Allen-Bradley 1756-EN2T是ControlLogix通信模块系列

Allen-Bradley 1756-EN2T是ControlLogix通信模块系列的一部分。它是一个以太网/IP(以太网工业协议)接口通信模块。它支持通用消息传递、实时I/O消息传递以及实时控制、时间同步和运动等应用程序的信息交换。1756-EN2T还具有CIP安全标准，允许同时传输安全和控制数据和诊断信息。它使用先进的通信芯片和物理介质。

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Allen-Bradley 1756-EN2T是ControlLogix通信模块

【功能描述】

1756-EN2T支持10 ~ 100mbps的以太网/IP通信速率，采用双绞线铜介质。它支持256个Logix和128个TCP/IP通信连接。它可以在以太网/IP网络上支持最多8轴的集成运动，并在5.1伏直流下吸取1 a电流。最大功耗5.1瓦，散热17.4 BTU/小时。可安装在ControlLogix机箱的任意槽位。对于布线，它使用非屏蔽RJ45, 5类，双绞线连接器与控制器接口。为了操作以太网/IP网络，需要定义IP地址、子网掩码、网关等参数。1756-EN2T桥具有多种功能，例如提供对消息传递、分布式I/O和标签的支持。它将消息封装在标准的TCP/IP协议中。ControlNet和DeviceNet网络协议允许它共享一个公共应用层。它不需要任何调度表或路由表来存储信息。其他功能包括保护模式、电子密钥、设备级环形网络和并行冗余协议网络支持。

1756-EN2T是一款支持以太网I/P协议的ControlLogix通信适配器。该模块为单槽模块，可安装在ControlLogix机箱的任何槽位上。提供1(1)个RJ45接口，用于连接以太网。

以太网是一种用户友好的现代协议，由于工业物联网(IIoT)的发展而被广泛使用。支持以太网协议的设备最适合植入这种新兴技术。此外，以太网是一个开放协议，这意味着网络的可扩展性更容易实现，因为所需的设备不是专有类型。

单个1756-EN2T模块能够同时与人机界面(HMI)，监控和数据采集(SCADA)，编程工作站，分布式I/O客户端，第三方设备或这些设备的任何组合进行通信。该模块最多支持256个Logix连接和128个TCP/IP连接。

该模块能够连接到线性拓扑的网络，支持10/ 100mbps的通信速率。它兼容任何ControlLogix机箱如1756-A4、1756-A7、1756-A10、1756-A13、1756-A17和ControlLogix电源如1756-PA72、1756-PA75、1756-PB72、1756-PB75、1756-PC75、1756-PH75。

Allen-Bradley 1756-EN2T是ControlLogix通信模块

The Allen-Bradley 1756-EN2T is part of the ControlLogix family of communication modules. It is an Ethernet /IP(Ethernet Industrial Protocol) interface communication module. It supports universal messaging, real-time I/O messaging, and information exchange for applications such as real-time control, time synchronization, and motion. The 1756-EN2T also features the CIP security standard, which allows for the simultaneous transmission of security and control data and diagnostic information. It uses advanced communication chips and physical media.

The 1756-EN2T supports Ethernet /IP communication rates of 10 to 100 MBPS and uses twisted-pair copper media. It supports 256 Logix and 128 TCP/IP communication connections. It can support up to 8 axes of integrated motion over Ethernet /IP networks and draw 1 a current at 5.1 volts DC. The maximum power consumption is 5.1 watts and the heat dissipation is 17.4 BTU/ hour. It can be installed in any slot of the ControlLogix chassis. For cabling, it uses an unshielded RJ45, Class 5, twisted pair connector to interface with the controller. To operate an Ethernet /IP network, you need to define parameters such as the IP address, subnet mask, and gateway. The 1756-EN2T bridge has a variety of functions, such as providing support for messaging, distributed I/O, and labeling. It encapsulates the message in the standard TCP/IP protocol. The ControlNet and DeviceNet network protocols allow it to share a common application layer. It does not require any scheduling or routing tables to store information. Additional features include protected mode, electronic key, device-level ring networking, and parallel redundancy protocol networking support.

The 1756-EN2T is a ControlLogix communication adapter that supports the Ethernet I/P protocol. It is a single-slot module that can be installed in any slot of the ControlLogix chassis. Provides 1(1) RJ45 ports for Ethernet connection.

Ethernet is a user-friendly, modern protocol that has become widely used due to the development of the Industrial Internet of Things (IIoT). Devices that support the Ethernet protocol are best suited to incorporate this emerging technology. In addition, Ethernet is an open protocol, which means that scalability of the network is easier to achieve because the required devices are not proprietary types.

A single 1756-EN2T module is capable of simultaneously communicating with Human machine interface (HMI), supervisory Control and data acquisition (SCADA), programming workstations, distributed I/O clients, third-party devices, or any combination of these devices. The module supports up to 256 Logix connections and 128 TCP/IP connections.

The module is capable of connecting to a network in a linear topology and supports a communication rate of 10/100mbps. It is compatible with any ControlLogix chassis such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 and ControlLogix power supplies such as 1756-PA72, 1756-PA75, 1756-PB72, 1756-PB75, 17 56-PC75, 1756-PH75.