Resources
Here are some very helpful sites for researching and working with PLCs.
- PLC Talk - A great forum for getting help and discussing PLCs.
- PLC Tutor - If you are in the process of learning about PLCs this is a great resource.
- Interview with Dick Morley (pdf), the father of the PLC, while at Modicon.
- PLC Overview at Wikipedia - Great primer for those who want a bird's eye view of PLC's.
- Ladder Logic at Wikipedia - This is the most popular language for the PLC.