We will also require a ControlLogix CPU for our robot bartender project. It doesn't really matter which one you use as this will be a very small project that will not push the limits of any ControlLogix CPU. The best ControlLogix CPU you can acquire for the least amount of money is what you should be aiming for.
The following is a list of suitable ControlLogix CPUs that can be easily found on eBay (from least expensive to most expensive):
- 1756-L55/A
- 1756-L61 ControlLogix 5561
- 1756-L62 ControlLogix 5562
- 1756-L63 ControlLogix 5563
- 1756-L71 ControlLogix 5571
- 1756-L72 ControlLogix 5571
- 1756-L73 ControlLogix 5571
I will be using the least-expensive ControlLogix cards for the robot bartender—the 1756-L55/A:
We now have a power supply, a rack, and a CPU for our robot bartender project. However, we want to...
