ED-HMI3120-070C: 7-inch Industrial HMI Panel PC
by EDA Technology Co., Ltd
Built: 2025-09-23
Overview
The ED-HMI3120-070C is a 7.0-inch industrial panel PC based on the Raspberry Pi CM5. It features a high-resolution capacitive touchscreen, a powerful Broadcom BCM2712 quad-core processor, and extensive connectivity options suitable for industrial applications.
Key Features
- 7.0" TFT display with 1024x600 resolution and multi-point capacitive touch.
- Broadcom BCM2712 quad-core Arm Cortex-A76 (ARM v8) 64-bit 2.4GHz SoC.
- Up to 16GB LPDDR4 RAM and 64GB eMMC storage.
- Expansion options via Micro SD card and M.2 NVMe SSD.
- Dual Ethernet ports: 1 x Gigabit and 1 x 100M.
- 4 x RS232/485 serial ports with isolation, ESD protection, and surge protection.
- Integrated 2.4GHz & 5GHz Wi-Fi, Bluetooth, and optional 4G connectivity.
- Wide voltage input (9V~36V DC) with overcurrent, overvoltage, and reverse polarity protection.
- Optional supercapacitor backup power, RTC, Watch Dog, and EEPROM.
- Supports embedded installation and VESA 75x75 standard bracket mounting.
Specifications
| Category | Details |
|---|---|
| System | |
| CPU | Broadcom BCM2712 4-core Cortex-A76 (ARM v8) 64-bit 2.4GHz SoC |
| VPU | H.265 (HEVC) hardware decoding, up to 4Kp60. |
| GPU | OpenGL ES 3.1 & Vulkan 1.2 |
| Memory | |
| RAM | 2GB/4GB/8GB/16GB LPDDR4-4267 SDRAM (Optional) |
| Storage | 16GB/32GB/64GB eMMC flash (Optional) |
| Expansion Storage | 1 x Micro SD card slot (for user data storage) |
| SSD Expansion | 1 x M.2 B-Key slot (for 2230/2242 SSD storage expansion, supports 128GB/256GB/512GB options) |
| Software | |
| Operating System | Raspberry Pi OS (Desktop) 64-bit or Raspberry Pi OS (Lite) 64-bit |
I/O Interfaces
Front Panel
- Camera: Optional 8MP front-facing camera.
Side Panel I/O
- Power Input: 1 x DC input, 2-Pin 3.5mm pitch terminal block with screw lock. Supports 9V~36V input. Signal definition: VIN+/GND.
- Audio Interface: 1 x Audio input / stereo output, 3.5mm audio jack. Can be used as microphone input or stereo output. Switches to headphone output when headphones are plugged in; switches to speaker output when headphones are not plugged in.
- RS485 Interface: 2 x RS485, 6-Pin 3.5mm pitch terminal block with isolation, ESD protection, and surge protection. Signal definition per line: IGND/A/B.
- RS232 Interface: 2 x RS232, 6-Pin 3.5mm pitch terminal block with isolation, ESD protection, and surge protection. Signal definition per line: IGND/TX/RX.
- 1000M Ethernet Port: 1 x Ethernet port (10/100/1000M adaptive), RJ45 connector, for network access.
- 100M Ethernet Port: 1 x Ethernet port (10/100M adaptive), RJ45 connector, for network access.
- SD Card Slot: 1 x Micro SD card slot, supports Micro SD card for user data storage.
- SIM Card Slot: 1 x Nano SIM card slot, for 4G LTE module connection.
- Micro USB Interface: 1 x Micro USB, supports eMMC flashing via this interface.
- HDMI Interface: 1 x HDMI Type-A connector, compatible with HDMI 2.0 standard, supports 4K 60Hz resolution.
- USB Interface: 2 x USB 2.0 Type-A ports, each supporting up to 480Mbps transfer speed.
- Antenna Interface: 2 x SMA connectors (Optional), for 4G and Wi-Fi/BT antennas.
- Speaker: 1 x Amplifier output, with a built-in 4Ω 3W speaker.
