Description
Product Description
Product Parameters
| Parameter Category | Specification |
|---|---|
| Core Function | MQTT-based IIoT data gateway, redundant network management, cloud connectivity, cybersecurity protection |
| Supported Protocols | MQTT, MQTT-SN, Modbus TCP, Ethernet/IP, TCP/IP |
| Communication Speed | Up to 1 Gbps (Gigabit Ethernet) |
| Network Ports | 2 × redundant Gigabit Ethernet ports (sub-5 ms switchover) |
| Maximum Connected Devices | 1,024 Modbus TCP slaves; unlimited MQTT clients (cloud) |
| Isolation Rating | 500 V AC (port-to-system, channel-to-channel) |
| Operating Temperature | -40°C to +70°C |
| Power Supply | 24 V DC (±10%), max power consumption 4.0 W |
| Physical Dimensions | 48.2 mm × 175 mm × 125 mm |
| Certifications | CE, UL, ATEX, IECEx, CSA, ISA/IEC 62443-4-2 |
Advantages and Features
- Native MQTT Support for IIoT Cloud Connectivity
The ABB CI871AK01 natively supports MQTT, the de facto standard for IIoT data transmission, enabling direct connectivity to cloud platforms (e.g., Azure IoT, AWS IoT Core) without additional gateway hardware—reducing system complexity and accelerating IIoT deployment.
- Ultra-Fast Redundant Switchover for Zero Downtime
Equipped with dual redundant Gigabit Ethernet ports and sub-5 ms switchover time, the ABB CI871AK01 ensures zero data loss during network outages, making it ideal for applications like offshore oil drilling, pharmaceutical batch manufacturing, and nuclear power auxiliary systems.
- ISA/IEC 62443-4-2 Certified Cybersecurity
The ABB CI871AK01 meets the rigorous ISA/IEC 62443-4-2 cybersecurity standard, with built-in TLS 1.3 encryption, role-based access control (RBAC), device authentication, and data integrity checks—protecting critical process data from advanced cyber threats and ensuring regulatory compliance.
- Industrial-Grade Durability for Harsh Environments
Rated for extreme temperatures, EMI resistance, and vibration tolerance, the ABB CI871AK01 performs reliably in harsh settings such as underground mining sites, desert solar farms, and marine vessel control systems, minimizing maintenance downtime by up to 60%.
- Simplified IIoT Configuration & Remote Diagnostics
Compatible with ABB Control Builder M software, the ABB CI871AK01 allows for one-click MQTT broker setup, real-time cloud data monitoring, and remote firmware updates—cutting IIoT project commissioning time by up to 45% and lowering operational overhead.
Application Cases in Application Fields
- Offshore Wind Farm IIoT Monitoring
In a utility-scale offshore wind farm, the ABB CI871AK01 acts as an MQTT gateway, connecting the AC 800M DCS to wind turbine controllers, weather sensors, and a cloud-based predictive maintenance platform. Its redundant ports ensure uninterrupted data transmission during storm-induced network disruptions, enabling real-time turbine performance monitoring and fault prediction.
- Pharmaceutical Smart Manufacturing
A GMP-compliant pharmaceutical plant deploys the ABB CI871AK01 to integrate batch reactor data (Modbus TCP) with a cloud-based electronic batch record (EBR) system (MQTT). Its cybersecurity features ensure data integrity for regulatory audits, while its fast switchover prevents costly batch failures during network outages.
- Mining Equipment Predictive Maintenance
In an underground coal mine, the ABB CI871AK01 collects data from conveyor belt motors, hydraulic systems, and ventilation units, transmitting it via MQTT to a cloud analytics platform. The module’s rugged design withstands dust, vibration, and extreme temperatures, enabling predictive maintenance that reduces equipment downtime by 55%.
- Smart City Water Supply Systems
A municipal water utility uses the ABB CI871AK01 to connect water treatment plant sensors, pump stations, and a cloud-based water management system. Its MQTT support enables real-time monitoring of water quality and pressure, optimizing supply efficiency and reducing water waste in urban areas.
Comparisons with Competing Products
| Feature | ABB CI871AK01 | Competitor A (Siemens CP 343-1 IoT) | Competitor B (Allen-Bradley 1756-EN4TR) |
|---|---|---|---|
| Native IIoT Protocol | MQTT (no license required) | MQTT (requires paid license) | MQTT (via third-party software) |
| Redundancy Switchover Time | <5 ms | 20 ms | 15 ms |
| Cybersecurity Certification | ISA/IEC 62443-4-2 | ISA/IEC 62443-3-3 | ISA/IEC 62443-3-3 |
| Operating Temperature | -40°C to +70°C | -25°C to +60°C | -20°C to +60°C |
| Cloud Connectivity Ease | Plug-and-play | Complex configuration | Requires gateway middleware |
Selection Suggestions and Precautions
Selection Suggestions
- Prioritize for IIoT & Cloud-Connected Projects
Choose the ABB CI871AK01 if your system requires direct MQTT-based cloud connectivity for predictive maintenance or data analytics; it eliminates the need for additional IIoT gateways and reduces project costs.
- Opt for Mission-Critical High-Availability Applications
Select the ABB CI871AK01 for applications where downtime leads to severe financial or safety risks (e.g., offshore energy, pharmaceuticals) due to its sub-5 ms redundant switchover and rugged industrial design.
- Match with ABB AC 800M DCS for Optimal Performance
Pair the ABB CI871AK01 with ABB’s AC 800M distributed control system to leverage full compatibility and advanced IIoT diagnostics; verify third-party PLC compatibility via ABB’s official compatibility matrix.
Precautions
- MQTT Broker Configuration Best Practices
When setting up the ABB CI871AK01 for cloud connectivity, ensure the MQTT broker uses TLS 1.3 encryption and strong authentication credentials to prevent unauthorized data access; avoid using public brokers for sensitive industrial data.
- Redundancy Network Setup Notes
Connect the ABB CI871AK01’s dual Ethernet ports to separate network switches to maximize redundancy; avoid connecting both ports to the same switch, as this defeats the purpose of redundant design.
- Wiring and Grounding Requirements
Use shielded Gigabit Ethernet cables for the ABB CI871AK01 to minimize EMI interference; ground cable shields at one end only to prevent ground loops that could degrade signal quality and data transmission stability.
- Storage Conditions
Store spare ABB CI871AK01 modules in a dry, temperature-controlled environment (0°C to +30°C) with relative humidity below 85% to prevent component corrosion and extend shelf life.


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