One of the biggest challenges system integrators face in real‑world projects is the mismatch between hardware configurations and on‑site needs – too many interfaces lead to wasted cost, while insufficient interfaces can block an entire solution. The ARMxy BL310 series resolves this through its three‑tier modular selection system.
The SOM (System‑on‑Module) layer offers three options: SOM311 (256 MB DDR3L + 1 GB eMMC, –40 °C to +85 °C), SOM312 (512 MB DDR3L + 8 GB eMMC, –25 °C to +85 °C), and SOM313 (512 MB DDR3L + 8 GB eMMC, –40 °C to +85 °C). Integrators can choose the appropriate combination of memory, storage, and temperature grade based on the project’s actual needs, avoiding unnecessary expenditure on unneeded hardware specifications.
The X‑Series I/O boards handle communication and control functions, providing various combinations of RS232, RS485, CAN, and GPIO. From the X0 with pure 8‑channel GPIO to the X4 offering 2×RS485 + 2×CAN, and up to the X8 that integrates RS485, RS232, CAN, and GPIO, there are nine X‑board models available. The X board occupies the device’s single X slot and determines the core communication capability of the unit.
The Y‑Series I/O boards are responsible for signal acquisition and analogue processing. They cover digital inputs/outputs (DI/DO – supporting NPN, PNP, and dry‑contact), relay outputs, analogue inputs/outputs (AI/AO – supporting 0‑20 mA, 4‑20 mA, 0‑5 V, 0‑10 V, ±5 V, ±10 V, etc.), RTD temperature measurement (PT100/PT1000, 3‑wire or 4‑wire), thermocouples (TC – types J, K, T, E, R, S, B, N), PWM outputs, pulse counting, and IEPE vibration sensing. The BL310 provides two Y slots (the BL310A has one), supporting dual Y‑board combinations. A critical note: if the Y63 (4‑channel RS485 or RS232) is selected, no second Y board can be fitted.
This four‑segment naming convention – “SOM + X + Y1 + Y2” (e.g., BL310‑SOM312‑X4‑Y01‑Y02) – ensures that each unit can be precisely matched to the field’s interface requirements, eliminating both over‑specification and the need for additional gateway devices due to missing ports.
For integrators with programming capabilities, the real value of hardware lies in what it can run. The BL310’s pre‑installed software stack covers the entire chain from data acquisition and protocol conversion to logic control and visual monitoring.
Operating System & Development Frameworks: The device runs Linux‑4.1.15 with Debian 10 and supports Qt 5.15.11 for GUI development. Integrators can develop applications in C/C++, Python, or Qt within a familiar Linux environment, and Docker containerisation is also supported for streamlined deployment and maintenance.
Protocol Conversion & Data Acquisition: The built‑in BLIoTLink industrial protocol conversion engine supports southbound protocols including Modbus RTU/TCP, DL/T645, Siemens S7, Mitsubishi PLC, Omron PLC, BACnet MS/TP and BACnet/IP, and IEC104; northbound it connects to MQTT, OPC UA, ThingsBoard, Alibaba Cloud, Huawei Cloud, AWS, and more. BLIoTLink provides an API for secondary development, allowing integrators to focus on business logic rather than low‑level protocol adaptation.
Low‑Code & Visual Programming: Node‑RED is pre‑installed, enabling drag‑and‑drop flow‑based programming for data processing, logic decisions, and device control orchestration. For rapid prototyping or non‑critical logic flows, Node‑RED significantly shortens development cycles.
Remote Operations & Maintenance: The built‑in BLRAT remote access tool supports cross‑region device debugging, firmware upgrades, and parameter adjustments, drastically reducing on‑site maintenance costs.
Industrial environments are harsh – temperature extremes, vibration, and electromagnetic interference are silent killers of equipment stability. The BL310 series has undergone systematic environmental and EMC testing to ensure consistent performance from lab validation to field deployment.
Wide Temperature Range: Operation from –40 °C to +85 °C covers most industrial scenarios, from frigid outdoor installations in northern winters to sweltering factory floors in southern summers.
Electromagnetic Compatibility: The device meets GB/T 9254 / CISPR 32 Class A for both conducted and radiated emissions. On the immunity side, it achieves Level III per IEC 61000‑4‑2 for ESD (contact ±4 kV, air ±8 kV), IEC 61000‑4‑3 for radiated RF immunity (10 V/m), IEC 61000‑4‑4 for EFT (power lines 2 kV, signal lines 1 kV), and IEC 61000‑4‑5 for surge (differential mode 2 kV, common mode 4 kV).
Environmental Suitability: The unit passes GB/T 2423 series tests for low‑/high‑temperature start‑up and operation, damp heat (40 °C / 85 % RH for 48 hours), sinusoidal vibration (5‑500 Hz / 2 g), and packaged free‑fall drop. With an IP30 protection rating, it guards against ingress of solid foreign objects ≥2.5 mm in diameter.
Hardware Monitoring: An onboard independent hardware watchdog (timeout 10 seconds) automatically resets the system in case of anomalies. The RJGT102 encryption chip (based on the SHA‑256 authentication algorithm) provides device identity authentication and tamper resistance.
Leveraging its hardware flexibility and software completeness, the BL310 has been deployed in multiple industrial domains:
Industrial IoT Gateways: Acting as a bridge between OT and IT layers, it collects data from PLCs, instruments, and other devices, then forwards it to cloud‑based SCADA or MES systems after protocol conversion.
Smart Mining Vehicle Dispatching: The BL310 uses a Y31 analogue board to acquire on‑board weighing sensor data (4‑20 mA), extends GPS/4G via the Mini PCIe interface for vehicle positioning and cloud communication, and runs Python/Node‑RED scheduling algorithms to optimise transport routes.
Boiler Combustion Optimisation in Thermal Power Plants: Via Y51 (PT100 RTD) and Y58 (thermocouple) boards, it captures furnace temperature and flue‑gas oxygen content. A combustion optimisation algorithm runs on the Linux system, and Modbus commands are sent over RS485 (X‑series board) to regulate coal feeders and induced‑draft fans, enabling closed‑loop control.
Online Water Quality Monitoring: Multi‑parameter water sensors (pH, dissolved oxygen, turbidity, etc.) connect to Y‑series AI boards. The BL310 performs edge‑side data fusion and anomaly detection, reducing alert response times by more than 50 %.
Smart Warehouse Sorting: Combining barcode scanning, AGV coordination, and conveyor‑belt PWM speed control (Y95/Y96 boards), it enables high‑speed automated sorting.
The BL310 is available in three host variants (BL310, BL310A, BL310B – differing in the number of Y slots). An official online selection tool allows real‑time generation of complete product model codes. The device supports DIN35 rail mounting as well as wall mounting, with compact dimensions of 110×83×46 mm, fitting standard industrial cabinets.
For system integrators, the true value of the BL310 lies not merely in its hardware specifications, but in the holistic industrial computing platform it offers – one that is hardware‑tailorable, software‑programmable, and protocol‑extensible. From device selection and field deployment to protocol adaptation and application development, everything can be accomplished within a single unified framework, eliminating the need for repeated switching and adaptation across multiple vendors and platforms.
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