DEBIX BPC-iMX8MP-03 Industrial Computer
Specifications
- Model: BPC-iMX8MP-03 Industrial Computer
- Manufacturer: Polyhex Technology Company Limited
- Components: DEBIX SOM A core board, DEBIX SOM A I/O board, steel and aluminum enclosure
- Features: Ruggedized, dustproof, anti-vibration, shock-resistant, wide temperature range
- Portability: Yes
FAQs
- Q: Can I disassemble the BPC-iMX8MP-03 Industrial Computer by myself?
- A: For safety reasons, the product can only be disassembled by professional personnel to avoid any damage or safety hazards.
- Q: What should I do if the equipment shows signs of damage or malfunction?
- A: If you notice any damage, malfunction, exposure to moisture, or operation issues, contact service personnel immediately for proper inspection and assistance.
PRODUCT INFORMATION
- Version: V1.0(2023-03)
- Complied by: Polyhex Technology Company Limited（http://www.polyhex.net/）
- BPC-iMX8MP-03 Industrial Computer is a ruggedized and protected computer. It is composed of a DEBIX SOM A (core board), a DEBIX SOM A I/O board (carrier board), and a steel and aluminum enclosure. It combines various types of harsh environment resistance features, including ruggedness, dustproof, anti-vibration, shock resistance, wide temperature, portability, and other indicators.
| REVISION HISTORY | ||
| Rev. | Date | Description |
| 1.0 | 2023.03.17 | First edition |
Security
Safety Precaution
This document informs how to make each cable connection. In most cases, you will simply need to connect a standard cable.
Table 1 Terms and conventions
| Symbol | Meaning |
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Always disconnect the power cord from the chassis whenever there is no workload required on it. Do not connect the power cable while the power is on. A sudden rush of power can damage sensitive electronic components. Only experienced electricians should open the chassis. |
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Always ground yourself to remove any static electric charge before touching the BPC-iMX8MP-03 product. Modern electronic devices are very sensitive to electric charges. Use a grounding wrist strap at all times. Place all electronic components on a static-dissipative surface or in a static-shielded bag. |
Warning!
Caution!Safety Instruction
To avoid malfunction or damage to this product please observe the following:
- Disconnect the device from the DC power supply before cleaning. Use a damp cloth. Do not use liquid detergents or spray-on detergents.
- Keep the device away from moisture.
- During installation, set the device down on a reliable surface. Drops and bumps will lead to damage.
- Before connecting the power supply, ensure that the voltage is in the required range, and the way of wiring is correct.
- Carefully put the power cable in place to avoid stepping on it.
- If the device is not used for a long time, power it off to avoid damage caused by sudden overvoltage.
- Do not pour liquid into the venting holes of the enclosure, as this could cause fire or electric shock.
- For safety reasons, the device can only be disassembled by professional personnel.
- If one of the following situations occurs, get the equipment checked by service personnel:
- The power cord or plug is damaged.
- Liquid has penetrated the equipment.
- The equipment has been exposed to moisture.
- The equipment does not work well, or you cannot get it to work according to the user’s manual.
- The equipment has been dropped and damaged.
- The equipment has obvious signs of breakage.
- Do not place the device in a place where the ambient temperature is below -20°C (-4°F) or above 70°C (158°F). This will damage the machine. It needs to be kept in an environment at controlled temperature.
- Due to the sensitive nature of the equipment, it must be stored in a restricted access location, only accessible by qualified engineers.
DISCLAIMER: Polyhex disclaims all responsibility for the accuracy of any statement of this instructional document.
Technical Support
- Visit the DEBIX website https://www.debix.io/ where you can find the latest information about the product.
- Contact your distributor, sales representative, or Polyhex’s customer service center for technical support if you need additional assistance. Please have the following info ready before you call:
- Product name and memory size
- Description of your peripheral attachments
- Description of your software(operating system, version, application software, etc.)
- A complete description of the problem
- The exact wording of any error messages
- Discord Community (recommended): https://discord.com/invite/adaHHaDkH2
- Email: info@polyhex.net.
Industrial Computer Introduction
BPC-iMX8MP-03 Industrial Computer Introduction
BPC-iMX8MP-03 Industrial Computer is a compact and secure computer, designed for industrial applications and can be widely used in machine vision and machine learning, advanced multimedia, smart cities, edge computing and other solutions that require high reliability.
