Description: PLC is a good learning books (PLC Programming Guide PDF file), each chapter are Mitsubishi, Omron, Siemens PLC describe three. I think the book does not focus on a particular model which stresses the use of PLC, and PLC program focused on the design method, more useful for beginners (I think)
File list (Check if you may need any files):
PLC编程实用指南.pdf