Description
The ABB UNS0867 HIEE405246R0002 is a high-performance central processing unit (CPU) module from ABB’s AC 800M programmable automation controller (PAC) family, designed for demanding industrial control and process automation applications. As a core component of the AC 800M series—integrated within the broader System 800xA architecture—the ABB UNS0867 HIEE405246R0002 delivers deterministic real-time control, robust communication capabilities, and scalable memory resources for complex logic, motion, and regulatory control tasks. This module features 8 MB of application memory and supports redundant configurations for critical processes requiring maximum availability.
Engineered for use in power generation, water treatment, oil & gas, and heavy industry, the ABB UNS0867 HIEE405246R0002 complies with IEC 61131-3 programming standards and supports all five PLC languages (including Structured Text and Function Block Diagram). It communicates via dual Ethernet ports (for Control Network and station traffic) and includes native support for PROFIBUS DP, Modbus TCP, and other industrial protocols through optional communication modules. The ABB UNS0867 HIEE405246R0002 is not merely a logic solver—it is the intelligent backbone of modern, integrated automation systems where reliability, speed, and cybersecurity are paramount.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | UNS0867 HIEE405246R0002 |
| Manufacturer | ABB |
| Product Type | AC 800M CPU Module (Programmable Automation Controller) |
| Processor | 32-bit RISC, optimized for real-time control |
| Application Memory | 8 MB |
| Execution Cycle Time | As low as 1 ms (depending on program size) |
| Communication Interfaces | Dual 10/100 Mbps Ethernet (ControlNet + Station Network) |
| Supported Protocols | PROFIBUS DP (via COM module), Modbus TCP, OPC, IEC 60870-5-104 |
| Redundancy Support | Yes (Controller Redundancy with UNS0880A or compatible sync module) |
| Operating Temperature | 0°C to +60°C (extended range options available) |
| Power Consumption | Approx. 6 W |
| Mounting | DIN rail in AC 800M I/O chassis (e.g., TK801V015) |
| Certifications | CE, UL, CSA, ATEX (for specific variants), RoHS compliant |
Main Features and Advantages
Real-time performance with deterministic execution: The ABB UNS0867 HIEE405246R0002 leverages a dedicated 32-bit RISC processor optimized for industrial control workloads, enabling cycle times as fast as 1 millisecond for time-critical sequences. This ensures precise coordination in applications such as boiler control, turbine sequencing, or batch processing—where timing deviations can impact safety or product quality.
Seamless integration with System 800xA: As an integral part of ABB’s unified automation platform, the ABB UNS0867 HIEE405246R0002 benefits from deep integration with System 800xA engineering tools, asset management, and operator interfaces. Engineers can perform online changes, diagnostics, and firmware updates without halting production, significantly reducing engineering effort and operational risk.
Robust redundancy for high availability: When paired with a synchronization module (e.g., UNS0880A) and a second ABB UNS0867 HIEE405246R0002, the system achieves hot-standby redundancy with automatic failover in under 100 ms. This capability is essential for continuous-process industries like refineries or power plants, where unplanned downtime carries severe financial and safety consequences.
Flexible communication and protocol support: While the ABB UNS0867 HIEE405246R0002 itself provides dual Ethernet ports for high-speed data exchange, it can be extended via communication modules (e.g., CI854 for PROFIBUS, CI864 for Modbus RTU) to interface with legacy devices, drives, and remote I/O. Native support for OPC UA and secure Ethernet protocols also enables IT/OT convergence and IIoT readiness.
Long-term lifecycle and backward compatibility: ABB maintains long-term supply commitments for AC 800M modules, and the ABB UNS0867 HIEE405246R0002 remains fully compatible with both legacy and current versions of Control Builder M engineering software. This protects customer investment in existing codebases while allowing gradual modernization.
Application Field
The ABB UNS0867 HIEE405246R0002 is extensively used in mission-critical infrastructure and process industries worldwide. In thermal and hydroelectric power plants, it executes turbine governor logic, boiler protection sequences, and grid synchronization algorithms—often in redundant configurations to meet NERC or IEEE reliability standards. Its deterministic performance ensures compliance with strict response-time requirements for emergency shutdown systems.
In municipal water and wastewater facilities, the ABB UNS0867 HIEE405246R0002 manages pump sequencing, chemical dosing, and SCADA data aggregation across distributed lift stations. Its ability to handle hundreds of I/O points via remote I/O modules (e.g., TU85x series) reduces cabling costs while maintaining centralized control.
Oil & gas terminals and midstream operations rely on the ABB UNS0867 HIEE405246R0002 for custody transfer metering, compressor control, and pipeline leak detection. Integrated cybersecurity features and protocol encryption support compliance with IEC 62443 standards. Similarly, in mining and metals processing, the module controls grinding circuits, conveyors, and furnace regulation—withstanding harsh electrical noise and temperature fluctuations.
Even in hybrid applications such as district heating or biofuel production, the ABB UNS0867 HIEE405246R0002 bridges discrete and process control domains, executing both sequential logic and PID loops within a single runtime environment. Whether deployed in a greenfield System 800xA project or as a replacement for aging Bailey INFI 90 controllers, the ABB UNS0867 HIEE405246R0002 delivers proven reliability and future-proof scalability.
Related Products
UNS0880A: Synchronization module—enables redundant pairing of two UNS0867 HIEE405246R0002 CPUs
TK801V015: AC 800M baseplate/backplane—required for mounting the UNS0867 HIEE405246R0002
CI854A: PROFIBUS DP/V1 communication module—extends fieldbus connectivity from the UNS0867 HIEE405246R0002
CI864: Serial communication module—supports Modbus RTU, DF1, and other ASCII-based protocols
UNS0850: Lower-memory CPU variant (2 MB)—suitable for smaller applications with reduced logic complexity
UNS0870: Higher-end CPU with 16 MB memory and faster processor—next-step upgrade path
System 800xA v6.1+: Engineering and HMI platform—fully supports configuration and diagnostics of UNS0867 HIEE405246R0002
TU851: Remote I/O adapter—connects distributed I/O to the UNS0867 HIEE405246R0002 via optical fiber
Installation and Maintenance
Pre-installation preparation: Before installing the ABB UNS0867 HIEE405246R0002, verify that the AC 800M backplane (e.g., TK801V015) is correctly powered and grounded according to ABB specifications. Ensure firmware compatibility between the CPU, communication modules, and System 800xA engineering station. Use shielded Ethernet cables for ControlNet connections, and avoid routing near high-voltage lines to prevent EMI. If configuring redundancy, install the UNS0880A sync module in the designated slot and validate link integrity before commissioning.
Maintenance recommendations: The ABB UNS0867 HIEE405246R0002 requires no routine maintenance due to its solid-state design, but periodic backup of application logic and firmware version documentation is strongly advised. Monitor diagnostic LEDs for status indications—green for normal operation, red for faults. In redundant systems, test failover annually using the built-in diagnostics in Control Builder M. If replacing a failed unit, ensure the new ABB UNS0867 HIEE405246R0002 matches the exact part number and firmware revision to avoid compatibility issues during online download.



Email: sales@slxytech.com
WhatsApp / Wechat:8617062388866
Phone:+86 17062388866