Main features:
- Stainless steel and aluminum enclosure with MTBF>50,000 hours
- It encompasses a DEBIX SOM A and DEBIX SOM A I/O Board
- Support boot from eMCC, Micro SD card, and SPI NOR Flash
- Support dual Gigabit Ethernet, 2.4GHz & 5GHz dual-band Wi-Fi, Bluetooth 5.,0 and a Mini PCIe 4G module/LoRa module/network card
- Support 4 x USB 3.0, 2 x USB 2.0, physically isolated interfaces: 4 x RS232, 2 x RS485/RS232/CAN, 4 x DI, 4 x DO
- Support for Ubuntu, Android, Yocto, Windows 10 IoT
Overview
BPC-iMX8MP-03 Industrial Computer uses DEBIX SOM A and DEBIX SOM A I/O Board connection as the main board, which supports dual Gigabit Ethernet, three boot modes, shock and vibration resistance, etc.. The data specifications are as follows.
Table 2 BPC-iMX8MP-03 Industrial Computer Specification
| System | |
| Motherboard | DEBIX SOM A + DEBIX SOM A I/O Board |
| Model | BPC-iMX8MP-03 |
| Memory | 2GB LPDDR4 (1GB/4GB/8GB optional) |
| Storage | Onboard 16GB eMMC (8GB/32GB/64GB/128GB/256GB optional) |
| OS | Ubuntu 20.04, Android 11, Yocto-L5.10.72_2.2.0, Windows 10 IoT Enterprise |
| Boot Mode | 1) Support DEBIX SOM A board eMCC boot (default)
2) Support DEBIX SOM A I/O Board Micro SD card boot 3) Support DEBIX SOM A I/O Board SPI Nor Flash boot (reserved) |
| Communication | |
| Gigabit Network | 2 x Independent MAC RJ45 Gigabit Ethernet ports, both support
POE power supply (need POE power device module) |
| Wi-Fi & Bluetooth | 2.4GHz & 5GHz dual-band Wi-Fi, Bluetooth 5.0, external Wi-Fi and
4G SMA antenna interface |
| Video & Audio | |
| HDMI | 1 x HDMI output, the connector is Type A HDMI female |
| Audio | 1 x headphone output and microphone input combo interface, the connector is a 3.5mm socket |
| External I/O Interface | |
| DC Block | 1 x DC socket, supports 5.5mm x 2.1mm plug |
| USB 3.0 | 4 x USB 3.0 Host, the connector is double layer Type-A interface |
| USB 2.0 | 3 x USB 2.0 Host, the connector is Type-A interface |
| Serial Ports | 1) 4 x physically isolated RS232, compatible with UART TTL 3.3V without physical isolation
2) 2 x physically isolated RS485/RS232/CAN (RS485 by default), |
| compatible with UART TTL 3.3V without physical isolation | |
|
GPIO |
1) 4 x physically isolated DIs, supporting wet and dry nodes
2) 4 x physically isolated DOs, support wet nodes, compatible with external relay dry nodes |
| LED & Key | 1) 1 x System status indicator
2) 1 x Power status indicator 3) 1 x ON/OFF key |
| Internal I/O Interface | |
| Slot | 1) 1 x Micro SIM pop-up card slot
2) 1 x Micro SD pop-up card slot |
| Mini PCIe | 1) Support Mini PCIe 4G module, such as Quectel 4G module, built-in SIM card
2) Support Mini PCIe LoRa module 3) Support Mini PCIe expansion modules, such as network card, SATA card, serial port card |
| Power Supply | |
| Power Input | Default DC 12V/2A power input, support DC 12V~36V wide voltage input |
| Mechanical & Environmental | |
| Enclosure Material | Steel and aluminum alloy |
| Dimension (W x D x H) | 124mm x 169.42mm x 38.9mm |
| Gross Weight | 812g |
| Heat Dissipation | No fan, heat dissipation through the enclosure |
| Operating Temp. | -20 °C to 70 °C |
| Relative Humidity | 10%~90% |
Composition
BPC-iMX8MP-03 Industrial Computer assembly consists of these main components: DEBIX SOM A + I/O Board, enclosure and antenna.
External Interface Power Interface
BPC-iMX8MP-03 Industrial Computer provides one power connector (DC socket), with default DC 12V/2A power input. As shown in the figure below.