Buttons and Indicators
| Item | Description |
|---|---|
| Reset | 1 x Reset button for device reset. |
| PWR | 1 x Power indicator LED (Red): Indicates device power status (on/off). |
| ACT | 1 x System status indicator LED (Green): Indicates device operation status. |
| USER | 1 x User indicator LED (Green): Customizable for user-defined status. |
| COM1-COM4 | 4 x Serial port indicator LEDs (Green): Indicate serial port communication status. |
| 4G | 1 x 4G signal indicator LED (Green): Indicates 4G signal status. |
LCD Screen
| Parameter | Value |
|---|---|
| Screen Type | 7.0" TFT |
| Resolution | 1024 x 600 |
| Maximum Colors | 16.7M |
| Display Area | 154.21mm (H) x 85.92mm (V) |
| Backlight | LED |
| Backlight MTBF | > 30000h |
| Brightness | 400 cd/m² |
| Contrast Ratio | 800:1 |
| Response Time | 30ms |
| Viewing Angle (CR≥10) | 85° (L) / 85° (R) / 85° (U) / 85° (D) |
Touchscreen
| Parameter | Value |
|---|---|
| Type | Multi-point capacitive touchscreen |
| Transmittance | ≥ 85% |
| Connection Method | COF (Chip-on-Flex) |
| Communication Protocol | I2C |
| Driver Support | Linux |
| Multi-touch Points | Up to 5 points |
| Surface Hardness | 6H |
Extended Functions
- EEPROM: Supports 4K Byte storage capacity to enhance system usability.
- Crypto Chip: Can be used for upper-layer applications and enhance system security.
- RTC (Real-Time Clock): Integrated supercapacitor backup power ensures system clock accuracy even when the device is powered off. An optional CR1220 battery can be used for RTC backup.
- Buzzer: Configurable for alerts or exceptions to provide audible notifications.
- Watch Dog: Hardware Watch Dog timer is pre-installed; requires additional software support (currently under development).
Electrical and Mechanical Parameters
| Parameter | Value |
|---|---|
| Input Voltage | 9V ~ 36V DC |
| Maximum Power Consumption | 24W |
| Dimensions (L x W x H) | 188mm x 123mm x 43.5mm (excluding antennas) |
| Weight | 1kg |
| Mounting Type | Embedded front mounting |
Wireless Connectivity
Wi-Fi/Bluetooth (Optional)
- Supports 2.4GHz & 5GHz dual-band Wi-Fi and Bluetooth 5.0.
- 2.4GHz Wi-Fi: Compliant with IEEE 802.11 b/g/n.
- 5GHz Wi-Fi: Compliant with IEEE 802.11 a/n/ac.
- Bluetooth: Supports 2402MHz ~ 2480MHz frequency band.
4G LTE (Optional)
Connects via Mini PCIe interface with various 4G LTE modules:
- EC20-CE Module (China/India): LTE FDD: B1/B3; LTE TDD: B38/B39/B40/B41; TDSCDMA: B34/B39; WCDMA: B1; CDMA 1x/EVDO: BC0; GSM: 900/1800MHz. Optional GPS/GLONASS/BDS/Galileo/QZSS.
- EC25-AFX Module (North America): LTE-FDD: B2/B4/B5/B12/B13/B14/B66/B71; LTE-TDD; WCDMA: B2/B4/B5; GSM/EDGE; Optional GPS/GLONASS/BDS/Galileo/QZSS.
- EC25-AUX Module (Latin America/Australia/New Zealand): LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28; LTE-TDD: B40; WCDMA: B1/B2/B4/B5/B8; GSM/EDGE: B2/B3/B5/B8; Optional GPS/GLONASS/BDS/Galileo/QZSS.
- EC25-EUX Module (Europe/Middle East/Africa/Thailand): LTE-FDD: B1/B3/B7/B8/B20/B28A; LTE-TDD: B38/B40/B41; WCDMA: B1/B8; GSM/EDGE: B3/B8; Optional GPS/GLONASS/BDS/Galileo/QZSS.
