Sales / Repairs: 1-800-988-2381 Tech. Support: 1-503-452-1410 Fax: 1-503-244-7301   Calculators   DIS Weather Recommended: Website Login: Web VisitorService UseInternal Use Password:

General FAQ on Instrumentation

Fequently Asked Questions

 

Question: What is a PLC?

Answer: The PLC, or Programmable Logic Controller, is a computer with a single mission.  Most commonly used in industrial applications, it usually lacks a monitor, keyboard, and a mouse, as it is normally programmed to operate a machine or system using but one program.  The machine or system user rarely, if ever, interacts directly with the PLC's program.  When it is necessary to either edit or create the PLC program, a personal computer is usually (but not always) connected to it.

The PLC has a remarkable capacity for real-world I/O connectivity.  Most PLC models feature a vast assortment of interchangeable I/O modules which allow for convenient interfacing with virtually any kind of industrial or laboratory equipment.

Most PLCs are programmed in a special language called Ladder Logic.  Ladder Logic is essentially a Boolean logic-solving program with a graphical user interface designed to look like an elementary wiring diagram, familiar to all industrial electricians.

Disclaimer Discount Instrumentation Services (Hereafter known as DIS) repairs, sells new, rebuilt and surplus products and develops channels to purchase such products. DIS does not represent with nor an authorized distributor or claim any affiliation of any manufacturer, brand or product listed. All items sold by DIS are covered under DIS' warranty and not the manufacturer warranty. We fully acknowledge all trademarks and/or names which are pictured and/or listed throughout the DIS website. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.

Visitor Counter:	E-mail Us	Material Copyright Discount Instrumentation Services		Page Updated: 12/13/2022 1:21:01 PM
Web Page Location: