1756-L55M22 处理器模块
Allen-Bradley 1756-L55M22是一款ControlLogix控制器，是Logix5000系列控制器的成员。它具有 750 KB 的数据和逻辑存储器、208 KB 的 I/O 存储器以及集成的非易失性备份存储器。1756-L55M22 有 2 个 CPU，一个 Logix 和一个背板，在它们之间分配资源。应用程序代码和消息由 Logix CPU 执行，背板 CPU 从背板发送和接收数据并与 I/O 通信。1756-L55M22 控制器通过串行端口连接到工作站或其他控制器。
1756-CP3 串行电缆用于将控制器连接到工作站。为了与其他设备通信，它使用各种网络，如以太网/ IP，控制网，设备网等。1756-L55M22 可以通过 EtherNet/IP 或 ControlNet 网络生成和使用系统共享标签。生产者和消费者系统都需要一个连接。
1756-L55M22控制器具有多任务处理功能，可将处理时间分配给应用中的不同操作。它还包含用于组数据和逻辑的程序。它提供了将可执行代码封装在一种编程语言中的例程。它在线和离线支持Logix5000编程语言。如果发生任何 I/O 通信故障，它的 I/O LED 呈绿色闪烁。它还包含用于诊断的故障处理程序。1756-L55M22支持需要定期维护的1756-BA1或1756-BATM电池。
Allen Bradley 1756-L55M22 is a ControlLogix controller and a member of the Logix5000 series of controllers. It has 750 KB of data and logical memory, 208 KB of I/O memory, and integrated non-volatile backup memory. 1756-L55M22 has 2 CPUs, one Logix, and one backplane, allocating resources between them. The application code and messages are executed by the Logix CPU, and the backplane CPU sends and receives data from the backplane and communicates with I/O. The 1756-L55M22 controller is connected to a workstation or other controller through a serial port.
The 1756-CP3 serial cable is used to connect the controller to the workstation. In order to communicate with other devices, it uses various networks such as Ethernet/IP, control network, device network, etc. 1756-L55M22 can generate and use system shared tags through EtherNet/IP or ControlNet networks. Both the producer and consumer systems require a connection.
The 1756-L55M22 controller has a multitasking function, which can allocate processing time to different operations in the application. It also includes programs for grouping data and logic. It provides routines to encapsulate executable code in a programming language. It supports the Logix5000 programming language both online and offline. If any I/O communication failure occurs, its I/O LED flashes green. It also includes fault handling programs for diagnosis. 1756-L55M22 supports 1756-BA1 or 1756-BATM batteries that require regular maintenance.
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