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Description
Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | ABB PFUK105 YM110001-SF |
| Manufacturer | ABB (Sweden) |
| Product Type | Processor Board / Main Control Board / CPU Module |
| Series/Platform | Advant OCS / System 800xA / AC450 / MasterPiece |
| Processor Type | Motorola 68040 (industrial-grade) |
| Memory | 4 MB battery-backed RAM; onboard Flash/ROM (firmware dependent) |
| Power Supply | 24V DC (from system backplane) |
| Power Consumption | ≤ 12W to ≤ 15W (typical) |
| Communication Interfaces | 2 x RS-232/485 serial ports, Ethernet, backplane bus |
| Battery Backup | 3.6V Li-SOCl₂ lithium battery (CR17335 or equivalent, mounted on rack) |
| Operating Temperature | -20°C to +70°C (typical range) |
| Storage Temperature | -40°C to +85°C |
| Dimensions | Approx. 152mm × 52mm × 254mm |
| Weight | Approx. 0.52 kg |
| Mounting Method | Rack slot insertion (AC450/PM645 system rack) |
| Status Indication | Multi-color LED indicators (RUN/FAULT/STOP) |
| Certifications | CE, RoHS |
Main Features and Advantages
Proven Motorola 68040 Processing Architecture: The ABB PFUK105 YM110001-SF leverages the trusted Motorola 68040 processor platform, a workhorse of industrial computing known for its deterministic execution and long-term reliability . This architecture is specifically optimized for real-time control applications, ensuring that PID loops, sequential logic, and event logging execute within strict timing constraints. The ABB PFUK105 YM110001-SF delivers the computational power required for demanding process control tasks, from轧机 pressure control to power plant turbine management .
Robust Memory Protection with Battery Backup: The ABB PFUK105 YM110001-SF incorporates 4 MB of battery-backed RAM, safeguarding critical process configuration, calibration data, and historical event logs against power loss . The onboard lithium battery (typically CR17335) ensures data retention for extended periods, preventing the need for tedious system reconfiguration following power interruptions. This feature is particularly valuable for maintaining operational continuity in facilities with unstable grid power or during planned maintenance shutdowns.
Flexible Communication and System Integration: The ABB PFUK105 YM110001-SF offers multiple communication pathways, including dual RS-232/485 serial ports for connection to programming terminals or third-party devices, and an Ethernet interface for integration into plant-wide networks . Its backplane high-speed bus enables seamless data exchange with companion I/O modules, such as the PFSK107 acquisition board, PFSK109 terminal board, and PFSK111 display panel card . This comprehensive connectivity makes the ABB PFUK105 YM110001-SF a versatile solution for both standalone process stations and integrated DCS architectures.
Hardware Watchdog and Safety Mechanisms: The ABB PFUK105 YM110001-SF integrates a hardware watchdog timer that continuously monitors program execution . In the event of a software anomaly or program runaway, the watchdog automatically triggers a controlled reset of the ABB PFUK105 YM110001-SF, restoring normal operation without requiring manual intervention. This safety mechanism is critical for maintaining process integrity and preventing unsafe conditions in safety-related applications.
Redundant Station Support for High Availability: The ABB PFUK105 YM110001-SF supports dual-station redundancy configurations, enabling the deployment of primary and backup process stations for mission-critical applications . In a redundant setup, if the primary ABB PFUK105 YM110001-SF experiences a fault, the backup unit seamlessly assumes control with minimal disruption, ensuring maximum system availability for continuous production processes.
Application Fields
The ABB PFUK105 YM110001-SF is deployed in a wide range of heavy industrial applications where reliable, deterministic control is paramount. In the metals industry, the ABB PFUK105 YM110001-SF serves as the core CPU in ABB Stressometer轧机 pressure control systems, where it receives and processes signals from roll force sensors, computes closed-loop pressure control outputs, and manages critical rolling parameters such as roller gap and hydraulic oil pressure . Its ability to store and recall sensor calibration data and fault logs makes it indispensable for maintaining product quality and minimizing downtime in steel rolling operations.
In power generation and combined heat and power (CHP) plants, the ABB PFUK105 YM110001-SF is deployed in Advant AC450 process stations for controlling boiler combustion, turbine governor systems, and balance-of-plant auxiliaries. Its deterministic PID control and SOE recording capability support precise regulation of temperature, pressure, and flow, while its redundant station support ensures uninterrupted operation in critical generating units.
The pulp and paper industry also relies on the ABB PFUK105 YM110001-SF for controlling continuous digesters, recovery boilers, and paper machine drives . Its robust design and wide operating temperature range allow it to perform reliably in the high-heat, high-humidity environments typical of paper mills. For system integrators and maintenance professionals, the ABB PFUK105 YM110001-SF remains the recommended solution for sustaining legacy Advant MasterPiece and AC450 installations, enabling them to avoid costly full-system migrations while maintaining operational availability.
