Description
ABB UAC389AE02 HIEE300888R0002 PC board
UAC389AE02 HIEE30088R0002 is a universal control unit (GCU)/processor unit produced by ABB, which is a core component of ABB 800xA distributed control system (DCS) and AC 800M control platform. This module is also widely known as the excitation control module or thyristor module, which plays a dual role of control and excitation regulation in different application scenarios.
ABB UAC389AE02 HIEE300888R0002 PC board
[Product Positioning]
This module is a high-performance processor unit in the ABB 800xA DCS system, serving as the “brain” of the system responsible for executing control logic, data processing, event management, and system communication. At the same time, it can also be used as an excitation controller for generator excitation regulation, supporting multiple excitation control modes such as constant current control and constant voltage control. Compatible with AC 800M controller series (PM861/PM864/PM865/PM866/PM891).
[Core Function]
Control logic execution: supports complex industrial control tasks such as PID regulation, sequential control, timing control, logical operations, mathematical operations, etc.
Excitation control: Adopting advanced excitation control algorithms to achieve high-precision voltage regulation and power factor control, supporting multiple control modes such as constant current/constant voltage.
Communication processing: Independently processes industrial Ethernet transmission data and supports data interaction with other control systems or PCs as a communication client or server.
Safety function: Supports SIL2/SIL3 safety integrity level under AC 800M HI architecture, and can perform safety related control functions.
Protection function: It has protection against overvoltage, overcurrent, undervoltage, overheating, etc., and can quickly trigger protection actions in case of abnormalities.
[Technical Specifications]
Processor: Dual core 32-bit RISC processor
Memory: 1 GB DDR3 RAM
Storage: 8 GB Flash
Supply voltage: 24V DC (industry standard)
Working temperature: -20 ° C to+60 ° C
Storage temperature: -40 ° C to+85 ° C
Humidity: 5% to 95% RH (non condensing)
Protection level: IP20 (no additional casing required)
Power consumption: approximately 14W
Weight: Approximately 0.261 kg (including packaging)
Dimensions: Compact design, compatible with standard DIN rail installation (35mm), using a sliding lock mechanism for easy installation/removal
[Communication Interface]
Built in redundant Ethernet channels (dual Ethernet ports)
Built in RS-232C channel
Supports protocols such as Profibus DP/PA, DeviceNet, Modbus TCP/IP, Foundation Fieldbus, etc. (extended through the CEX Bus interface)
Supports Ethernet/IP, Modbus TCP/IP, seamlessly integrates with other ABB devices and third-party systems
The maximum communication speed of Ethernet interface can reach 12Mbps
Redundancy and Security
CPU redundancy: Controller redundancy is achieved through PM861/PM864/PM865/PM866/PM891
Built in redundant Ethernet channels
AC 800M HI SIL2 certification (paired with PM865/SM810/SM811)
AC 800M HI SIL3 certification (paired with PM865/SM811)
Built in battery backup memory (excluding PM891), supports external battery backup
Diagnostic function
Each unit/channel is equipped with LED indicator lights for quick troubleshooting
Module level normal operation LED indicator light
Support online debugging and monitoring
Typical application scenarios
Process control in DCS distributed control system (refining, chemical, pharmaceutical, food and beverage, power, water treatment, pulp and paper, mining and metallurgy, etc.)
Excitation system control of power plant generator (AVR regulation)
Distance protection and communication assistance in power system
Safety related controls in Safety Instrumented Systems (SIS)
Infrastructure automation (water, transportation, building automation)
Industrial automation production line (robots, assembly lines, CNC machine tools)
Energy Management and Optimization
[Associated Model]
Same series: UAC389AE01, UAC389AE03 (different variants)
Similar functions: UFC721BE101 (safety controller CPU), UFC765AE101/102 (rectifier bridge protection board), UFC911B101/104 (detection/communication board), UBC717BE101 (standard process controller CPU)
Supporting use: CI801, CI840/CI840A (communication module), PM865, SM810/SM811 (power/diagnostic module), TB820/TB840 (terminal board)
Engineering tool: ABB Automation Builder (800xA system programming and configuration)
[Precautions for use]
This module is a core component of the 800xA/AC 800M platform. When replacing it, it must be confirmed that the model is completely consistent (HIEE30088R0002) and cannot be mixed with ordinary I/O modules or other platform controllers. When it comes to SIL safety level applications, debugging must be carried out by engineers with functional safety qualifications, and safety logic interlock verification must be completed. Pay attention to the direction of the DIN rail slide lock during installation to ensure a secure lock. It is recommended to upgrade the firmware using ABB’s official tools to optimize control algorithms and signal processing efficiency.
