This Book is aimed at Students , Electricians , Technicians and Engineers learning PLCs. It is designed to be a practical workbook. The book covers the problem with conventional electrical drawing or process diagram from which an Input / Output table is created. There after it is required the student draws in the connections to the PLC. The final step is to write the program in ladder logic. The student can now compare his answers to the solution given. The book is an ideal self study tool.