Power Unit - Wartsila 31 Product Manual

13. Automation System
- Local start & stop
- Trip & Shutdown reset
- Emergency stop
● Local emergency speed setting (mechanical propulsion):
● Local emergency stop
Fig 13-1
13.1.4 Engine safety system
The engine safety module handles fundamental safety functions, for example overspeed
protection.
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)
13.1.5

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 power supply systems onboard. The
cabinet is designed for bulkhead mounting, protection degree IP44, max. ambient temperature
50°C.
13-2
Local display unit
Wärtsilä 31 Product Guide
Wärtsilä 31 Product Guide - a1 - 18 October 2016