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ABB

ABB PMS 620

ABB ABB PMS 620 is a ship power management system in the supplied category 'Power Distribution / Power Management System'. It is normally installed within the main switchboard, automation system and machinery control network. It is intended to coordinate generator loading, starting, stopping, synchronization and load shedding to maintain electrical power continuity. Compared with neighbouring entries in the same series, the supplied list identifies this unit by its model designation; the meaning of any embedded size or rating code should be confirmed in manufacturer documentation. In service it interfaces with generator controls, circuit breakers, switchboards, automation networks, load-shedding logic and alarm systems. Model-specific limits, settings, dimensions and acceptance criteria that are not stated in the supplied data should be taken from the manufacturer documentation.

Components & Design

Component data being added…

Technical Data

system type pms

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Common failures & inspection points

●Communication failure between controllers causes unavailable generator data or automatic-mode alarms

●Voltage or frequency sensing faults can block synchronization or produce incorrect load-sharing commands

●Breaker feedback faults prevent the system confirming breaker status and may inhibit automatic sequencing

●Software, configuration or controller faults cause unexpected mode changes or failed automatic starts

●Power-supply or UPS faults can disable parts of the management system during disturbances

Service & Maintenance

Review alarms and event logs, verify generator status feedback, load sharing, synchronization permissives and automatic start/stop logic under approved test conditions. Inspect redundant power supplies, network connections and controller health and confirm that manual fallback remains available. Exact trip thresholds and protection settings must be taken from approved vessel and manufacturer documentation.

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Replacement Parts

Critical spares may include controller modules, power supplies, communication interfaces, I/O modules, fuses and selected sensors according to the vessel's automation critical-spares list.

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Equipment Model #68173 · ✓ still in production