Category Archives: Allen-Bradley

Stratix 5700 NAT With Layer 3 Routing

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Implementing Stratix 5700 NAT

In this article we will be implementing Layer 2 NAT with Layer 3 routing as shown in the the network topology depicted below. For this example we will be leveraging two Allen-Bradley Stratix 5700 Managed Industrial Ethernet switches (Full Software Version) and three Logix based controllers (machines). With Stratix 5700 NAT capability configured, we can setup a NAT instance per VLAN. When we create multiple VLANs on one Stratix 5700 switch we can connect multiple identical machines and leverage Layer 3 routing to route between the various VLANs.

Stratix 5700 NAT Network Layout

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Stratix 5700 Smartports Configuration

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We’ve been busy creating new videos here at PLCGurus.NET! In this video we take a look at Stratix 5700 Smartports and how to apply a given smartport configuration to the Stratix 5700 Industrial Managed Ethernet Switch.

What are Smartports?

Stratix 5700 Smartports are the recommended configurations for switch ports. These configurations, referred to as smartport roles, optimize the switch connections and provide security, transmission quality, and reliability for traffic to-from the switch ports. The smartport roles also help prevent port misconfigurations.

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Custom HMI/SCADA Using C# And Visual Studio – Part 1

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We are excited to announce a new video series we are working on right here at PLCGurus.NET on our Learn PLCs page and on our YouTube Channel. In this video series we are going to walk you through, in explicit detail, how to create your own Custom HMI-SCADA application using C#, Visual Studio and the .NET programming tools. Through the use of INGEAR NET.LOGIX API’s and drivers we can empower our C# applications to connect directly to any Allen-Bradley Logix based Controller.

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Stratix 5700 Inter-VLAN Routing Configuration

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The Stratix 5700 Inter-VLAN Routing

Stratix 5700 Inter-VLAN Routing can be defined as a way to forward traffic between different VLANs by implementing a router in the network. VLANs logically segment the switch into different subnets, and the routing capabilities of the Stratix 5700 can be configured to route or forward the traffic between the various VLANs configured.

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ControlLogix – System Overhead Time Slice

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System Overhead Time Slice (SOTS)

I thought I would do a piece on the System Overhead Time Slice setting you will find in pre- L8 (5580) Allen Bradely ControlLogix and CompactLogix platform of controllers.  As the complexity and connectivity of modern automation systems get more complex requiring high-performance communications, I/O, and motion control , careful consideration must be taken to ensure that both user-defined and back-end system tasks are optimized to mitigate the likelihood of CPU starvation.

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