Programable Electronic Controller (PLC)
The following technical information is From Automation Direct.com
Considerations for Choosing a PLC
A Condensed Guide to Automation
Control System Specification, Design and Installation - T. Elavsky - Automation
Direct
Part
1: System Identification and Safety
Part
2: Control Device Specification
Part
3: Design
Connecting
3-wire sinking and sourcing devices to PLC input modules
Motion
Control System Choices
9.09
Relays
Show Staying Power: As Their Control Capabilities Increase, Relays Encroach on
PLCs - Jim McConahay contributes to this article outlining
advantages of relays and programmable relays over PLCs. Relays have many
electrical and safety advantages over PLCs, and programmable relays can outshine
PLCs in real-time control and monitoring. From Moore
Industries-Pacific, Inc. and Control Design.
Automating Manufacturing Systems with PLCs- This is a sensational 846 page book full of information on PLCs, logic design, Sensors etc -from Grand Valley State University and written by Hugh Jack- A 5.4Mbit download but worth the wait!
PLCs- Terminology,Tools, Tables and Calculators- From Controlsweekly.com
PLC Glossary of Terms -A complete glossary of the most often used terms in PLC systems- from www.industrialtext.com
PLC Primer - A very useful 16 page document from www.industrialtext.com with all the basics about PLCs
PLC Basics - A fantastic 39 page tutorial and associated exam from Eaton Electrical
PLC Resource - Lots of great technical papers and tools here- From PLC OpenYour Personal PLC Tutor Site - From PLCs.net
PLC Basics- From the PLC Man
Basics
of PLCs- A tutorial from Siemens