RCU502i Kongsberg Control Unit Processor Module

Kongsberg RCU502i Concise English Technical Specification
Basic Information
Brand: Kongsberg Maritime
Model: RCU502i
Product Name: Remote Control Unit Processor Module
Origin: Norway
HS Code: 8537101190
Dimension: 140mm × 45mm × 120mm
Net Weight: 0.35kg

Electrical & Environmental Parameters
Power supply: 24VDC (18–31.2VDC), typical power consumption 4.8W
Communication: Dual galvanic isolated RBUS RS485 ports, Modbus TCP/RTU
Operating temperature: -40°C ~ +70°C
Storage temperature: -45°C ~ +85°C
Humidity: 5%–95% non-condensing
Protection grade: IP20 cabinet installation
Certifications: ABS, DNV marine type approval, ATEX Zone 2, CE
Core Product Characteristics
Decentralized distributed control architecture reduces long-distance signal wiring; dual redundant RBUS communication prevents data loss; built-in comprehensive self-diagnosis with front LED fault indicators; supports online program modification without system stop; robust anti-vibration and anti-corrosion design for marine salt fog environment; DIN rail mounting compatible with all K-Chief 500 series I/O modules; fail-safe output logic triggered by communication failure.
Wiring Instruction
Mount the module on standard DIN rail inside marine control cabinet. Connect 24VDC power to screw terminal blocks, link dual RBUS D-Sub ports to RMP420S/RDIO420S I/O modules with shielded twisted pair cables, separate power wiring and signal wiring to avoid electromagnetic interference.