1756-EN2TR 双端口接口通信模块

Allen-Bradley 1756-EN2TR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)双端口接口通信模块。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-EN2TR还符合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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1756-EN2TR 双端口接口通信模块

【功能描述】

1756-EN2TR模块具有10 - 100 Mbps的以太网/IP通信速率，并使用双铜。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5.1V DC下吸取1 a电流。最大功耗5.1 W，散热17.4 BTU/hr。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-EN2TR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。1756-EN2TR不需要任何调度或路由表来存储信息。其他功能包括明确的保护模式、电子密钥、设备级环网和并行冗余协议网络支持。

1756-EN2TR是一款ControlLogix以太网通信模块，专为冗余以太网而设计。内置双rj45接口，支持以太网协议，传输速度为10/ 100mbps，具有自协商功能，提高了以太网的可用性。

该模块支持环形和星形拓扑与合格的合作伙伴设备，如Flex IO, POINT IO冗余以太网适配器，CompactLogix和ControlLogix。该模块还支持实现消息到其他Allen-Bradley控制器，如SLC 500, PLC-5和MicroLogix控制器。它还兼容与同一Allen-Bradley甚至第三方产品的人机界面(HMI)，监控和数据采集(SCADA)通信。它还可以与包括合作伙伴模块和第三方网关、转换器和设备合作。

该模块还支持计算机和编程工作站的嵌入式以太网通信，因此无需购买昂贵的通信适配器来建立与控制器的连接。此外，该模块所需的电缆是5类或6类电缆，可以制作成通信电缆。

该模块最多可以同时建立128个TCP连接，而对于通用工业协议(CIP)，最多可以建立256个连接。

可以使用Allen-Bradley BOOTP- DHCP工具对IP地址进行初始配置或设置。不仅对于这个模块，BOOTP-DHCP工具还用于Allen-Bradley制造的各种以太网设备。

1756-EN2TR 双端口接口通信模块

The Allen-Bradley 1756-EN2TR is part of the ControlLogix family of communication modules. It is an Ethernet /IP(Ethernet Industrial Protocol) dual-port 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-EN2TR also complies with the CIP security standard, allowing the simultaneous transmission of security and control data and diagnostic information. It uses advanced communication chips and physical media.

The 1756-EN2TR module has an Ethernet /IP communication rate of 10-100 Mbps and uses dual copper. 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 5.1V DC. Maximum power consumption 5.1W, heat dissipation 17.4BTU /hr. 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-EN2TR 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. The 1756-EN2TR does not require any scheduling or routing tables to store information. Additional features include explicit protection modes, electronic keys, device-level ring networking, and parallel redundancy protocol networking support.

The 1756-EN2TR is a ControlLogix Ethernet communication module designed for redundant Ethernet. Built-in double rj45 interface, support Ethernet protocol, transmission speed of 10/100mbps, with auto-negotiation function, improve the availability of Ethernet.

The module supports ring and star topologies with qualified partner devices such as Flex IO, POINT IO redundant Ethernet adapters, CompactLogix and ControlLogix. The module also supports implementation messages to other Allen-Bradley controllers such as SLC 500, PLC-5, and MicroLogix controllers. It is also compatible with human machine interface (HMI), monitoring and Data acquisition (SCADA) communications with the same Allen-Bradley and even third-party products. It can also work with partner modules and third-party gateways, converters and devices.

The module also supports embedded Ethernet communication for computers and programming workstations, so there is no need to purchase an expensive communication adapter to establish a connection to the controller. In addition, the cable required for the module is Class 5 or Class 6 cable, which can be made into a communication cable.

The module can establish up to 128 TCP connections at the same time, and for the Common Industrial Protocol (CIP), up to 256 connections can be established.

You can use the Allen-Bradley BOOTP-DHCP tool to initially configure or set an IP address. Not only for this module, the BOOTP-DHCP tool is also used for various Ethernet devices manufactured by Allen-Bradley.