The Siemens 6GK1140-1NA00 CP 1401 is the interface module that ties a SIMATIC M7 computer into Industrial Ethernet — driver software included.

Siemens 6GK1140-1NA00 CP 1401, Current Production
MPN6GK1140-1NA00
Siemens, Communication Processor CP 1401, 6GK1140-1NA00, interface module for SIMATIC M7 to Industrial Ethernet, lifecycle stage: current.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Product details
Frequently asked questions
What is the described function of the 6GK1140-1NA00?
It is a Communication Processor CP 1401 interface module for connecting a SIMATIC M7 computer to Industrial Ethernet with driver software.
MPN
6GK1140-1NA00