HDMI Interface
- BPC-iMX8MP-03 Industrial Computer provides an HDMI interface, and the connector is an
- A-type HDMI female socket, which is used to connect a monitor, TV, or projector. As shown in Figure 8.
- HDMI resolution up to 3840x2160p30. Audio supports 32-channel audio output and supports 1 S/PDIF audio eARC input.
Audio Interface
- BPC-iMX8MP-03 Industrial Computer provides a combined headphone and microphone input interface. The connector is a 3.5mm socket, compatible with the built-in needle socket design, has audio input/output functions, and supports a rated voltage of 1.5V MIC audio input. As shown in Figure 9.
Ethernet Interface
- BPC-iMX8MP-03 Industrial Computer supports two independent MAC RJ45 Gigabit Ethernet ports (Network port 1: LAN1, Network port 2: LAN2), both support POE power supply (Additional POE module is required), connect device to the network through the network cable of RJ45 connector, and a set of status indicators below the interface to display the status signal, the green is Link and the yellow is Active.
Table 3 Description of RJ45 Port Status Indicator
| LED | Color | Description |
| Link | Green | Light, the network cable is plugged in, network connection status is good |
| Active | Yellow | Blinking, network data is being transmitted |
USB Interface
BPC-iMX8MP-03 Industrial Computer has two USB controllers and PHY, supports USB 3.0 and 2.0. There are four USB 3.0 interfaces with dual-layer Type-A connectors and another two USB 2.0 interfaces with Type-A connectors. As shown in the figure below.
RS485/RS232/CAN Interface
IMPORTANT The default configuration is an RS485 interface. RS485, RS232, and CAN are on the same connector, only one can be used at the same time. If RS232 or CAN function is required, internal hardware wiring needs to be adjusted before leaving the factory. BPC-iMX8MP-03 Industrial Computer provides two types of serial connectors:
- Supports 2 x RS485/RS232/CAN interface, compatible with the UART TTL 3.3V serial port without physical isolation.
- Supports 4 x RS232 interfaces, compatible with UART TTL 3.3V serial ports without physical isolation.
- The 2 x RS485/RS232/CAN pin sequence is as shown in the figure:
- The 2 x RS485/RS232/CAN interface is defined as follows:
Table 4 Pin definition of RS485/RS232/CAN
| Pins | Definition | Description | Device node |
| 1 | GND | RS485 differential signal line A/ RS232 sender/ CAN1 differential signal line H | /dev/ttyWCH0 |
| 2 | RS485_B1/RS232_RXD1 /CAN1_L | RS485 differential signal line B/ RS232 receiver/ CAN1 differential signal line L | |
| 3 | RS485_A1/RS232_TXD1 /CAN1_H | To ground | |
| 4 | GND | To ground | /dev/ttyWCH1 |
| 5 | RS485_B2/RS232_RXD2 /CAN2_L | RS485 differential signal line B/ RS232 receiver/ CAN2 differential signal line L | |
| 6 | RS485_A2/RS232_TXD2 /CAN2_H | RS485 differential signal line A/ RS232 sender/ CAN2 differential signal line H |
The 4 x RS232 pin sequence is as shown in the figure:
Table 5 Device node of COM
| Function Name | IO Name | Description | Device node |
| COM1 | RS232_RXD1 | RS232 receiver | /dev/ttymxc3 |
| RS232_TXD1 | RS232 sender | ||
| COM2 | RS232_RXD2 | RS232 receiver | /dev/ttymxc2 |
| RS232_TXD2 | RS232 sender | ||
| COM3 | RS232_RXD3 | RS232 receiver | /dev/ttyWCH3 |
| RS232_TXD3 | RS232 sender | ||
| COM4 | RS232_RXD4 | RS232 receiver | /dev/ttyWCH2 |
| RS232_TXD4 | RS232 sender |
GPIO Interface
BPC-iMX8MP-03 Industrial Computer provides a GPIO interface with isolated type (from left to right, DI interface, DO interface), physically isolated DI, supports dry node input and wet node input; physically isolated DO, supports wet node, and is compatible with external relay dry nodes.
The GPIO interface is defined as follows:
Table 7 Pin definition of GPIO
| Pins | Definition | Pins | Definition |
| 1 | NC | 2 | RS232_RXD |
| 3 | RS232_TXD | 4 | NC |
| 5 | GND | 6 | NC |
| 7 | NC | 8 | NC |
| 9 | NC |
DI electrical parameters:
- Wet contact:
- When the signal input voltage is 0~3V DC, the corresponding SOM A signal is low level;
- When the signal input voltage is 5~30V DC, the corresponding SOM A signal is high level.
