Fig 14-2 Local control panel and local display unit
14.1.2 Engine safety system
The engine safety module handles fundamental safety functions, for example overspeed
protection. It is also the interface to the shutdown devices on the engine for all other parts of
the control system.
Main features:
● Redundant design for power supply, speed inputs and stop solenoid control
● Fault detection on sensors, solenoids and wires
● Led indication of status and detected faults
● Digital status outputs
● Shutdown latching and reset
● Shutdown pre-warning
● Shutdown override (configuration depending on application)
● Analogue output for engine speed
● Adjustable speed switches
14.1.3 Power unit
A power unit is delivered with each engine. The power unit supplies DC power to the automation
system on the engine and provides isolation from other DC systems onboard. The cabinet is
designed for bulkhead mounting, protection degree IP44, max. ambient temperature 50°C.
Wärtsilä 46F Product Guide - a19 - 1 December 2017 14-3
14. Automation SystemWärtsilä 46F Product Guide
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