Alarme multifonction pour bateaux
Jastram Engineering

This unit is the control and monitoring center of the MSA system.
• MSA system is designed to meet all major Classification Societies’ requirements
• Each MSA box services one hydraulic power unit
• Start / Stop capabilities at local and remote stations
• The MSA box connects to multiple remote alarm panels
• The two main types of panels are the alarm panel (AP) and the starter panel (SP)
* Panels used to indicate the status of the steering gear alarms (AP-36, AP-33)
* To start and stop the HPU motor (AP-36, SP-36)
* AP panels are fitted with independent dimming controls
• MSA motor interlocking prevents two motors, connected to two MSA units, from being
run simultaneously
• HPU Low Oil Sensor signal is a dry contact input representing the oil level in the HPU
reservoir
• Spare Alarm Sensors signals are dry contact inputs for up to four spare alarms
• Automatic transfer to backup power supply upon failure of primary power keeps the
steering alarms active
• Automatic restart timer
• Visual indicators at both local and remote panels to warn of events taking place in the
steering system
• Options:
* VDR interface can be added to MSA system for Class requirements
* Ship’s AC Supply output for Dehumidifier in HPU motor
* Serial Output for third party systems, i.e., Ship’s Central Monitoring System
* Ammeter, Hour Counter, Engineer’s Delayed Alarm, Hydraulic Lock Alarm