Industrial IoT (IIoT) refers to the application of IoT technologies — connected sensors, edge computing, cloud analytics, and remote monitoring — to industrial environments including factories, process plants, utilities, and logistics operations. At FSS Technology, industrial IoT is our most technically demanding service area: industrial environments impose harsh physical conditions (temperature extremes, vibration, electrical noise, corrosive atmospheres), strict communication protocol requirements (Modbus, OPC-UA, PROFIBUS, CAN bus), and operational reliability standards that consumer IoT devices and cloud platforms cannot meet without industrial-grade engineering. Our IIoT practice delivers custom IoT hardware designed to industrial specifications, firmware with deterministic real-time performance, protocol integration with existing industrial automation infrastructure, and cloud platforms that provide actionable operational intelligence from factory floor sensor data.
Industrial IoT Architecture
Industrial-Grade Edge Hardware
Industrial IoT edge devices must operate reliably in environments that consumer electronics were not designed for: ambient temperatures from -40°C to +85°C, humidity up to 100%, mechanical vibration from machinery, electrical interference from motor drives and welding equipment, and exposure to dust, oils, and cleaning chemicals. FSS designs industrial IoT hardware using STM32 industrial-grade microcontrollers rated for extended temperature ranges, isolated power supplies that reject electrical noise, sealed enclosures rated to IP65 or IP67, conformal-coated PCBs for humidity and chemical resistance, and DIN rail mounting for electrical cabinet installation. This engineering investment is the difference between IoT devices that survive years in an industrial environment and consumer-grade devices that fail within months.
Industrial Protocol Integration
Factory floors are populated with decades of industrial equipment communicating via Modbus RTU, Modbus TCP, OPC-UA, PROFIBUS, PROFINET, CAN bus, and proprietary protocols. FSS IoT gateways implement these protocols as clients, reading process data from PLCs, variable frequency drives, power analysers, and instruments without requiring modifications to the existing control infrastructure. Data collected from legacy industrial equipment is normalised, enriched with metadata, and forwarded to cloud backends via MQTT over cellular or Ethernet, bringing cloud analytics and remote visibility to equipment that predates the IoT era by decades.
Functional Safety Considerations
Industrial IoT monitoring systems that influence safety-critical processes require engineering approaches aligned with IEC 61508 functional safety standards. FSS can provide firmware developed to IEC 61508 SIL 1/2 requirements for monitoring applications, including requirements traceability, hardware failure mode analysis, diagnostic coverage calculation, and systematic capability documentation. Safety-related IoT deployments require early engagement with FSS hardware and firmware engineers to ensure that system architecture, component selection, and development process meet the applicable safety integrity level.
Furnace Monitoring
Multi-zone heat treatment furnace monitoring with real-time compliance logging for aerospace and automotive clients. STM32-based 16-channel thermocouple acquisition, Azure cloud backend, operator dashboard.
Factory Energy Monitoring
3-phase energy metering across 45 production machines in a manufacturing plant. Modbus RTU integration with energy meters, Azure IoT Hub telemetry, power consumption dashboard with OEE correlation.
Predictive Maintenance
Vibration-based bearing health monitoring on 80 CNC machines. FFT analysis detecting fault frequencies 3-4 weeks before failure. Maintenance scheduling integrated with ERP system via REST API.
Cold Storage Compliance
Temperature and humidity monitoring across 12 cold storage chambers. 21 CFR Part 11-compliant data logging, automatic deviation reports, and audit trail for food safety compliance.
FSS Industrial IoT Expertise
FSS Technology has delivered industrial IoT solutions since 2015 for clients in manufacturing, food processing, energy, utilities, and logistics. Contact FSS to discuss your industrial IoT requirements.