WAGO 750-830 Manual page 341

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I
ICMP (Internet Control Message Protocol)
ICMP is a protocol for transmission of status information and error messages
of the IP, TCP and UDP protocols between IP network nodes. ICMP offers,
among other things, the possibility of an echo (ping) request to determine
whether a destination is available and is responding.
IEC 61131-3
International standard for modern systems with PLC functionality created in
1993. Based on a structured software model, it defines a series of powerful
programming languages to be utilized for different automation tasks.
AWL (statement list - STL), ST (structured text), AS (process structure),
FUP (function plan), KOP (contact plan).
IEEE
Institute of Electrical and Electronic Engineers.
IEEE 802.3
IEEE 802.3 is an IEEE standard. ETHERNET only supports the yellow ca-
ble as a medium (Thicknet ETHERNET coaxial cable). IEEE 802.3 also
supports S-UTP and Broadband coaxial cable. The segment lengths range
from 500 m for yellow cable, 100 m for TP and 1800 m for Broadband coax-
ial cable. A star or bus topology is possible. ETHERNET (IEEE 802.3) uses
CSMA/CD as a channel access method.
Intel Format
Set configuration for the coupler/controller for setting up the process image.
In the coupler/controller memory, the module data is aligned in different
ways, depending on the set configuration (Intel/Motorola-Format, word
alignment, etc.). The format determines whether or not high and low bytes
are changed over — they are not changed with the Intel format.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
Glossary • 341