- Dry contact:
- Open state: high level
- Short state with GND: low level
DO electrical parameters:
- Node DO-PCOM supports a voltage range of 5~30V DC;
- When the SOM A signal is low, the corresponding DO signal output voltage follows the node DO-PCOM, the higher the node DO-PCOM voltage, the higher the DO signal output voltage (compared with the node DO-PCOM, there is a 1~3V voltage drop);
- When the SOM A signal is high level, the corresponding DO signal output voltage is 0.
LED & Key
- There are two LED indicators and a power ON/OFF key, as shown in the figure below.
Table 8 Description of LED & Key
| LED & Key | Status | Description |
| SYS | Lighting | Device works normally |
| off | Device works abnormally | |
| PWR | Lighting | Power is on |
| off | Power is off | |
| ON/OFF key | Short press | Hibernation/wake-up |
| Long press | Power off/on |
Package List
BPC-iMX8MP-03 Industrial Computer product list:
- 1 x WiFi antenna
- 4 x M3-5 Black screw
- 2 x Wall bracket
- 1 x BPC-iMX8MP-03 box
Installation Guide
Installation
After receiving the product, install the accessories as follows.
- Install the WiFi antenna to the WiFi antenna connection port as shown in the following figure.
- Connect the power adapter to the DC connector of the enclosure (DC-IN connector as shown above). When the SYS and PWR LED are on, it proves that the Industrial Computer is powered on.
Power on
- NOTE
- The factory default boot mode of the BPC-iMX8MP-03 Industrial Computer is eMCC boot, and the RS232/RS485/CAN interface is configured as RS485 by default.
- If you need to change to another boot mode and the interface communication mode, please contact our engineer for modification before leaving the factory, and do not disassemble the machine by yourself.
Software Application Examples
Use of Ethernet
- Query ip command.
- As shown above: the eth33 network card corresponds to the network port of the device silkscreen “LAN1” (Figure 10, right side);
- eth34 network card corresponds to the network port of the device silkscreen “LAN2” (Figure 10, left side).
- Apply the ping command.
- Query the speed of the network port.
- The desktop settings of the BPC-iMX8MP-03 Industrial Computer Ethernet (Settings >> Network) are as follows.
- The desktop settings of the BPC-iMX8MP-03 Industrial Computer Ethernet (Settings >> Network) are as follows.
Use of WiFi
- Unplug the network cable, device connect WiFi (polyhex_mi), and query the WiFi network port via ifconfig wlan0.
- Apply the ping command to check the network connection status.
- Reconnect to the new WiFi network (ChinaNet-polyhex), use the ping command, and the same screen appears as above.
The desktop settings of the BPC-iMX8MP-03 Industrial Computer WIFI (Settings >> Wi-Fi) are as follows. - Turn on the Wi-Fi function, as shown in Figure 22.
- Click on the wifi network name, and the “Authentication required” dialog box will pop up, enter the wifi network password, as shown in the figure below:
- Wait for a while, when you see the right side of the connected wifi name √, that is, the wifi connection is successful, as shown in the following figure.
Use of Bluetooth
- Query Bluetooth devices via the hciconfig command.
- Switch to the root user.
- Start bluetooth and match bluetooth.
- The desktop settings of the BPC-iMX8MP-03 Industrial Computer Bluetooth (Settings >> Bluetooth) are as follows.
- Example: Turn on Bluetooth on both the phone and Industrial Computer, the phone Bluetooth can detect the Bluetooth device of Industrial Computer, the Industrial Computer can detect the phone Bluetooth device, click on the Bluetooth device, connect, enter the key for pairing, as shown in the following figure.
Use of USB
- Switch to the root user.
- Access the U disk in FAT32 format, the system will automatically mount it to the /mnt path.
- If the U disk is not mounted, you can mount the U disk with the following command:
- Query the U disk letter:
- Mounting the U disk:
- Enter the U disk directory:
- Clear the cache, run before each read and write test command.
- Write speed test.
- Reading speed test.
