|
PLC- Programmable Logic Controller (513 words) |
 | These are typically interpreted as integer values by the PLC, with various ranges of accuracy depending on the device and the number of bits available to store the data. |
| PLCs programs are generally written in a special application on a personal computer then downloaded over a custom cable to the PLC. |
| Modern PLCs can be programmed in a variety of ways, from ladder logic to more traditional programming languages such as BASIC and C. Another method is State Logic, a Very High Level Programming Language designed to program PLCs based on State Transition Diagrams. |
|
Programmable logic controller - Wikipedia, the free encyclopedia (1753 words) |
| The input/output arrangements may be built into a simple PLC, or the PLC may have external I/O modules attached to a proprietary computer network that plugs into the PLC. |
| PLCs were invented as less-expensive replacements for older automated systems that would use hundreds or thousands of relays and cam timers. |
| The load cell is connected to one of the PLC's analog inputs and the rate valve is connected to one of the PLC's analog outputs. |
Feeds |
Contact