Technical data

218 • Glossary

WAGO-I/O-SYSTEM 750

ETHERNET TCP/IP

SCADA

Abbreviation for Supervisory Control and Data Acquisition. SCADA

software is a program for the control and visualization of processes.

Segment

Typically, a network is divided up into different physical network segments

by way of routers or repeaters.

Server

Device providing services within a client/server system. The service is

requested by the Client.

Service

An operation targeted at an object (read, write).

SMTP

Short form for „Simple Mail Transfer Protocol“. Standard protocol, with

which E-mails are sent away in the internet.

SNMP

Short form for „Simple Network Management Protocol“. SNMP serves

remote maintenance of servers. Thus leave themselves e.g. rout directly from

the office of the network carrier out to configure, without someone must

drive for this to the customer.

SOAP

Short form for “Simple Object Access Protocol“. XML is a standard for

Meta data, the access on the XML objects takes place via SOAP.The

standard defines, how transactions via internet and XML can be done and

how dynamic Web services over distributed networks can be used.

Socket

Is a software interface introduced with BSD-UNIX for inter-process

communication. Sockets are also possible in the network via TCP/IP. As

from Windows 3.11, they are also available in Microsoft operating systems.