Raspberry Pi CM4 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM4

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
1 x RS232/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (B or M Key)
Mini-PCIe (USB2.0)
1 x Digital input
1 x Digital output

FeaturesSpecificationsProduct PhotosBoard Parts DescriptionOrdering InformationInquiryResources

Built-in Raspberry Pi CM4 (optional)
Wide Range Input Power DC9~32V
Multiple I/O Interfaces
Powerful Computing capability
CPU Heatsink Transfer Heat To Metal Casing
Ethernet, WiFi, Bluetooth, Serial Port, GPIO, HDMI, I2C, SD, USB, RTC, Buzzer, M.2 (for 5G), Mini-PCIe (for 4G/NB-IoT/LoRa)

RTC Real Time Clock x 1 (Battery backup)
Buzzer x 1
Watch Dog function
I2C interface x 1 port (built-in)
SPI interface (onboard)
Display port interface (DSI on raspberry pi onboard)
Camera port interface (CSI on raspberry pi onboard)

Pi CM4 Module (optional)
CPU : ARM v8 A72 Quad core 64-bit SoC 1.5 GHz
ROM : 8 / 16 / 32 G Bytes
RAM : 1 / 2 / 4 / 8 G Bytes LPDDR4 SDRAM
GPU : OpenGL ES 3.0 graphics
OS : Linux OS

Ethernet (RJ45 connector) : Gigabit LAN x 1 , 10/100 Mbps LAN x 1
WiFi 2.4 GHz and 5.0 GHz IEEE 802.11ac (IPEX cable & antenna optional)
Bluetooth 5.0 BLE (optional)
M.2 : USB 3.0 / PCIe for 5G, SSD (optional)
The M.2 slot can be either B key or M key
B key is for 5G
M key is for PCIe SSD or AI Coral Module

mini-PCIe : Only support PCIe based on USB for 4G/NB-IoT/ LoRa (optional)
SIM slot for 4G / 5G

Micro HDMI x 1 for Video / Audio (up to 4KP 60)
H.265 (4KP 60 decode)
H.264 (1080P 60 decode, 1080P 30 decode)

Serial Port
RS232/485/422 x 1
RS232/485 x 1

USB 3.0 x 2
USB 2.0 x 2

Digital Input / Output GPIO x 2 pins
Digital Input x 1 pin (Active High / Active Low Selective)
Dry contact
Logic level 0 : close to GND
Logic level 1 : open
Wet contact
Logic level 0 : 0~3 V
Logic level 1 : 10~30 V
Digital Output x 1 pin (Active High / Active Low Selective)
120VAC @ 0.5A , 240VAC @ 0.25A , 30VDC @ 1A

LED indicator : SYS (PWR) , 5G , 4G , DO , DI , Serial

Operating Temperature : -10 ~ 75 ºC
Storage Temperature : -15 ~ 80 ºC
Dimension : 170 x 110 x 30 mm (W x D x H)
Weight : 950 ± 5 g
Casing : Metal
Power : DC 9~32V, 1000mA@12V Support DC Jack and Terminal input

Specifications are subject to change without prior notice

  1. Computer Module Interface : for CM4 (optional EMMC 8/16/32 G RAM 1/2/4/8 G)
  2. Input Power : DC Jack 9~32 V (24 Watt)
  3. Input Power : Terminal Block 9~32 V (24 Watt)
  4. DC Output for external I/O Device same with Input Power voltage
  5. DC 5V 500mA output for External I/O Device
  6. WiFi / Bluetooth Enable/Disable Jumper
  7. EEPROM Write Protect Enable/Disable Jumper
  8. CM4 GPIO 3.3V/1.8V Select Jumper
  9. RTC / Global Reset Select Jumper
  10. Pi Boot Select Jumper
  11. CM4 Image Download/Upload Select Jumper
  12. LED for Pi Power , EMMC , System (Custom define GPIO-22)
  13. USB 1 : USB 2.0 for CM4 Image Download / Upload
  14. LAN 2 : 10/100 Mbps
  15. LAN 1 : Giga LAN
  16. USB 3/4 : USB 3.0
  17. USB 5 : USB 3.0 for expansion for AI , USB dongle
  18. Serial 1 : RS485/RS422
  19. LED : Serial transmission working indication LED
  20. Serial 0 : RS485
  21. LED : DO / DI working indication LED
  22. DO : Active High/Low Select Jumper
  23. Digital Output : DO 1
  24. DO : NC / NO Select Jumper
  25. Digital Input : DI 1
  26. DI 2~5 : optional
  27. LED : 4G / 5G working indication LED
  28. DI : Dry/Wet Contact Select Jumper
  29. DI : Active High/Low Select Jumper
  30. Serial 1 : RS232
  31. Serial 1 : RTS / CTS
  32. Serial 0 : RS232
  33. DI 1~5 GPIO
  34. SPI
  35. DO 1~4 GPIO
  36. RTC + Backup Battery
  37. Buzzer ( GPIO 26 )
  38. Nano SIM slot for 5G / 4G / NB-IoT
  39. M.2 slot : B Key for 5G ( 3042 / 3052 ) or M Key for PCIe SSD , AI ( 2242 / 2260 / 2280 )
  40. mini PCIe for 4G / NB-IoT ( back side )
  41. HDMI
  42. Soft-Reset ( GPIO 25 )
  43. CSI – LAN 2
  44. DC 3.3V 200mA output for External I/O Device

