The DSBC176 3BSE019216R1 is a critical processing and communication module within the ABB Advant OCS (Open Control System) and MasterWorks architecture. Serving as a Bus Controller, this board manages the synchronization and data exchange between the central processor units and the I/O clusters via the AF100 (Advant Fieldbus 100). It is engineered for heavy-duty industrial environments, providing the computational power necessary for real-time logic execution and high-speed bus arbitration in power plants, oil refineries, and chemical processing facilities.
Product Specifications (Datasheet)
Model Identification Model Name: DSBC176 Part Number: 3BSE019216R1 Manufacturer: ABB System Category: Advant Controller 400 Series / MasterPiece
Processor & Memory Processor Type: Integrated 32-bit RISC architecture On-board Memory: High-speed SRAM for real-time data; Flash for firmware storage Data Transfer Rate: Up to 1.5 Mbit/s on AF100 bus
Physical Attributes Dimensions: 234 mm x 160 mm (Standard Eurocard format) Weight: 0.85 kg Mounting: Standard subrack slot (typically MasterPiece 200 or AC450) Power Consumption: Typically 5.5W from internal 5V bus
Communication Interfaces Bus Protocol: AF100 (Advant Fieldbus 100) Redundancy Support: Fully supports redundant processor configurations Internal Bus: X-bus interface for communication with carrier boards
Logistics Country of Origin: Sweden HS Code: 85389091 Environmental: 0°C to +55°C Operating Temperature; 5-95% humidity (non-condensing)
Application Fields
The DSBC176 is predominantly found in large-scale legacy systems that require high uptime and robust communication:
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Power Generation: Coordinating turbine control systems and auxiliary plant logic.
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Oil & Gas: Managing offshore platform safety systems and distributed I/O control.
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Pulp & Paper: Handling high-speed synchronization of paper machine drives and sensors.
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Metals & Mining: Facilitating communication between distributed control desks and remote I/O stations in harsh smelting environments.
Product Instructions
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Preparation: Before handling the DSBC176, ensure the system power is switched off. This board is highly sensitive to static electricity; use a grounded ESD wrist strap and anti-static mat.
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Addressing: Check the hardware address jumpers or dip switches on the board to ensure they match the configuration in your Advant Station engineering tool.
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Insertion: Slide the board carefully into the designated slot of the subrack. Use the ejector levers to firmly seat the connectors into the backplane. Secure the front panel screws.
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Redundancy Check: If used in a redundant pair (primary/backup), ensure both DSBC176 boards are of the same revision level (e.g., both 3BSE019216R1) to prevent synchronization errors.
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LED Diagnostics: Upon power-up, monitor the front-panel LEDs. A steady green ‘RUN’ light indicates normal operation, while a red ‘F’ (Fault) light suggests a hardware failure or configuration mismatch.
Q&A – Frequently Asked Questions
Q: Can the DSBC176 be hot-swapped while the system is running? A: In a redundant configuration, the standby board can typically be replaced without shutting down the process. However, always refer to your specific AC450/MasterPiece manual for the “Live Insertion” protocol to avoid bus disruption.
Q: What is the difference between DSBC176 and DSBC174? A: The DSBC176 (3BSE019216R1) is a later version with improved processing capability and memory management compared to the older DSBC174, though they often serve similar roles in the AF100 bus control.
Q: Does this board require a battery for memory retention? A: While the board stores firmware in non-volatile flash, the real-time data and configuration are maintained by the subrack’s central battery backup unit. Ensure your subrack battery is healthy.
Q: My board shows a “B” (Blocked) LED status. What does this mean? A: The ‘B’ LED usually indicates that the bus communication is blocked or that the board has been inhibited by the processor. This often points to a configuration error or a conflict on the AF100 bus.
Recommended Similar Models
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ABB DSBC174 (Bus Controller Board)
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ABB DSBC173 (AF100 Bus Interface)
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ABB 3BSE018298R1 (PM511V1 Processor)
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ABB 3BSE001929R1 (DSDP170 Pulse Counter)
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ABB 3BSE019210R1 (DSBC172 Communication Module)
