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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
  1. A variable resistor often used to control a circuit. 2. A balancing bridge used to measure voltage.
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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Glossary 2.64 is technology by Guru PHP

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