Windlass Control Panel — Tanker
Design, manufacture and on-board commissioning of a new Siemens S7-1200 PLC-controlled windlass control panel on a tanker, replacing the panel damaged in a fire; heave/lower direction and speed steps with a contactor group, the complete control sequence and a chain length counter in the PLC.
About the project
A fire on board a tanker had left the windlass control panel unusable. We designed the panel from scratch around a Siemens S7-1200 PLC, built it in our workshop and commissioned it on board.
The panel contains the contactor group for the heave/lower direction and speed steps of the motor, a phase sequence and voltage monitoring relay, a control transformer and protection breakers. Direction and speed commands come from the deck control station; the complete control sequence is handled by the PLC: interlocks and delay times on direction change, step transitions and motor protection. The PLC also counts the chain length in metres during heaving and lowering.
The panel was built and tested in the workshop, installed on board and commissioned with the windlass under chain load.
- Type
- Tanker
- Service
- Automation
- Year
- 2021
- Status
- Completed
Photos
From the field
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