The ABB PU515 (Part Number: 3BSE013063R1) is a high-performance Real-Time Accelerator (RTA) board designed for the Advant OCS (Open Control System) environment. It serves as the primary hardware interface for connecting Advant Stations and workstations—such as the Enterprise Historian or Engineering Stations—to the proprietary MasterBus 300 (MB300) control network.
The PU515 operates as a slave processor board, offloading the intensive communication tasks from the host workstation’s CPU to ensure deterministic, real-time data exchange. By utilizing its own onboard memory and processing power, the RTA board maintains a stable 10 Mbits/s connection, essential for synchronizing high-speed control data between controllers like the AC 450 and upper-level HMI systems.

Technical Specifications
| Parameter | Specification Details |
| 📦 Manufacturer | ABB (Advant OCS / Master Series) |
| 🏷️ Model Number | PU515 |
| 🆔 Product ID | 3BSE013063R1 |
| ⚡ Interface Type | 5V, 32-bit, 33 MHz PCI Bus |
| 💾 Onboard Memory | 16 Mbyte RAM |
| 🔌 Communication Ports | Dual Channel MB300 (via CS503V1 module) |
| 🚀 Data Rate | 10,000 kbit/s (10 Mbits/s) |
| 🌡️ Operating Temp | 5°C to +55°C |
| ⚖️ Net Weight | 0.4 kg |
Functional Features
The PU515 is built to bridge the gap between standard PC architectures and the rugged requirements of industrial automation:
- ⚙️ Dual Channel Redundancy: Equipped with two 15-pin D-sub connectors, the board supports redundant MasterBus 300 connections, ensuring system availability even if one cable path is compromised.
- 🛡️ Real-Time Determinism: The RTA architecture ensures that process alarms and control commands are delivered with consistent latency, which is critical for safety-critical operations in power and chemical plants.
- 🔧 Seamless Integration: Designed specifically for the Advant Station 500 series and 800xA for Advant Master systems, the board allows legacy controllers to communicate with modern OPC servers and HMI software.
- 📦 Compact PCI Design: The single-slot PCI board design simplifies the hardware footprint within industrial server racks or workstations.
Industrial Automation News: Legacy Connectivity in 2026
As of March 2026, the industrial sector is reaching a pivotal moment in “Brownfield Modernization.” While “Open Automation” (based on standards like IEC 61499) is the goal for new installations, thousands of global facilities still rely on the proven stability of the ABB Advant Master series.
A major trend this year is the use of Hybrid Communication Gateways. Manufacturers are increasingly using boards like the PU515 to link their reliable AC 450 controllers to modern “Physical AI” and Digital Twin platforms. By maintaining the original MasterBus 300 backbone, companies can avoid the multi-million dollar risk of a complete system “rip-and-replace” while still gaining the benefits of cloud-based analytics. Furthermore, the 2026 sustainability mandates in the EU and North America are driving a “Repair and Reuse” economy for industrial electronics, making high-quality, verified RTA boards essential for extending the lifecycle of existing carbon-heavy infrastructure.
Recommended Similar Products
| Brand | Model Number | Product Category |
| ABB | PU515A (3BSE032401R1) | Enhanced RTA Board (3.3V/5V) |
| ABB | PM511V1 | Processor Module |
| ABB | CS513 | MB300 Communication Submodule |
| ABB | CI522A | Advant Fieldbus 100 Interface |
| GE | IS200AEIPA1A | Ethernet Interface Board |
| Honeywell | 51402089-100 | LCN Communication Card |
| Siemens | 6GK1561-1AA01 | CP 5611 Communication Card |
