8110 TRICON系统是一种现代化的可编程逻辑与过程控制器，它提供了高水平的系统容错能力，可作为石化生产装置的联锁保护系统，实现装置的紧急停车。 8110对于V9型TRICON系统，有三种形式的机架:主机架、扩展机架和远程延伸机架，主机架与扩展机架多相距30m,与远程延伸机架多相距2km,系统多包含一个主机架、八个扩展机架和六个远程延伸机架,支持总数多达1 18组输入/输出模件或通讯模件，大点数为;2048个数字输入点，1024个数字输出点，1024个模拟输入点，512个模拟输出点和80个脉冲输入点。 81 10其通讯模件不仅可与Modbus装置和集散控制系统(DCS)连接,还能通过点对点(Peer-toPeer)或802, 3网络与外部主机相连接。 8110 TRICON系统通过三重化冗余结构(TMR)实现容错能力,系统有三个完全相同的分支,每一支都能独立地执行控制程序, 并与其他两路并行工作，专用的软、硬件机制可对1/0进行“三取二表决"。参见ITRICON控制器的三重化结构图。 The 8110 TRICON system is a modern programmable logic and process controller that provides a high level of system fault tolerance. It can serve as an interlocking protection system for petrochemical production plants and achieve emergency shutdown of the plant. For the V9 TRICON system, there are three forms of racks: main rack, expansion rack, and remote extension rack. The main rack is at most 30m away from the expansion rack, and at most 2km away from the remote extension rack. The system includes at most one main rack, eight expansion racks, and six remote extension racks, supporting a total of 118 sets of input/output modules or communication modules, with a maximum number of points; 2048 digital input points, 1024 digital output points, 1024 analog input points, 512 analog output points, and 80 pulse input points. The communication module of 81 10 can not only be connected to Modbus devices and Distributed Control Systems (DCS), but also to external hosts through peer-to-peer or 802,3 networks. The 8110 TRICON system achieves fault tolerance through the Triple Redundancy Structure (TMR). The system has three identical branches, each of which can independently execute control programs and work in parallel with the other two channels. The dedicated software and hardware mechanisms can perform a "two out of three voting" on 1/0. Please refer to the triple structure diagram of the ITRICON controller.
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