RCU502 Remote Controller Unit  

RCU501 is a high performance, general purpose, real-time process control computer for use in a
wide variety of system applications in both on- and offshore installations. The processor core is
an embedded Power PC™ architecture and the module is approved for Ex Zone 2 applications.

Application types
• Dynamic Positioning Systems
• Thruster Control / Steering Systems
• Navigation Sensor Integrator
• Integrated Process Control Systems
• Alarm and monitoring Systems
• Safety Systems
Function
• Dual ethernet LAN process networks
• Dual RedundancyNet interface for redundant RCU confi guration
• Dual Remote IO process BUS (RBUS)
• 4 general purpose Digital Input channels
• 4 general purpose Digital Output channels
• 32 serial lines for 3rd party interface
• 2 PROFIBUS channels for 3rd party interface
• 2 CANBUS channels for 3rd party interface

RCU502

Feature
• Single unit topology: SIL 1 compliant
• Dual unit topology: SIL 2 and SIL 3 compliant
• Triple unit topology
• Ex Zone 2 approved
• Compliant to the following protocols:
1. Modbus (Serial and TCP)
2. NMEA 0183
3. PROFIBUS/PROFIsafe
4. CAN/DeviceNet
• 3rd party vendor specifi c protocols are available upon request
• Power:
1. Redundant power input with power alarm monitoring
2. Inrush current and over-voltage protection
• Enhanced watchdog with fail-safe function and system status output