EtherCAT com between 9025 cRIO

Hello

I'm going to put in place a system of control in which I wish to communicate between two controllers 9025 cRIO via shared variables.  EtherCAT can be used for this?  Would the controllers connected directly (with crossover cable?) or is there a hub or switch involved?

In addition, two controllers must communicate with a GUI under Windows XP.  I was counting on the use of the Ethernet port on the controllers for this.  How can you control what variables are seen on EtherCAT vs Ethernet?

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Hello

EtherCAT is a protocol for deterministic Ethernet communication. 9025 controller can be configured as master EtherCAT; However, 2 master EtherCAT can be connected. The 9025 can be connect to the expansion chassis 9144 for EtherCAT communication.

With 2 controllers, you can use a router for network communications; such that each controller can accommodate network variable static. Each controller will act as a separate network system, just like a PC network in an office.

I hope this helps. Please post back for additional questions.

See you soon!

Tags: NI Software

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