Terms that are on use on this site.
There are 493 entries in this glossary.P
| Term | Definition |
|---|---|
| Partnering |
The establishment of a long term relationship between two parties characterized by teamwork and mutual trust, allowing both parties to focus on the needs of a mutual customer or client/constituent. Partners share risks as well as benefits. Partnering arrangements can be with labor, management, employees, suppliers, government and educational institutions. |
| PC |
a Personal Computer. |
| PCS |
Process control system |
| pH Junctions |
The Junction of a reference electrode or combination electrode is a permeable membrane through which the fill solution escapes (called the liquid junction). |
| PID |
Proportional, integral, derivative. A three mode control action where the controller has time proportioning, integral (auto reset) and derivative rate action. |
| PLC |
Stands for "Programmable Logic Controller", a microprocessor-based system used for controlling industrial machinery. These typically accept plug-in Input/Output modules for making connection to sensors and actuators. Most PLCs are programmed using a visual programming technique called "Relay Ladder Logic", developed in the 1960s. |
| PNS |
Plant numbering system |
| Portability |
The ability to use and migrate software across different platforms. |
| Potentiometer |
|
| Power Supply |
A separate unit or part of a circuit that supplies power to the rest of the circuit or to a system. |
| Primary Axis |
The axis along which the transducer is designed to be loaded; normally its geometric centerline. |
| Problem |
An opportunity for improvement or undesirable condition, often manifested by symptoms, created by root causes which must be systematically identified and eliminated to control the problem. |
| Procedures |
Step-by-step tasks which are necessary to meet standards; a method or manner of proceeding. How to meet standards. |
| Process |
A systematic and defined method of doing something. A process generally involves a number of steps or operations. |
| Process control |
Automatic monitoring and control of a process by an instrument or system configured or programmed to respond appropriately to process feedback. |
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