Description
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
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
Benefits :
The following built-in functions minimize system downtime:
• Extended Built-in Self- Test (BIST) for computer diagnostics and fault identification during start-up and runtime
• Prepared for online remote diagnostics
• Prepared for online fi rmware upgrade
• Bootable from fi le server or local fl ash memory
• Easy installation and replacement
1. DIN Rail mounting
2. All connections are pluggable
3. 3 digit address switches
• Hot swap in redundant applications, dual and triple Hot-Standby redundancy, 1oo2 redundancy
• Status LED indication (Normal/Error)
• RoHS compliant
Computer performance :
• RCU501 performance is application dependant and governed by process complexity, updating frequency and number of interfaced I/O. Maximum updating frequency is 50 Hz.
• Confi guration guidelines:
1. ESD/PSD: max. 800 I/O, F&G: max. 700 I/O both at scan rate: 1 Hz
2. Process/ Automation: max. 2000 I/O, design advice: 1280 I/O both at scan rate: 1 Hz
3. Anti-surge: 3 loops, Scan rate: 50 Hz
4. Dynamic Positioning: Triple redundant DP system combined with Position Mooring. (Scan rate is adapted to signal processing and varies from 1 to 10 Hz).
