KONGSBERG RCU501 REMOTE CONTROLLER UNIT

Product Description:

RCU501 is a high-performance real-time process control computer launched by Norwegian company KONGSBERG (Kongsberg). It belongs to the K-Chief 600 shipboard integrated automation system. Its core function is for on-site remote control, logical operations, and multi-device protocol gateway. The original part number is commonly 603439.
Core Architecture: Embedded 400 MHz Power PC processor, 64MB RAM + 16MB PROM flash memory
Positioning: Core controller for DP positioning, propulsion control, engine room monitoring, and safety interlocks
Explosion-proof Certification: Ex Zone 2 for hazardous areas

Electrical and Environmental Parameters
Power Supply
Rated: 24 VDC (allowable range 18~32 VDC, fluctuation + 30%/-25%)
Steady-state power consumption ≤ 20W, static current ≈ 0.8A, startup peak 2.7A
Includes overvoltage, surge, power failure alarm monitoring, and supports redundant dual power supply connection
Temperature and Humidity
Operating temperature: -25℃ ~ +70℃; storage – 40℃ ~ +85℃
Humidity: Maximum 95% RH (no condensation)
Mechanical Specifications
Installation: Standard DIN rail snap-in installation
Shell: Aluminum alloy, protection IP66/IP67
Weight approximately 2.5kg

Communication and IO Channels
1. Bus Interfaces (Full Redundancy Design)
Dual RBUS remote IO bus: 2×RJ45, 2Mbps Manchester encoding, RS485 bottom layer, maximum cable 200m, CAT5 network cable is sufficient
Dual Ethernet LAN: for upper-layer K-Chief system networking
RedundancyNet dedicated network: hot standby synchronization between multiple RCU units
Fieldbus: 2 channels PROFIBUS, 2 channels CANBUS (compatible with DeviceNet)
2. General IO
4 channels digital input DI, 4 channels digital output DO (24VDC level)
3. Third-party Serial Ports
Integrated 32 serial channels, native support: NMEA0183, Modbus RTU/TCP, PROFIsafe; customizable for manufacturer’s private protocol

 Safety Level and Industry Certification
Functional Safety SIL
Single unit independent: SIL 1
Dual-machine redundant hot standby: SIL 2 / SIL 3 (highest safety configuration for maritime)
Classification Society Certification: DNV-GL, ABS, LR, BV, CCS China Classification Society, RINA Full Certification
Standard Compliance: IACS E10, IEC 60533/60945/61508/62061; Achilles Level 1 Network Security Protection (resists industrial control network attacks)

Core Application Scenarios
DP Positioning System: Calculating propulsion force, coordinate maintenance, heading control (standard for offshore platforms, dredgers, wind turbine installation vessels)
Propulsion / Rudder Control System: K-Thrust propulsion system on-site logic station
Engine Room Comprehensive Monitoring: Pumps, valves, cooling, fuel system interlock alarm
Safety System ESD: Emergency stop, fire protection, inert gas safety interlock
Navigation Sensor Data Aggregation: GPS, compass, wind speed sensor signal protocol conversion distribution