1756-L75 可编程自动化控制器

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1756-L75 可编程自动化控制器

【功能描述】

Allen-Bradley 1756-L75可编程自动化控制器(PAC)是ControlLogix控制器平台的一部分，专为大型复杂应用而设计。1756-L75是一个Logix处理器，可以下载用梯形图(LD)、结构文本(ST)、功能框图(FBD)和顺序功能图(SFC)开发的用户程序。

1756-L75是Logix 5570控制器系列中功能最强大的处理器，因为该控制器具有32MB用户内存和0.98输入和输出内存。有了这个功能，那些为实现复杂的应用程序而定制的用户程序就可以使用这个控制器来实现。此外，1756-L75是与罗克韦尔自动化PlantPAx分布式控制系统(DCS)兼容的控制器之一。1756-L75还配备了一张1784-SD1安全数字(SD)卡，非易失性内存面积达1gb。

1756-L75符合之前接受的环保解决方案，即使用能量存储模块来保留易失性存储器的内容，而不是使用传统电池。此外，该控制器能够下载多达32个控制器任务，其中每个任务可能包含多达100个程序，并支持所有事件触发器。

1756-L75可用于接口多达128,000个数字I/O和4000个模拟I/O。所述嵌入式USB端口可用于将初始配置下载到所述控制器，并且能够传输速率高达12 Mbps。该控制器可用于简单配置或冗余配置，可安装在1756 ControlLogix机箱的任意槽位。

1756-L75控制器最多可以处理500个控制器连接。它还提供多种通信选项，如第三方进程和设备网络、以太网/IP、SynchLink、ControlNet、Remote I/O、DeviceNet和Data Highway Plus。

The Allen-Bradley 1756-L75 Programmable Automation Controller (PAC) is part of the ControlLogix controller platform that is designed for use in large and complex applications. The 1756-L75 is specifically a Logix processor that accepts downloading of user program developed in Ladder Diagram (LD), Structure Text (ST), Function Block Diagram (FBD) and Sequential Function Chart (SFC).

The 1756-L75 is the most powerful processor from the Logix 5570 controller series as this controller comes with a 32MB user memory and 0.98 Input and Output memory. With this capability, user programs that are custom designed to implement sophisticated applications may be implemented using this controller. Additionally, the 1756-L75 is one of the controllers compatible for use with the PlantPAx Distributed Control System (DCS) by Rockwell Automation. The 1756-L75 is also shipped with One (1) 1784-SD1 Secure Digital (SD) card with non-volatile memory area amounting to 1 GB.

The 1756-L75 complies with the previously accepted eco-friendly solution of using energy storage modules for retaining contents of the volatile memory, instead of using traditional batteries. Additionally, this controller is capable of being downloaded up to 32 Controllers tasks wherein each task may contain up to 100 programs with all event triggers supported.

The 1756-L75 can be used to interface up to 128,000 Digital I/O and 4000 Analog I/O. The embedded USB ports may be used to download initial configuration to the controller and capable of transmission rate up to 12 Mbps. This controller may be used in simples or redundant controller configuration and installed to any slot of the 1756 ControlLogix chassis.

The 1756-L75 controller can handle up to a maximum of 500 controller connections. It also has several communication options available, such as Third-party process and device networks, EtherNet/IP, SynchLink, ControlNet, Remote I/O, DeviceNet, and Data Highway Plus.

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