1757-SRM 是 Allen-Bradley ProcessLogix 和 ControlLogix 系統(tǒng)的一個重要模塊,它用于實現(xiàn)控制器的冗余配置,從而提高整個工業(yè)控制系統(tǒng)的可用性和可靠性。這種模塊通過在兩個不同的 ControlLogix 機箱上安裝主控制器和輔助控制器來同步操作,確保在主控制器發(fā)生故障時,輔助控制器能夠無縫接管控制任務,保證生產過程的連續(xù)性。
1757-SRM 模塊具有以下特點:
兩插槽模塊,設計用于安裝在 ControlLogix 機箱中。
帶有集成的光纖端口,使用 62.5/125 微米多模光纖電纜與另一個機箱中的 1757-SRM 模塊連接,形成同步鏈路。
模塊狀態(tài)顯示功能,通過不同的 LED 指示燈提供關于模塊運行狀態(tài)的實時信息,包括主機箱指示(PRI LED)、通信和同步狀態(tài)(COM LED)以及健康狀態(tài)(健康狀態(tài) LED)。
該模塊與多種 ControlLogix 機箱和系統(tǒng)電源兼容,包括但不限于 1756-A4、1756-A7、1756-A10、1756-A13 和 1756-A17 機箱,以及 1756-PA72、1756-PA75、1756-PB72 和 1756-PB75 系統(tǒng)電源。安裝時,需要確保兩個機箱的尺寸、模塊安裝和定位、系統(tǒng)電源和模塊版本相匹配。
1757-SRM 模塊的設計是為了滿足關鍵工業(yè)應用的需求,這些應用需要在任何情況下都保持運行,通過冗余系統(tǒng)確保生產的連續(xù)性和安全性。
The 1757-SRM is an important module of the Allen-Bradley ProcessLogix and ControlLogix systems, which are used for redundant configuration of controllers to improve the availability and reliability of the entire industrial control system. This module operates synchronously by installing the primary and secondary controllers in two different ControlLogix cases, ensuring that the secondary controller can seamlessly take over control tasks in the event of a primary controller failure, ensuring continuity in the production process.
The 1757-SRM module has the following features:
Two-slot module designed for installation in the ControlLogix chassis.
With an integrated fiber port, the 62.5/125 micron multimode fiber cable is connected to the 1757-SRM module in another chassis to form a synchronous link.
The module status display function provides real-time information about the operating status of the module through different LED indicators, including the main box indicator (PRI LED), communication and synchronization status (COM LED), and health status (health LED).
The module is compatible with a variety of ControlLogix chassis and system power supplies, including but not limited to the 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 chassis. And 1756-PA72, 1756-PA75, 1756-PB72, and 1756-PB75 system power supplies. During installation, ensure that the dimensions, module installation and location, and system power supply and module version of the two chassis are consistent.
The 1757-SRM module is designed to meet the needs of critical industrial applications that need to remain operational in all circumstances, ensuring continuity and safety of production through redundant systems.
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