Glossary Terms
Terms that are used on the Manufacturing Automation website
OCR
Optical Character Recognition is the machine recognition of characters by light-sensing methods.
OEM
an Original Equipment Manufacturer provides final systems made from assemblies and subassemblies from other manufacturers.
Offset
The difference in temperature between the set point and the actual process temperature. Also, referred to as droop.
OI
operator interface; the hardware and software that shows an operator the state of a process
OLE
Object linking and embedding
On/off Controller
A controller whose action is fully on or fully off.
OOP
Object Oriented Programming
OPC
OLE for process control
OPC DA
OPC data access
OPC DX
OPC data exchange
Open Circuit
The lack of electrical contact in any part of the measuring circuit. An
open circuit is usually characterized by rapid large jumps in displayed
potential, followed by an off-scale reading.
Open systems
an approach to computing that allows the interconnectability of systems based on compliance with established standards.
Operating system
a structured set of system programs that controls the activities of a
computer system by managing memory, tasks and communications.
Operator interface
a physical link between the human operator and a computer system, typically consisting of a graphical representation.
Optimization
A process of orchestrating the efforts of all components toward achievement of the stated aim so everyone gains.
Output
The electrical signal measured at the output terminals which is produced by an applied input to a transducer.
Outputs
Things and information which are the end result of an activity (product, reports, services, information, etc.)
Overshoot
A system response where the output or result exceeds the desired value.
