The RCU 500 is a stand-alone computer designed for process control.
Typical applications include
– Dynamic positioning systems
– Vessel control systems
– Process control systems
– Safety systems
Functional Features
– Power PC processor 8245. 400 MHz, running AIM and DP applications, 32 MB SDRAM memory and 16 MB flash memory
– Built-in self-test (BIST) device and error reporting system (via operator station)
– Watchdog with system status output
– Four general-purpose digital input channels
– Four general-purpose digital output channels
– Twelve general-purpose RS-232/RS-422/RS-485 serial line interfaces
– Four isolated RS-232/RS-422/RS-485 general-purpose serial line www.abb-drive.com interfaces
– Dual CAN bus interfaces (1 Mbps)
– Dual Pro bus (12 Mbps)
– Serial Process Bus (SPBus) interface to RIO 400 remote I/O devices
– Dual 100 Mb Ethernet LAN connectors
– Prepare for redundant RCU operation
– Allows “hot swap” of RCU 500 in redundant systems
– Built-in high temperature and cooling fan alarms
– Easy to install and replace:
– DIN standard rail mounting
– Plug-in connection
– LED status indicator on the front
Description of the RCU 500
The RCU 500 is a real-time single board computer (SBC)-based remote controller unit designed for process control.
It is software compatible with the RCU 400H control unit and the SBC 500 single board computer.
Applicable standards
The device is designed to comply with the following standards
Standard:
– IEC 61131-2
– IEC 60945
– IACS E10
– IEC 61508
CE Marking
The modules comply with the relevant EU directives.
Type Approvals
The RCU500 design has been type approved by the following organisations:
– Det Norske Veritas (DnV)*
– American Bureau of Shipping (ABS)*
– TÜV Rheinland to IEC 61508*.
* Approval is expected in the second quarter of 2004.
Dimensions
Height: 355 mm
Width: 158 mm
Depth: 87 mm
Weight: 1.35kg
Electrical Parameters
Input voltage: 24 V DC ±20
Power consumption: 20 W maximum
Connector: Screw terminal, 1.5 mm2
Environmental specifications cations
Ambient temperature
Operating temperature: 0° C to 70° C
Storage temperature: -25° C to 70°C
Ambient humidity
Operating: up to 98% relative humidity
Storage: up to 98% relative humidity
Heat dissipation: 20 W maximum
Protection standard: IP20 IP20
Electromagnetic compatibility according to EN 61000-6-2. EN 61000-6-4 and EN 60945
Computer details
CPU type: Power PC 8245
CPU speed: 400 MHz.
Memory 32 MB SDRAM
16 MB Flash memory
SPBus Interface
SPBus interface: 1
Supply voltage: 10 to 28.8 VDC
SPBus connector: 9-pin male DSUB
SPBus Isolation 500 V (Optocoupler)
SPBus type: RS-485 (multiplexed)
SPBus frequency: up to 2 MHz
SPBus signal coding Manchester code (self clocking)