segment
Member
Hi Guys,
I am aware that the S7-1200 series on their right side have an I/O expansion port. Like this:
https://w3.siemens.com/mcms/program...dules/PublishingImages/signal-modules-600.jpg
But what is the purpose of the left side I/O pin out? Like this (look at the left side of the PLC):
https://5.imimg.com/data5/YJ/PV/MY-5798394/cpu1211c-500x500.jpg
Is there any application for that as well? I could not find any documentation for that.
I am aware that the S7-1200 series on their right side have an I/O expansion port. Like this:
https://w3.siemens.com/mcms/program...dules/PublishingImages/signal-modules-600.jpg
But what is the purpose of the left side I/O pin out? Like this (look at the left side of the PLC):
https://5.imimg.com/data5/YJ/PV/MY-5798394/cpu1211c-500x500.jpg
Is there any application for that as well? I could not find any documentation for that.