# Introduction

CM4 Industrial is an industrial embedded computer based on Raspberry Pi Compute Module 4. The system can be configured by 1GB/2GB/4GB/8GB RAM and 8GB/16GB/32GB EMMC according to different applications, supporting SD card startup.

It provides a variety of industrial communication interfaces and functions, such as RS232, RS485, high-precision ADC, isolated IO input, relay control, real-time clock of battery backup and alarm buzzer. Besides, 1x Ethernet interface with POE function, 1x 10/100M port, 4G/LTE module, external antenna support, certified 2.4/5.8G dual-band WIFI and Bluetooth are also provided. Moreover, ED-CM4INDUSTRIAL supports official 1x 8-megapixel camera, 1x DSI display port and 1x HDMI cable port.

Other features of ED-CM4INDUSTRIAL are also worth mentioning, for example, onboard 32Mb serial Flash is used to store system data, power supply is available in a wide range of 8~36V*, and ESD protection is provided for all important interfaces.


* CM4 Industiral released V1.1, V1.2, V1.3, V1.4, V1.1~V1.3 support 8V~18V DC input, V1.4 supports 8V~36V DC input.

The users can add more functions on the board through PCI-e 1x Gen2 interface, the standard 40 pins connector, 2x 4-pin USB interface for internal expansion, 1x TTL electric level RS232 interface, etc. to fully utilize its powerful communication capability to satisfy all kinds of requirement in CM4 Industrial.

# Hardware Specification

  • Broadcom BCM2711
    • Quad-core, Cortex-A72, 1.5GHz ARM v8 64-bit CPU
    • Support H.264, H.265 decoding, Support 4Kp60 video play
    • Support H.264 encoding
    • Support OpenGL EL 3.0
  • DDR
    • LPDDR4, up to 3200MT/s
    • 1GB | 2GB | 4GB | 8GB
  • Storage
    • 8GB | 16GB | 32GB eMMC or micro SDCard

# Storage

  • micro SDCard Slot (Only For CM4 Lite)
  • On-board 32Mbits / 4MBytes SPI Flash

# Camera and Displays

  • 2x CSI, Support Raspberry Pi Official 5M & 8M Cameras
  • 1x standard HDMi Type-A
  • 1x DSI, Support Raspberry Pi Official 7" Touch Display
  • 1x HDMI FPC, Support Touch Display

# Wired Interfaces

  • 1x 10/100/1000M Gigabit-Ethernet, Support PoE(with Raspberry Pi PoE HAT)
  • 1x 10/100M Fast-Ethernet
  • 2x USB 2.0 Host Type A
  • 1x micro-B USB Slave(For eMMC Flashing)

# Wireless

  • 1x 2.4G/5.8G Dual-band WiFi, Compatible with IEEE 802.11 b/g/n/ac
  • 1x Bluetooth 5.0, Support BLE
    • Optional Raspberry Pi Official External WiFi/BT antenna, certified with Raspberry Pi CM4
  • 1x Optional 4G LTE module

# Industrial Interfaces and Fucntions

  • 2x RS485
  • 1x RS232
  • 1x Serial(TTL)
  • 3x ADC Channel(12-bits)
  • 2x isolated DI
  • 1x non-isolated IO
  • 1x DPDT Relay
  • 1x adjustable speed fan control
  • 1x RTC with backup battery
  • 1x LED for power indication
  • 1x LED for system working status indication
  • 1x system reset button
  • 1x user custom button
  • 1x Buzzer

# Expansion Interfaces

  • 1x standard Raspberry Pi 40-PIN GPIO
  • 1x Mini-PCIe
    • 1-lane PCIe Gen2, up to 5Gbps
    • 1x USB 2.0 Host, Support 4G LTE modules
  • 2x USB Host Pin Header(1x4 2.54mm)
  • 1x Serial(TTL) Pin Header(1x4 2.54mm)

# Power In

  • 8 ~ 36V* DC In, Power Jack, Optional Phoenix terminal for Power In

# Operating Temperature

  • -25 ~ 50°C

# Software

# Raspberry Pi Ecosystem

  • Compatible with Origin Raspberry Pi OS, support 32-bit and 64-bit OS
  • Support install and update BSP with apt-get
  • Support Kernel and OS Upgrade
  • Pre-installed Os in eMMC, ready-to-use

# Interface Diagram

# Top

# Bottom

# Ordering Code

# Specification

Feature Description
CPU Broadcom BCM2711 quad core, ARM Cortex-A72(ARM v8), 1.5GHz, 64-bit CPU
RAM 1GB / 2GB / 4GB / 8GB LPDDR4-3200
eMMC 0GB / 8GB / 16GB / 32GB
SD Card micro SD Slot, for CM4 Lite(without eMMC) only
Ethernet Dual Ethernet, 1x Gigabit-Ethernet, 1x Fast-Ethernet
WiFi / Bluetooth 2.4G / 5.8G Dual-band WiFi, Bluetooth 5.0, Support BLE
4G Support Quctel EC20/EC25 4G LTE module
HDMI 1x standard HDMI
HDMI FPC Touch Display 1x FPC HDMI, Support touch(USB) and brightness adjustment(PWM)
DSI 1x DSI, Support Raspberry Pi official 7" Touch Display
Camera 2x CSI, Support Raspberry Pi official 5M & 8M Cameras
USB Host 2x USB 2.0 Type A, 1x USB 2.0 integrated in Mini PCIe, 2x USB Host Pin Header ,1x USB micro-B for eMMC Flashing
RS485 2x RS485
RS232 1x RS232
Serial(TTL) 1x Serial(TTL), Default is Linux System Serial console, can be configurated as normal serial port
ADC 3x ADC(12-bits) Channels
Isolated IO 2x DI
Non-Isolated IO 1x GPIO (Pin Header)
Relay 1x DPDT Relay
Mini PCIe 1-lane PCIe 2.0, up to 5Gbps, 1x USB 2.0 Host
40-PIN GPIO Raspberry Pi standard 40-PIN GPIO, Support HAT expansions
Buzzer 1x Buzzer
FAN 1x adjustable speed fan control
DC Power Output 5V@1A, Could supply Raspberry Pi official 7" Touch Display
LED Indicator RED(Power), Green(System Status)
Power In 8V ~ 36V*
Dimension 130(L) x 115(W) x 20(H) mm
Case Metal Case, Support DIN rail mounting
Antenna Optional certified WiFi/BT External antenna with Raspberry Pi CM4, Optional 4G Antenna
Operating Temperature 0 ~ 50°C or -25 ~ 50°C
OS Compatible with Raspberry Pi OS, support 32-bit and 64-bit, Support install and update BSP with apt-get

# Product Photos

# CM4 Industrial With Case


* CM4 Industiral released V1.1, V1.2, V1.3, V1.4, V1.1~V1.3 support 8V~18V DC input, V1.4 supports 8V~36V DC input.