Introduction to Siemens S7-1200 PLC Hardware
1 PLC Hardware The Siemens S7-1200 PLC CPU can add up to three communication modules on the left side, such as the CM1241 (RS485), and up to eight digital/analog input/output modules on the right side. During the hardware configuration of the PLC, the TIA Portal software will automatically recognize and prompt the user. The variety … Read more