The M.2 slot can be either B key or M key.
Please select the right type to be installed.

M.2 slot type Suit for
B key 5G
M key PCIe SSD or AI Coral Module
ItemDescription
PiCM4EBRaspberry Pi CM4 Expansion Board; Giga LAN*1, 10/100 LAN*1, USB3.0*2, USB3.0*1(onboard), USB2.0*2, RS232/422/485*1, RS232/485*1, RTC*1, Buzzer*1, HDMI *1, I2C*1, SPI*1, CSI*1, M.2*1(B or M key)
PiCM4Raspberry Pi CM4 Expansion Board with Enclosure; Giga LAN*1, 10/100 LAN*1, USB3.0*2, USB3.0*1(onboard), USB2.0*2, RS232/422/485*1, RS232/485*1, RTC*1, Buzzer*1, HDMI *1, I2C*1, SPI*1, CSI*1, M.2*1 (B or M key), USB cable*1, Cooling fan*1
CM4 ModuleCM4 ARM Cortex A72 1.5 GHz, eMMC 8/16/32 G; RAM 1/2/4/8 G; with or without WiFi & Bluetooth
IPEXANT-WBIPEX cable & antenna for CM4 module onboard WiFi & Bluetooth
Power supplySwitching power supply 12V/2A 100~240V
DIN rail kitDIN rail mounting kit, 2E4S ( 2 Ears + 4 Screws )
4G 7600G mPCIe4G SIMCOM 7600G mini PCIe (USB) including 1 set of IPEX cable+antenna; LTE Global
5G 8202G M2B5G SIMCOM 8202G M.2 Key B USB3.0 incl. 4 sets of IPEX cable & antenna
4 sets of antennas are recommended for best performance.
5G MV31W M2B5G Thales MV31-W M.2 Key B USB3.0 incl. 4 sets of IPEX cable & antenna
4 sets of antennas are recommended for best performance.
4xDI4 Additional Digital Inputs

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    File Description File size
    pdf CM4 OS Installation Data Transfer Guide 20210820A (en) CM4 OS Installation Data Transfer Guide 20210820A (en)
    2 MB
    pdf CM4 OS Installation Data Transfer Guide 20210820A (tw) CM4 OS Installation Data Transfer Guide 20210820A (tw)
    2 MB
    txt CM4 OS Installation software download link CM4 OS Installation software download link
    228 B
    pdf CM4 Test Guide 210504 (en) CM4 Test Guide 210504 (en)
    107 KB
    pdf CM4 Test Guide 210504 (tw) CM4 Test Guide 210504 (tw)
    60 KB
    zip Files for peripherals for embedding into CM4 OS config.txt and mypi.sh for embedding into CM4 OS so peripherals can be enabled
    3 KB
    pdf PiCM4 RTC Datasheet PiCM4 RTC Datasheet PCF85063A
    709 KB
    pdf RTC PCF85063 Test Guide (en) RTC PCF85063 Test Guide (en)
    14 KB
    pdf RTC PCF85063 Test Guide (tw) RTC PCF85063 Test Guide (tw)
    42 KB
    pdf PiCM4 Extension Board Pin Assignments PiCM4 Extension Board Pin Assignments Aug 25, 2021
    78 KB
    pdf PiCM4 Housing Layout PiCM4 Housing Layout
    147 KB