Low Power Consumption
ARM architecture Cortex-A7 processors, consume significantly less power than x86 CPUs, ideal for 24/7 industrial operations.
Real-Time Performance
Supports real-time operating systems (RTOS) or Linux with real-time kernels, meeting time-sensitive data acquisition and control requirements.
Compact and Rugged Design
Compact size for space-constrained installations; operates in harsh environments (-40°C to 85°C) with resistance to dust, vibration, and humidity.
Rich Interfaces and Expandability
Equipped with industrial interfaces (RS-485, CAN, Ethernet, GPIO) to connect sensors (pH, turbidity, conductivity), PLCs, and actuators.
Cost-Effective
Lower hardware and maintenance costs compared to traditional industrial PCs, suitable for large-scale deployments.
Data Acquisition and Processing
Real-time collection of water quality parameters (COD, BOD, residual chlorine, dissolved oxygen) and equipment status (pump pressure, flow rate, valve position).
Communication via Modbus RTU/TCP, OPC UA protocols.
Edge Computing
Local data preprocessing (filtering, anomaly detection) to reduce cloud bandwidth usage.
Basic logic control (e.g., automatic chemical dosing based on pH levels).
Remote Monitoring and Visualization
Built-in web server or HMI for real-time data display and alarm management.
Data transmission to cloud platforms (SCADA, IoT Hub) via 4G/5G, Ethernet, WiFi.
Fault Diagnosis and Alerts
Predictive maintenance using historical data (e.g., membrane fouling, pump failure).
Trigger alarms or send notifications to operators via SMS/email.
Function:
Deploy at water sources or treatment outlets to monitor turbidity, pH, heavy metals (e.g., arsenic, lead).
Hardware:
ARM computer + multi-parameter sensors + solar power (for remote areas).
Function:
Replace traditional PLCs to control dissolved oxygen in aeration tanks, optimize sludge recycling, and adjust chemical dosing.
Solution:
ARM computer running Codesys soft PLC with PID algorithms, controlling devices via EtherCAT.
Function:
Monitor decentralized water purification systems (filter lifespan, flow anomalies) to ensure safe drinking water.
Architecture:
ARM edge gateway + sensor+ low-power design for unstable power supply scenarios.
Environmental Adaptability
Use Industrial enclosures to protect against moisture and corrosive gases.
Communication Redundancy
Dual-network interfaces (wired + wireless) for reliable data transmission.
Software Architecture
Lightweight OS (Ubuntu, Linux) or RTOS (FreeRTOS) with MQTT/HTTP protocols.
Local storage (SQLite) or time-series databases (InfluxDB).
Cybersecurity
Enable firewalls, TLS/SSL encryption, and regular firmware updates.
Hardware: ARM Cortex-A7 computer + pressure sensors + RO membrane modules.
Functions:
Monitor pressure differentials across RO membranes to predict fouling.
Automatically shut down high-pressure pumps during overloads.
OPC UA integration with central control systems.
Hardware: ARM edge gateway + AI cameras.
Functions:
AI-based foam thickness detection in aeration tanks to adjust blower speed.
Local TensorFlow Lite models for sludge settling ratio analysis.
Sensor Data Drift
Regular calibration or machine learning-based compensation algorithms.
Long-Term Stability
Watchdog timers and industrial-grade eMMC storage.
Edge Deployment
Integrate lightweight frameworks (ONNX Runtime) for local water quality prediction.
Communication Failure: Check SIM signal strength or Ethernet connections.
Data Anomalies: Verify sensor power supply or grounding issues.
System Lag: Optimize software thread priorities.
ARM industrial computers enable cost-effective, intelligent monitoring for water treatment systems. For specific projects, consider
More low-cost industrial solutions:ARMxy SBC BL335