- EC25-EFA Module (Europe/Middle East/Africa/South-East Asia): LTE-FDD: B1/B3/B7/B8/B20/B28; LTE-TDD: B38/B40/B41; WCDMA: B1/B5/B8; GSM/EDGE: B3/B8; Optional GPS/GLONASS/BDS/Galileo/QZSS.
Environmental Parameters & Regulations
| Parameter | Value |
|---|---|
| Operating Temperature | -20°C ~ 50°C |
| Storage Temperature | -25°C ~ 60°C |
| Operating Humidity | 5% ~ 95% (Non-condensing) |
System Block Diagram
The system is built around the Raspberry Pi CM5 module. Key components and their connections include:
- Power Input: 9V-36V DC input via a 3.5mm 2-Pin connector, with DC-DC conversion for various voltage rails.
- Central Processing Unit: Raspberry Pi CM5 SoC.
- Memory: DDR RAM and eMMC flash storage integrated on the CM5.
- Storage Expansion: Micro SD card slot and M.2 B-Key slot for SSDs.
- Connectivity:
- Ethernet: 1000M and 100M Ethernet ports via RJ45 connectors.
- Serial Ports: 2 x RS232 and 2 x RS485 ports via 3.5mm 6-Pin connectors, with I/O isolation.
- USB: Multiple USB 2.0 ports (Type-A and Micro USB) for peripherals and flashing.
- Wireless: Optional 4G LTE module with SIM card slot and antenna connectors; Optional Wi-Fi/BT module with antenna connectors.
- Peripherals: Audio input/output, HDMI output, camera interface (optional), buzzer, RTC, Watch Dog, EEPROM, and crypto chip.
- User Interface: Reset button, status LEDs (PWR, ACT, USER, COM1-COM4, 4G).
- Display Interface: DSI interface for the 7.0" LCD with touch screen.
Product Dimensions
The unit has overall dimensions of 188mm (width) x 123mm (height) x 43.5mm (depth), excluding antennas. It features a VESA 75x75mm mounting pattern on the rear for easy installation.
Detailed Dimensions (approximate):
- Overall Width: 188 mm
- Overall Height: 123 mm
- Depth: 43.5 mm
- Mounting Hole Pattern: 75mm x 75mm (M4 screw holes)
Ordering Information
Ordering Code Structure
The ordering code follows a modular structure, allowing customization:
Example: ED-HMI3120-070CC-10216-4CN-S
Breakdown:
- ED-HMI3120-070C: Base model series and screen size.
- C: With Camera.
- 1: With Wi-Fi & Bluetooth.
- 4CN: EC20-CE 4G Module (China/India Version).
- 02: 2GB DDR RAM.
- 16: 16GB eMMC storage.
- S: With Super Capacitor Module.
Other options include different RAM/eMMC sizes, camera presence, Wi-Fi/BT presence, and various 4G LTE modules for different regions.
Optional Accessories (Power Adapters)
Power adapters are available separately to match regional requirements:
- ED-PSU1202-UK-3.5PL: 100~240VAC to 12VDC/2A Adapter with UK AC plug and 3.5mm pitch phoenix plug.
- ED-PSU1202-US-3.5PL: 100~240VAC to 12VDC/2A Adapter with US AC plug and 3.5mm pitch phoenix plug.
- ED-PSU1202-AU-3.5PL: 100~240VAC to 12VDC/2A Adapter with AU AC plug and 3.5mm pitch phoenix plug.
- ED-PSU1202-EU-3.5PL: 100~240VAC to 12VDC/2A Adapter with EU AC plug and 3.5mm pitch phoenix plug.
Each adapter model includes plugs for its specified region only.
Package Contents
- 1 x ED-HMI3120-070C Host Unit
- 1 x Accessory Kit (includes 4 x mounting clips, 4 x M4*10 screws, and 4 x M4*16 screws)
- [Optional Wi-Fi/BT Version] 1 x 2.4GHz/5GHz Wi-Fi/BT Antenna
- [Optional 4G Version] 1 x 4G/LTE Antenna
