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CtrlX Core modular with R911411588 CP-EXT-XC-ET1-21-01-N-NN

CtrlX Core modular with R911411588 CP-EXT-XC-ET1-21-01-N-NN

WL_rexroth
Member

Maybe is a silly question but when using a ctrlX Core  (CP-COREX-M) with multiethernet expansion module R911411588 CP-EXT-XC-ET1-21-01-N-NN, all IO modules are attached to this one and every unit is conected (mechanically assembled) via some kind of internal bus building a complete no wired block. In this option no bus coupler (R911406090 XB-EC-12) is needed to connetct IO modules. So my question is, communication between IO modules and ctrlX Core in described case is via this internal bus, I mean, multiethernet expansion module CP-EXT-XC-ET1-21-01-N-NN is not performing the function of XB-EC-12 in the no modular option, is it right?. If I am correct the, multiethernet expansion module R911411588 CP-EXT-XC-ET1-21-01-N-NN is just used a an additional ethernet port to connect to any other external system but not needed to making attached IO modules to work.

Thank you very much in advance.

2 REPLIES 2

CodeShepherd
Community Moderator
Community Moderator

The Extension modules in general are not needed for running the ctrlX IOs directly attached. See e.g. R914507393 COREX-M-X3-11-BNNN-21.01-01RS-NN-NN, where no extension module is added. See example in the ctrlX Configurator.

Sophie
Community Moderator
Community Moderator

Hello, the multiethernet expansion module R911411588 CP-EXT-XC-ET1-21-01-N-NN is a Profinet device hardware extension. On the 2 ports of the extension, you can run a Profinet device if you install the App "Profinet device". And then you can connect the CORE as a sybsystem under a Siemens controller.
On a ctrlX COREplus X3: COREX-M-X3*... the IOs can be plugged directly on the right side of the controller, no buscoupler is needed additionally.

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