KONGSBERG RCU501 是一款高性能的通用实时过程控制计算机，适用于广泛的系统应用，包括陆上和海上设施。它的核心处理器是基于嵌入式 Power PC™ 架构，并且该模块已获得 Ex Zone 2 应用的认证 。

RCU501 的应用类型包括动态定位系统、推进器控制/转向系统、导航传感器集成器、集成过程控制系统、报警和监控系统以及安全系统。它具备以下功能：

双以太网 LAN 进程网络

双冗余 RCU 配置的冗余网络接口

双远程 IO 进程总线 (RBUS)

4 个通用数字输入通道

4 个通用数字输出通道

32 个用于第三方接口的串行线路

2 个用于第三方接口的 PROFIBUS 通道

2 个用于第三方接口的 CANBUS 通道

此外，RCU501 还具备以下特点：

单单元拓扑：符合 SIL 1 标准

双单元拓扑：符合 SIL 2 和 SIL 3 标准

三单元拓扑

已批准用于 Ex Zone 2 应用

支持多种协议，包括 Modbus（串行和 TCP）、NMEA 0183、PROFIBUS/PROFIsafe、CAN/DeviceNet，以及按需提供的第三方供应商特定协议

电源：具有电源报警监控的冗余电源输入、浪涌电流和过电压保护

增强型看门狗，具有故障安全功能和系统状态输出

RCU501 还内置了多项功能以最小化系统停机时间，包括扩展的内置自检 (BIST) 用于计算机诊断和在启动和运行期间的故障识别、在线远程诊断准备、在线固件升级准备、从文件服务器或本地闪存启动、易于安装和更换等 。

RCU501 符合多个标准，包括 IACS E10、IEC 60533、IEC 60945、IEC 61508 和 IEC 62061，并且已获得 Det Norske Veritas (DNV)、The American Bureau of Shipping (ABS)、TÜV Rheinland 的型号认证，以及 Wurldtech™ 的 Achilles 一级认证。此外，它还符合 CE 标志，并遵守 2004/108/EC (EMC 指令) 和 94/9/EC (Atex 指令) 。

环境规格方面，RCU501 的工作温度范围为 -10℃ 至 50℃，具有紧凑的模块化设计，高度防水防尘 (IP67)，并内置了诊断和监控功能，支持多种通信协议，可定制操作界面 。

KONGSBERG RCU501 is a high-performance general purpose real-time process control computer for a wide range of system applications, including onshore and offshore installations. Its core processor is based on the embedded Power PC™ architecture, and the module is certified for Ex Zone 2 applications.

Applications for the RCU501 include dynamic positioning systems, thruster control/steering systems, navigation sensor integrators, integrated process control systems, alarm and monitoring systems, and safety systems. It has the following functions:

Dual Ethernet LAN process network

Redundant network interface configured with dual redundancy RCU

Dual Remote IO Process Bus (RBUS)

4 universal digital input channels

4 universal digital output channels

32 serial lines for third-party interfaces

Two PROFIBUS channels for third party interfaces

2 CANBUS channels for third-party interfaces

In addition, the RCU501 has the following features:

Unit topology: compliant with SIL 1 standards

Two-cell topology: compliant with SIL 2 and SIL 3 standards

Three-element topology

Approved for Ex Zone 2 applications

Multiple protocols are supported, including Modbus (serial and TCP), NMEA 0183, PROFIBUS/PROFIsafe, CAN/DeviceNet, and third-party vendor-specific protocols available on demand

Power Supply: Redundant power input with power alarm monitoring, surge current and overvoltage protection

Enhanced watchdog with fail-safe features and system status output

The RCU501 also has several built-in features to minimize system downtime, including extended built-in self-test (BIST) for computer diagnostics and fault identification during startup and operation, online remote diagnostic preparation, online firmware upgrade preparation, booting from a file server or local flash memory, easy installation and replacement, and more.

The RCU501 complies with several standards, including IACS E10, IEC 60533, IEC 60945, IEC 61508 and IEC 62061. It has received type certification from Det Norske Veritas (DNV), The American Bureau of Shipping (ABS), TUV Rheinland, and Achilles Level 1 certification from Wurldtech™. In addition, it complies with the CE marking and complies with 2004/108/EC (EMC Directive) and 94/9/EC (Atex Directive).

In terms of environmental specifications, the RCU501 operates in a temperature range of -10 ° C to 50 ° C, has a compact modular design, is highly water and dust resistant (IP67), and has built-in diagnostic and monitoring functions, supports multiple communication protocols, and can be customized to operate the interface.