Description
Overview
The PU519 (3BSE018681R1) Real‑Time Accelerator (RTA) Board is a high‑performance processing module designed for ABB’s System 800xA architecture. It enhances controller responsiveness by offloading time‑critical tasks, ensuring deterministic execution in demanding process automation environments. Its hardware design supports stable operation under continuous load and integrates seamlessly into existing 800xA controller configurations.
Technical Specifications
| Parameter |
Specification |
| Model |
PU519 (3BSE018681R1) |
| Product Type |
Real‑Time Accelerator (RTA) Board |
| Brand |
ABB |
| Product Series |
System 800xA |
| Function |
High‑speed task acceleration and real‑time processing |
| Processing Speed |
Up to 1 MHz (as referenced; verify per system documentation) |
| Memory |
2 MB Flash, 256 KB RAM |
| Dimensions |
32.5 × 12.6 × 1.7 cm |
| Weight |
0.34 kg |
| Operating Voltage |
24 V DC |
| Operating Temperature |
–20°C to +55°C (typical for 800xA modules) |
| Communication Interfaces |
RS‑232, internal system bus (Ethernet router reference removed; not applicable) |
| Installation |
Cabinet‑mounted module |
| Protection |
Industrial‑grade PCB with protective coating |
| Country of Origin |
Sweden |
| HS Code |
8537101190 |
| Availability |
In stock |
| Condition |
New |
Functional Description
The PU519 RTA board provides dedicated real‑time processing capabilities for System 800xA controllers. By executing high‑frequency tasks independently from the main CPU, it improves system determinism and reduces latency in control loops. This makes it suitable for applications requiring precise timing, rapid signal handling, and high‑speed data processing.
Its memory architecture supports efficient program execution and secure storage of real‑time routines. The module’s communication interfaces allow integration with diagnostic tools and engineering workstations, enabling streamlined configuration and monitoring.
The board’s mechanical design ensures easy installation in compact control cabinets. Reinforced components and thermal‑resistant materials support long‑term reliability in harsh industrial environments.
Application Scenarios
-
High‑speed control loops in System 800xA
-
Real‑time signal processing for motion, turbine, or drive control
-
Expansion of controller performance in existing 800xA systems
-
Replacement module for maintenance and system upgrades
-
Environments requiring deterministic timing and low‑latency execution
Similar Model Comparison
| Model |
Function |
Typical Use |
| PU519 |
Real‑time accelerator |
High‑speed processing tasks |
| PU516 |
Engineering board |
Configuration and engineering access |
| PM864 |
Controller CPU |
Main process control execution |
FAQ
Q: Does the PU519 support Ethernet communication? A: No. It uses RS‑232 and internal system bus communication; it is not an Ethernet router.
Q: Can the PU519 be used with older ABB control systems? A: It is designed specifically for System 800xA and should be used within that architecture.
Q: Is the module hot‑swappable? A: No. System shutdown is required before installation or removal.
