ABB PU519 3BSE018681R1 Real time Accelerator RTA Module
The ABB PU519 (3BSE018681R1) is a high‑performance dual‑channel Real‑Time Accelerator (RTA) board belonging to ABB’s Advant OCS/800xA system. It offloads time‑critical control tasks from the main CPU via dedicated hardware acceleration, delivering ultra‑fast signal processing and deterministic response. Designed as an ISA/PCI‑slot card for MB300 control networks, it boosts system throughput for complex automation loops.
Applications
- High‑Speed Process Control: Closed‑loop control for power, chemical, and pulp & paper plants.
- Fast Data Acquisition: High‑resolution sampling of analog/digital signals in real time.
- Complex Algorithm Execution: Accelerating PID, advanced process control (APC), and interlock logic.
- System Performance Boost: Reducing main CPU load in 800xA/Advant DCS for large‑scale installations.
- Redundant Control: Dual‑channel support for hot‑standby and fault‑tolerant architectures.
Operating Environment
| Parameter | Specification |
|---|---|
| Ambient Temperature | −10 °C to +60 °C (operation) |
| Relative Humidity | 5 % to 95 % (non‑condensing) |
| Altitude | ≤ 2000 m (no derating) |
| Protection Class | IP20 (board‑level, indoor cabinet use) |
| Vibration | 0.5 g (10–150 Hz) |
| Pollution Degree | 2 (industrial indoor) |
Technical Specifications
| Parameter | PU519 (3BSE018681R1) |
|---|---|
| Brand/Series | ABB, Advant OCS/800xA (RTA Series) |
| Part Number | 3BSE018681R1 |
| Function | Real‑Time Accelerator (RTA), dual‑channel |
| Bus Interface | MB300 (MasterBus 300), ISA/PCI slot |
| Processor | Dedicated high‑speed accelerator DSP/FPGA |
| Power Supply | 24 VDC ±10 % |
| Power Consumption | ~12 W |
| Channels | 2 independent real‑time channels |
| Dimensions (H×W×D) | 160 × 120 × 40 mm |
| Weight | 0.3–0.4 kg |
| Certifications | CE, UL, IEC 61131‑3 compliant |
| Status | Active (widely used in legacy & modern ABB DCS) |
Typical Industry Sectors
- Power Generation: Thermal, hydro, and nuclear plants (turbine control, load frequency control).
- Oil & Gas: Refineries, pipelines, and petrochemical facilities (fast safety interlocks).
- Pulp & Paper: High‑speed web handling, quality control, and machine synchronization.
- Water & Wastewater: High‑rate treatment processes and critical pump control.
- General Process Automation: Any plant requiring sub‑10 ms control response.
Related Series Products
- PU515A
- Single‑channel RTA board for basic real‑time tasks; MB300 interface; lower power consumption。
- C
- Entry‑level RTA for Advant Controller 400; supports 1 channel; for small to mid‑size DCS。
- PU516A
- Enhanced dual‑channel RTA with extended temperature range (−20 °C to +70 °C); for harsh industrial environments。
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