temperature | -4 ~ 140°F (-20 ~ 60°C) |
Operating Temperature | 32 ~ 122°F (0 ~ 50°C) |
Relative Humidity | 10% ~ 90% (non-condensing) |
Certification
UL Type Rating | cULus |
IP Rating | IP20 |
CE | Yes |
UL | cULus Listed |
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 cMT-SVRX-820
We'll unbox, review I/O ports, hook it up to a Web HMI & demo remote access applications
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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
- EBPro Programming Manual
- cMT-SVRX Installation Guide
- cMT-SVRX Series User Manual
- EBPro Quick Start Guide
- cMT Quick Start Guide
- cMT MySQL Quick Start Guide
- cMT Microsoft SQL Quick Start Guide
- OPC-UA Set-up Overview
- EasyWeb 2.0 Operations Manual
- AWS IoT User Manual
- Azure IoT User Manual
Certifications
- CE-cMT-SVRX-820, cMT-SVRX-822
- UL-cMT Series
- RoHS all series
- EU Declaration of Conformity (Battery Regulations)
- Trade Agreement Act
- Russian Iron and Steel Declaration
- REACH Certification
- Country of Origin Certification
CAD Files
When you order the cMT-SVRX-820 the following items are included in the box:
- cMT-SVRX-820 Headless HMI
- Warranty Statement
- Installation Instruction
- Product Flyer
- Power Connector
