The Norcontrol NN-808.3 is an Isolation Converter / Meter Driver Adapter PCB Card, identified by board number HE220385B. It is used in Norcontrol marine automation and control systems to provide signal interfacing and electrical isolation between control-system electronics and connected instrumentation.

Key Features

• Designed as an isolation converter PCB card.
• Provides signal isolation between control and field equipment.
• Documented as an adapter card / meter driver.
• Associated with 4–20 mA signal-conversion applications.
• Compact plug-in PCB construction.
• Designed for Norcontrol marine automation equipment.
• Supports analog instrumentation and control-signal interfacing.
• Identified by NN-808.3 / HE220385B for replacement matching.
• Suitable for maintenance of legacy Norcontrol/Kongsberg installations.

Typical Applications

• Marine automation systems
• 4–20 mA signal interfacing
• Analog meter driving
• Signal isolation and conversion
• Engine-room automation
• Machinery monitoring systems
• Main-engine control systems
• Marine instrumentation
• Control-panel signal interfacing
• Legacy Norcontrol/Kongsberg system maintenance