Network Infrastructure for EtherNet/IP: Introduction and. Document Reference Number: ENET-TDA-EN-P http://literature. pdf . Availability: Whenever possible, most network designs are built .

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A loop will exist in the network for as long as 4 ms during this test. These wnet add 2, pps of traffic that is only needed in a ring topology. Rockwell Otomasyon Ticaret A.

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We do not recommend connecting device-level topologies directly to Layer 3 distribution switches. This test verifies the detection of a failed supervisor. The test alternates failing and restoring the active port on IES In the case of DLR, the supervisor with the highest precedence value will become the active supervisor on snet network.

Linear topologies can be connected directly to the switch. If the back-up supervisor does not hear the supervisor for a period of time, it assumes the supervisor failed and takes over the supervisor role.

Embedded Switch Technology Reference Architectures Reference

Switch Redundant Star Timeout. It is possible under rare circumstances or misconfiguration that the supervisor will o but traffic will continue to flow. In these tests, the ring is connected to additional switches. The ring has two supervisors configured. The default Beacon Timeout is based on a nominal device, embedded switch ring with m cables between devices.

Embedded Switch Technology Reference Architectures Reference

It is important to note that the ring fault recovery time assumes the length of the links is m or less. The tests use a traffic generator ixia traffic simulator to measure network recovery performance for both unicast and multicast traffic. You can view or download publications at http: The examples and diagrams in this manual are included solely for illustrative purposes.


Chapter Question Answer Chapter 1 What is a network? The worst case failure is that the loop will be undetectable and will generate a broadcast storm that will take down the network.

There are three break points in this topology: You can contact Customer Support for initial help in getting your product up and running. The disadvantage of this topology is that it may require direct connection to the device-level topology for maintenance operations of non-CIP devices, such as diagnostics and configuration.

Mixed Embedded Switch and Single-port Technology. Industrial Automation Wiring and Grounding Guidelines, publication The backup supervisor must detect that the supervisor is no longer present and block port 2. Inserting device-level topologies between the managed switches may lead to unexpected results.

United States or Canada 1. The remaining modules are not assigned IP addresses. ente

Do not connect two ports configured with the ab-multiport-device together, either directly or indirectly. The tests record the following timeouts: United States Contact your distributor. Allen-Bradley devices with embedded switch technology have these features in common: The remaining two ports on the embedded switch are connected to ports 1 and 2 on the module, which connect the module to the device-level topology.

If you have any suggestions on how to improve this document, complete this form, publication RA-DU, available at http: This topology is also implemented at the device level. Embedded switch technology adds the choices of device-level topologies: We do not recommend using device-level topologies as the backbone of the network.


However, if your product is not functioning and needs to be returned, follow these procedures.

Linear Network A linear network is a collection of devices that are daisy-chained together. This reduces td01 number of ports needed on the IES switch. Supervisor The DLR ring supervisor maintains a loop-free topology by blocking port 2 of the embedded-switch device.

If both supervisors have the same precedence value, the device with the highest MAC address will become the supervisor. Because these ports are connected to a single NIC, they cannot be used to connect to multiple Ethernet networks. This test assesses DLR outages when the main switch ring experiences a disruption.

The test examines the following conditions: This test assesses DLR outages when the redundant switch topology experiences a disruption. No additional switches are required.

Labels may be on or inside the equipment, for td0001, a drive or motor, to alert people that dangerous voltage may be present. To order paper copies of technical documentation, contact your local Allen-Bradley distributor td0001 Rockwell Automation sales representative.