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Old January 14th, 2020, 04:21 PM   #1

offroadunleashed is offline
Join Date: May 2017
Location: Regina
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S400 to L73 Ethernet Communication


I have two different PLC's. One being a 400 series siemens controller and the other is a L73 controller from RA. I am trying to communicate between the two using purely ethernet without any extra hardware. Is anyone able to aid me with this?

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Old January 14th, 2020, 04:48 PM   #2
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ASF is offline
Join Date: Jun 2012
Location: Australia
Posts: 3,125
It's possible - Siemens have an application example here including documentation and code examples.

It will not be terribly straightforward though. If you really must do it with no additional hardware, then this is how it's done, but using a purpose-designed hardware solution will always end up cheaper. That is, unless the value of your labour is not figured into the calculation.
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