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HOME >> H51g-HRS B5233-2 997205233 HIMA H41q/H51q System with Quadruple Modular Redundant CPU
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H51g-HRS B5233-2 997205233 HIMA H41q/H51q System with Quadruple Modular Redundant CPU

H51g-HRS B5233-2 997205233 HIMA H41q/H51q System with Quadruple Modular Redundant CPU

The H51g-HRS B5233-2 997205233 belongs to HIMA's H41q/H51q system, featuring a Quadruple Modular Redundant (QMR) CPU architecture. This system integrates four microprocessors across two identical CU modules (1oo2D structure per module), forming a 2oo4D architecture for SIL3/AK6 safety certification. Designed for critical industrial automation, it ensures zero-downtime operation with hot-swappable redundancy, real-time DPR synchronization, and fault tolerance.


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The H51g-HRS B5233-2 997205233 belongs to HIMA's H41q/H51q system, featuring a Quadruple Modular Redundant (QMR) CPU architecture. This system integrates four microprocessors across two identical CU modules (1oo2D structure per module), forming a 2oo4D architecture for SIL3/AK6 safety certification. Designed for critical industrial automation, it ensures zero-downtime operation with hot-swappable redundancy, real-time DPR synchronization, and fault tolerance.


The H51g-HRS B5233-2 997205233 is part of HIMA's H41q/H51q safety system, renowned for its QMR CPU architecture. Key features include:

  • QMR Redundancy: Two dual-processor CU modules (1oo2D each) form a 2oo4D architecture, eliminating single points of failure.

  • Hot-Swappable Design: Seamless failover during module replacement/maintenance via high-speed DPR interfaces.

  • Scalable Modular Design: H41q (compact 5U rack) supports 13 I/O cards (208 points); H51q (modular expansion) accommodates up to 16 sub-racks for large-scale deployments.

  • Safety Compliance: Meets IEC 61508, IEC 61511, and ISO 13849 standards, proven in 25+ years of global deployment.

  • Versatile Applications: Ideal for ESD, F&G, burner management, and high-availability manufacturing systems.

This system ensures maximum uptime and safety integrity for process industries, leveraging HIMA's third-generation PES technology with flexible PC-based configuration and event logging.

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