Energizer 2103 Manual do Utilizador descarregar pdf (Página 45)

2103 Modem Module

Section 5 Modbus Protocol

5-5

SCADA systems can be relatively simple, such as one that mon-

itors the environmental conditions of a small office building, or

very complex, such as a system that monitors all the activity in a

nuclear power plant or a municipal water system.

5.5 Common Acronyms ASCII – American Standard Code for Information Interchange

DCS – Distributed Control Systems

MTU – Master Terminal Unit

OPC – Object Linking and Embedding (OLE) for Process Control

PLC – Programmable Logic Controller

RTU – Remote Terminal Unit

SCADA – Supervisory Control And Data Acquisition

TCP/IP – Transmission Control Protocol/Internet Protocol

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Energizer 2103 Manual do Utilizador Página 45