AB产品Ethernet/IP网络配置与选型指南

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"AB network 产品相关以太网产品选型及用户手册" 在工业自动化领域，AB（Allen Bradley）是知名的自动化解决方案提供商，其产品线包括了多种以太网解决方案。AB网络产品主要服务于其 EtherNet/IP 网络配置，这是一种广泛应用于工业控制系统的通信协议。该描述中列举了一系列的Catalog Numbers，这些是AB提供的不同型号的以太网模块，适用于不同的应用场景和需求。 1. 1756系列：这是AB的ControlLogix系列的以太网模块，如1756-ENBT、1756-EN2F、1756-EN2T等，它们提供了不同的接口和功能，例如1756-ENBT是一个基本的以太网模块，1756-EN2T则提供两个端口，支持冗余和环网配置。 2. 1768和1769系列：这部分是MicroLogix和CompactLogix系列的以太网模块，如1768-ENBT适用于MicroLogix控制器，而1769-L23E等则属于CompactLogix家族，提供不同的输入/输出点数和通信能力。 3. 1783和1794系列：这两个系列主要用于远程I/O和特殊应用，如1783-ETAP是Ethernet Tap设备，用于监视网络流量，1794-AENT则可能是一个Accelera I/O的以太网模块。 4. 其他型号：20-COMM-E和22-COMM-E可能是特定型号的通讯适配器，而1734系列通常是Point I/O的以太网接口，如1734-AENT和1734-AENTR。用户手册中的"Important User Information"部分强调了固态设备（如AB的以太网模块）与传统电磁机械设备的操作特性差异。用户在应用这些设备时，必须了解并遵循《固态控制的应用、安装和维护安全指南》（SGI-1.1）。由于固态设备的多样性及其在各种环境下的使用，所有负责设备应用的人都需要确保设备在每个预期应用中都是安全且合适的。此外，Rockwell Automation明确指出，尽管他们的产品经过精心设计和制造，但他们不会对间接损失或损害承担任何责任，这通常是指设备故障导致的生产中断或其他经济损失。总结来说，AB网络产品提供了广泛的以太网解决方案，涵盖不同级别的控制器和I/O设备，适用于各种工业自动化场景。用户在选择和应用这些产品时，需要充分理解设备的特性和安全指南，以确保系统的稳定运行和安全性。

20 Rockwell Automation Publication ENET-UM001K-EN-P - February 2013

Chapter 2 Configure a Workstation to Operate on an EtherNet/IP Network

Notes:

22 Rockwell Automation Publication ENET-UM001K-EN-P - February 2013

Chapter 3 Configure an EtherNet/IP Communication Module to Operate on the Network

If you use DNS addressing, or reference the module via host name in MSG

instructions, define these parameters.

Check with your Ethernet network administrator to determine if you need to

specify these parameters.

Set the Network IP Address

on a Module

Depending on the EtherNet/IP communication module, you can use some or all

of these tools to set the network Internet Protocol (IP) address:

• Rotary switches - Switches are physical parts on the module. Remember

the following as you read this chapter:

– Some EtherNet/IP communication modules use thumbwheel switches.

that function similarly to rotary switches. This chapter uses the term

rotary switches to describe both switch types.

– Some EtherNet/IP communication modules do not have rotary

switches. If your module does not have switches, skip Set the Network

IP Address with the Rotary Switches on page 24

and go to Set the

Network IP Address with the BOOTP/DHCP Server on page 25

– 1783-ETAPx EtherNet/IP taps use DIP switches to set the network IP

address. For more information on how to use the DIP switches, see the

publications for those products.

• Bootstrap Protocol (BOOTP)/Dynamic Host Configuration Protocol

(DHCP) server

• RSLinx Classic software

• Studio 5000 environment

The module uses these tools sequentially to set the IP address.

Table 1 - EtherNet/IP Network Parameters for DNS Addressing

EtherNet/IP Network Parameter Description

Host name A host name is part of a text address that identifies the host for a module. The full text address of a module is

host_name.domain_name.

Domain name A domain name is part of a text address that identifies the domain in which the module resides. The full text address of a module is

host_name.domain_name. The domain name has a 48-character limit.

If you specify a DNS server, you must type a domain name. Also, if you send email from the module, some mail relay servers require a

domain name during the initial handshake of the SMTP session.

Primary DNS server address This identifies any DNS servers used in the network. You must have a DNS server configured if you specified a domain name or a host

name in the module’s configuration. The DNS server converts the domain name or host name to an IP address that can be used by the

network.

For more information on DNS addressing, see page 35.

Secondary DNS server address