PLC Automation Control Panel Manufacturer
What is a PLC?
A Programmable Logic Controller (PLC) is a solid-state control system that continuously monitors the status of devices connected as inputs. Based upon a user-written program, stored in memory, it controls the status of devices connected as outputs.
Need for PLC
Hardwired panels were very time consuming to time, debug and change.
- Solid-state not mechanical.
- Modify input and output devices easily.
- Easily programmed and maintained by plant electricians.
- Able to function in an industrial environment.
PLC Operating Cycle
Four steps in the PLC Operations
- Input Scan
- Program Scan
- Output scan
- Housekeeping
Highlights of PLC
- Low cost
- Easy Design
- Well Documented
- Well supported by Industry
- Faster Implementation