ABB PS853 Bus Extension and Termination Board

Description

The ABB PS853 (4824 506-DZ) is a bus extension and termination board engineered for Advant OCS and MOD 300 distributed control systems. It maintains stable communication between I/O modules and DSP units by extending system buses and providing precise electrical termination. Moreover, its robust PCB design ensures dependable performance in demanding process environments that rely on continuous data exchange. Each board follows ABB’s proven hardware architecture, which helps operators achieve long-term system availability without unnecessary maintenance interruptions.

Key Benefits

The PS853 offers consistent signal integrity across multi-rack installations, delivering predictable performance in complex automation networks. In addition, its integrated termination components reduce noise and reflections, which helps maintain accurate module-to-module communication. Engineers value its straightforward rack integration because it supports rapid system expansion and reliable upgrades. The hardware also withstands industrial temperatures and vibration, therefore supporting long operating cycles in heavy-duty facilities.

Technical Data

Typical Applications

The PS853 integrates reliably into power generation plants where stable control communication is essential for turbine and generator systems. Moreover, process industries such as chemical, oil and gas, and pulp and paper use this board to maintain continuous data exchange across multi-rack automation architectures. Manufacturers also deploy it within DCS and PLC subsystems to ensure clean bus transmission between remote expansion modules. For instance, large industrial substations depend on it for structured signal termination across protection and monitoring systems.

Support & Maintenance

ABB’s hardware design philosophy emphasizes predictable serviceability, allowing technicians to replace or upgrade the PS853 without disrupting communication loops. In addition, the board requires minimal maintenance because its termination components are factory-calibrated for long-term stability. Users typically integrate it within periodic inspection schedules to ensure environmental conditions remain within recommended limits.

FAQ

Q1: What system platforms support the ABB PS853?
A: It is designed for ABB Advant OCS and MOD 300 control systems.

Q2: Does the PS853 require external termination components?
A: No, the board includes integrated termination resistors for simplified installation.

Q3: Can the PS853 extend communication to additional racks?
A: Yes, it supports structured bus extension across multi-rack modular systems.

Q4: Is it suitable for high-vibration industrial environments?
A: Yes, its reinforced PCB design ensures reliable operation in harsh conditions.

Q5: What is the typical installation method?
A: It mounts directly onto the designated rack slot within ABB DCS cabinets.