F3221 HIMA Digital input module SIS instrumentation system

HIMA’s H41q/H51q system is a QMR-Quadruple Modular Redundant, meaning that the central control unit of the system has four microprocessors,
Each of the two microprocessors is integrated on a CU module, and two of the same CU modules form the central control unit. A single CU module forms the 1oo2D structure, and HIMA’s 1oo2D structure products meet AK6/SIL3 safety standards. In order to provide the highest availability to the user, the double 1oo2D structure is used, that is, the 2oo4D structure. In the case of redundant structures, the high-speed dual RAM interface (DPR) enables the two central units to communicate, thus solving the problem of trouble-free repair time constraints.

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HIMA’s H41q/H51q system is a QMR-Quadruple Modular Redundant, meaning that the central control unit of the system has four microprocessors,

Each of the two microprocessors is integrated on a CU module, and two of the same CU modules form the central control unit. A single CU module forms the 1oo2D structure, and HIMA’s 1oo2D structure products meet AK6/SIL3 safety standards. In order to provide the highest availability to the user, the double 1oo2D structure is used, that is, the 2oo4D structure. In the case of redundant structures, the high-speed dual RAM interface (DPR) enables the two central units to communicate, thus solving the problem of trouble-free repair time constraints.

F3221

Its fault tolerance function makes any part of the system fail without affecting the normal operation of the system.

The H41q series is a compact system that primarily consists of a 5-unit tall 19-inch rack. The central rack houses all components, including the central unit, interfaces, communication modules, power and distribution systems, and input and output modules.

The H51q series features a standard modular construction consisting of a 5-unit high 19-inch frame and an additional 16 4-unit high 19-inch input/output sub-frames. The central rack includes the central unit, interfaces, communication modules, monitoring and power modules. Source: author: wu 18030132585 https://www.bilibili.com/read/cv24562934/ bilibili

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