Name of the part
SIMATIC
ET 200SP
CM PtP communication module
(6ES7137-6AA00-0BA0)
Previous work, similar parts
(Part Creation for Arduino OPTA PLC)
Top view
Datasheet
(https://support.industry.siemens.com/cs/attachments/59061378/et200sp_cm_freeport-3964_manual_en-EN_en-US.pdf)
Motivation
This is part of a project for school where I’m interfacing a PLC with a MCU via an MAX485 chip. Hope somebody can help since this is a crucial part.