Automating Manufacturing Systems With PLCs - Hugh Jack   

Programmable Logic Controllers, 4th Edition, 2006  -- W. Bolton   

Programmable Logic Controllers, 5th Edition - W. Bolton

Practical_SCADA_for_Industry - David Bailey, Edwin Wright

STEP 7 in 7 Steps - A Practical Guide to Implementing S7-300/S7-400 Programmable Logic Controllers  - Clarence T. Jones

  Mitsubishi FX Programmable Logic Controllers, Second Edition Applications and Programming - John Ridley

Automatismos Eléctricos Programables  

Automating with SIMATIC: Controllers, Software, Programming, Data Communication Operator Control and Process Monitoring - Hans Berger

Introduction to PLC Programming and Implementation - from Relay to PLC Logic

Programmable Controllers Theory and Implementation, 2nd Edition - L. A. Bryan E. A. Bryan

Sistemas SCADA 2Ed - Aquilino Rodriguez Penin

Programmable Controller, an engineer's guide, 3Ed -  E.A.Parr

Industrial Control Technology, a handbook for engineer and researchers - Peng Zhang

Practical Modern SCADA Protocols: DNP3, 60870.5 and Related Systems - Gordon Clarke 

Programmable Logic Controllers:Programming Methods and Applications - John R. Hackworth Frederick D. Hackworth   

Informatics in Control, Automation and Robotics I - Braz J.  

Automatización, Problemas Resueltos - Pedro Romera, Antonio Lorite, Sebastian Montoro  

Handbook of Industrial Automation - Richard L. Shell and Ernest L. Hall