Executive Summary

The 4G IoT Multi-Protocol Sensor Hub Solution provides a comprehensive industrial-grade connectivity platform that integrates diverse sensor protocols into unified cloud-ready data streams. Centered around EBYTE's E870 series gateways, this solution supports 500+ Modbus data points, multiple communication protocols, and advanced edge computing capabilities for robust industrial IoT deployments.

Core Product Solution: E870-G1 Gateway

Key Specifications

  • Communication Interfaces: 4G LTE & Ethernet (10/100M adaptive)

  • Protocol Support: TCP/UDP/MQTT 3.1.1 with Ebite Cloud Device Protocol

  • Data Capacity: 500 Modbus RTU edge data points collection

  • Connection Channels: 4 independent Socket connections

  • Serial Interfaces: RS485/RS232 (1200-460800bps default 9600)

  • Industrial Design: -40°C to +85°C operating temperature

  • Power Supply: DC 8-28V wide voltage input

Advanced Features

  • Edge Computing: Support for upstream/downstream data edge calculations

  • Multiple Reporting Modes: Change-based reporting, periodic reporting

  • Cloud Platform Support: AliCloud IoT JSON protocol, Ebite Cloud remote management

  • Network Redundancy: 4G/Ethernet dual network with automatic switching

  • Serial Port Shunting: Data distribution across multiple channels

  • Time Synchronization: Self-calibrating RTC with NTP support

Multi-Protocol Support Architecture

1. Modbus Integration

  • Modbus RTU to TCP Conversion: Automatic protocol translation

  • 500 Data Points Capacity: Large-scale sensor network support

  • Bidirectional Communication: Both data collection and control commands

  • CRC Automatic Addition: Simplified Modbus implementation

2. Cloud Protocol Support

  • MQTT 3.1.1: Standard IoT protocol support

  • AliCloud IoT JSON: Native AliCloud compatibility

  • Custom JSON Formats: Flexible data formatting

  • Heartbeat & Registration Packets: Connection reliability assurance

3. Industrial Protocol Compatibility

  • TCP Client/Server: Four independent configurable channels

  • UDP Client: Real-time data transmission

  • HTTP/REST API: Web service integration

  • Custom Protocols: Proprietary protocol support

Sensor Integration Capabilities

Digital/Analog Inputs

  • 4x Digital Input (DI): Dry contact support

  • 2x Analog Input (AI): 4-20mA current loop compatible

  • High Accuracy: 0.2% measurement precision

  • Programmable Scaling: Custom engineering unit conversion

Control Outputs

  • 2x Digital Output (DO): Type A relay outputs

  • Multiple Operation Modes: Level mode, follow mode

  • Remote Control: Cloud-based actuation capabilities

  • Safety Interlocks: Programmable control logic

Edge Computing Features

Data Processing

  • Local Calculations: Edge-based data transformation

  • Change Detection: Intelligent data reporting triggers

  • Data Buffering: Offline operation capability

  • Custom Formulas: User-defined calculation algorithms

Data Management

  • Periodic Reporting: Configurable time-based reporting

  • Event-Based Reporting: Immediate data change notifications

  • Data Filtering: Noise reduction and outlier removal

  • Historical Storage: Local data caching capabilities

Deployment Options

1. Cloud Platform Integration

  • Ebyte Cloud Platform: Native support with remote management

  • Third-Party Clouds: AliCloud, AWS IoT, Azure IoT Hub

  • Private Cloud Deployment: On-premises server integration

  • Hybrid Solutions: Mixed cloud/edge deployments

2. Communication Modes

  • 4G LTE Primary: Cellular network connectivity

  • Ethernet Backup: Wired network redundancy

  • Automatic Failover: Seamless network switching

  • Multi-Operator Support: China Mobile/Telecom/Unicom

Configuration & Management

Web-Based Management

  • Intuitive Web Interface: Easy configuration and monitoring

  • Remote Access: Cloud-based device management

  • Real-Time Monitoring: Live data visualization

  • Firmware Updates: Over-the-air update capability

Multiple Configuration Methods

  • Upper Computer Software: Windows-based configuration tool

  • AT Commands: Serial configuration interface

  • Network Configuration: Remote parameter setting

  • SMS Configuration: GSM-based management option

Industrial Applications

Smart Manufacturing

  • Equipment monitoring and predictive maintenance

  • Production line data acquisition

  • Energy consumption monitoring

  • Quality control parameter tracking

Energy Management

  • Power distribution monitoring

  • Renewable energy systems

  • Building energy optimization

  • Utility sub-metering applications

Environmental Monitoring

  • Air quality sensing

  • Water quality monitoring

  • Weather station networks

  • Agricultural sensor systems

Infrastructure Monitoring

  • Structural health monitoring

  • Transportation infrastructure

  • Smart city applications

  • Public utility monitoring

Technical Advantages

Reliability Features

  • Hardware Watchdog: Automatic system recovery

  • Dual Network Backup: 4G and Ethernet redundancy

  • Parameter Backup: Power-off parameter preservation

  • Industrial Components: Extended service life

Security Features

  • Encrypted Communications: Secure data transmission

  • Access Control: Multi-level user authentication

  • Secure Boot: Firmware integrity verification

  • Audit Logging: Operation record keeping

Comparison with Alternative Solutions

E870-D1/D1G Series

  • 20 Data Points: Reduced capacity for smaller applications

  • 4G Only: Single communication interface

  • Basic I/O: 4DI/2AI/2DO configuration

  • Cost-Effective: Lower price point solution

E870-W1+ Series

  • WiFi Connectivity: Alternative to 4G connectivity

  • 20 Data Points: Moderate capacity

  • Local Network Focus: LAN-based applications

  • Relay Outputs: Physical control capabilities

Implementation Guide

Hardware Integration

  • Sensor Wiring: Standard 4-20mA or dry contact connections

  • Power Supply: 8-28V DC industrial power input

  • Network Configuration: SIM card installation and APN setup

  • Antenna Installation: 4G and GPS antenna connections

Software Configuration

  • Cloud Platform Registration: Device provisioning and authentication

  • Data Point Mapping: Sensor-to-cloud data structure definition

  • Reporting Policy: Data collection and transmission timing

  • Alert Configuration: Notification and alarm settings

Technical Support & Services

Documentation Resources

  • Complete SDK: Development toolkit and sample code

  • API Documentation: REST API and MQTT topic reference

  • Application Notes: Industry-specific implementation guides

  • Protocol Specifications: Detailed communication protocols

Professional Services

  • Custom Development: Protocol adaptation and customization

  • System Integration: Third-party platform connectivity

  • Training Programs: Technical team certification

  • Technical Support: 24/7 engineering support