Industrial Communication Guide

5. Glossary

CAN Controller Area Network

Actuator Motoric and energetic component e.g. motor or heater with a varia- ble as input.

CC-Link Control and Communication Link

Characteristic impedance The characteristic impedance, synonymous with wave impedance, is a property of a cable which is important in terms of the transport of information and is dependent on the latter’s speed.

Analog signal Has any signal level within a voltage range

ARPANET Advanced Research Projects Agency Network. Developed for the US Air Force at the end of the 1960s. The precursor of what is now the internet.

CIP Common Industrial Protocol

CNC Computerized Numerical Control

AS-I Actuator-Sensor Interface

Communication network Connects automation components among each other for the pur- pose of exchanging information

Automation pyramid Logical structuring of a manufacturing company in terms of net- working and information flow Bus termination Bus terminations are required at the ends of the line in the case of some fieldbuses. These can be either passive or active bus termi- nations

Control computer Computer which controls a process

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