SHOP NOW
About Us
Technical Support
Online Catalog
Community Forum
Videos
Menu
Products
Programmable Control
Operator Interface
Communications
Variable Speed Drives
Motor Controls
Motors
Motion Control
Mechanical Power Transmission
Discrete Sensing
Process Sensing & Control
Control & Signaling Devices
Relays & Timers
Pneumatics
Safety
Electrical Power
Circuit Protection
Enclosures & Accessories
Terminal Blocks & Wiring
Hand Tools &Test Equipment
Application
Data Collection
Data System Monitoring
Machine Control
Machine Tool
Manufacturing
Material Handling
Process Control
Test and Measurement
Industry
Agriculture
Education/DIY
Energy/Utilities
Entertainment
Facilities
Food and Beverage
Manufacturing
Packaging
Security
Water/Wastewater
Resources
eBooks
White Papers
+Tech Topics
Automation Notebook
AutomationDirect Newsletter
Application Stories
Press Releases
Product Pointers
AutomationDirect Videos
Company Topics
Content Collections
Community Forum
Student Spotlight
AutomationDirect Supplier Profiles
System Integrators
Industry Resources
Visual Parts Explorer
First-Lego-League-Regional-Qualifier-2
July 12, 2013
Share
Additional Resources
PLC Handbook
Download PLC Handbook
Sinking and Sourcing Concepts
When choosing the type of input or output module for your PLC system, it is very important to...
History of the PLC
Before the PLC, there existed a unique set of problems in need of a solution. Read some history...
What is a PLC?
Find out why the PLC, used for the automation of industrial electromechanical processes, is so...
Understanding Discrete & Analog I/O
Learn the difference in discrete vs analog I/O for PLCs. This article will discuss the pros and...
Pneumatic Circuit Symbols Explained
Directional air control valves are the building blocks of pneumatic control. Here is a breakdown...
