Requirements include the following main areas:
• Electro Magnetic Compatibility
– Radiated and conducted emission
– Radiated and conducted susceptibility
– Electrostatic discharge
– Compass safe distance
• Operating temperature ranges
– +5°C to +55°C up to -25°C to +70°C
• Shock and vibration
– Propeller vibration and wave slamming
• Corrosion from exposure to salt mist
• IP Code for protection against water, dust or objects coming in contact with hazardous parts in the system
The IEC-60945 specifies four different product categories. Products are categorized based upon their location on board and requirements and test cases are adapted accordingly. The categories are:
• Portable
• Protected
• Exposed
• Submerged