Verification of RS485/RS232/CAN
IMPORTANT The default configuration is an RS485 interface. RS485, RS232, and CAN are on the same connector, only one can be used at the same time. If RS232 or CAN function is required, internal hardware wiring needs to be adjusted before leaving the factory.
- Install the custom serial port tool on BPC-iMX8MP-03 Industrial Computer.
- The serial port parameters are set as follows.
Table 9 Cutecom parameter settings
| Parameter | Value |
| Baudrate | 115200 |
| Data Bits | 8 |
| Stop Bits | 1 |
| Parity | None |
| Flow Control | None |
RS485 (Default)
Connect Pin2 to Pin5, and connect Pin3 to Pin6 (that is, A to A, and B to B). The wiring is shown in the following figure.
- Run the cutecom tool, set the Device to /dev/ttyWCH0, set other parameters as shown in the table, click Open.
- Open another window of the custom tool, set the Device to /dev/ttyWCH1, and click Open.
- Send and receive data via cutecom. Enter the test string in the custom input box, press Enter to send, you can see that another cutecom receiving box receives the same message, indicating that the communication is successful, and the result is as follows:
RS232
- Connect Pin2 of RS232 to the sending end of USB-RS232, Pin3 to the receiving end of USB-RS232, and Pin1 to the ground terminal of USB-RS232, USB-RS232 is connected to the onboard USB 3.0 interface. The wiring is shown in the following figure.
- Set the Device of the cutecom tool to /dev/ttyWCH0, click Open.
- Set the Device of another cutecom tool to /dev/ttyUSB0, set other parameters as below, click Open.
- Send and receive data via cutecom. Enter the test string in the cutecom input box, press Enter to send, you can see that another cutecom receiving box receives the same message, indicating that the communication is successful, and the result is as follows:
CAN
- Connect Pin2 to Pin5, and connect Pin3 to Pin6 (that is, H to H, and L to L). The wiring is shown in the following figure.
- Switch to the root user first.
CAN1 sends data, CAN0 receives data
- Open a Terminal and configure CAN0 to receive.
- Open another Terminal and configure CAN1 to send.
CAN1 receives data, CAN0 sends data
- In the Terminal sent by CAN1, switch can1 to receiving state.
- In the Terminal receiving CAN0, press Ctrl+Z to end receiving. And switch can0 to send state.
As shown in the figure below:
Verification of DI/DO
Switch to the root user first.
DI
Take the dry node connection as an example, all ports of DI operate in the same way, here take DI_1 as an example, and connect the DI_1 to ground in series.
- Enter the GPIO directory.
- Export GPIO. After the export is successful, the gpio5 directory will be automatically generated, as shown below:
- Configure GPIO pins.
DO
The current supported by DO port is 500mA, take DO_1 as an example.
- Enter the DOUT_1 control directory
- GPIO output is low, DO_1 open-drain output is high configuration, and the relay is turned off.
- GPIO output is high, DO_1 output is low, and the relay is on.
- The other DO verification methods are the same, the DOUT_1, DOUT_2, DOUT_3, and
- DOUT_4 files under /sys/devices/platform/gpio-leds/leds/ correspond to DO_1, DO_2, DO_3, and DO_4 ports respectively.
Verification of LED & Key
- LED
- SYS is the system status indicator, the indicator is on when the Industrial Computer is running normally; otherwise, the indicator is off.
- PWR is the power status indicator, the indicator is on when power is applied; otherwise, the indicator is off when power is off.
- Key
- BPC-iMX8MP-03 Industrial Computer is automatically turned on when power is applied.
- Short press
- SYS green light is off, the system enters into sleep.
- Short press again, SYS green light is on to wake up the system.
- Long press
- Press and hold until the green light turns off to shut down.
- Press and hold again until the green light turns on to boot the system.
Verification of RTC
Confirm that the HYM8653S driver module is loaded successfully.
The desktop settings of the BPC-iMX8MP-03 Industrial Computer RTC (Settings >> Date&Time) are as follows.
- Unlock “Date & Time” to turn on or off automatic time.
- Set “Time Zone” as a local zone.
- Set “Time Format” to 24-hour.
- Read the RTC time of the Industrial Computer via hwclock-r command, as shown in the following figure.
Documents / Resources
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DEBIX BPC-iMX8MP-03 Industrial Computer [pdf] User Guide BPC-iMX8MP-03 Industrial Computer, BPC-iMX8MP-03, Industrial Computer, Computer |