Function block
In execution a function block returns one or more values, which can be sto-
red as local variables (memorized).
G
Gateway
Gateways link a
channel
in a
domain
with another channel in a different
domain.
H
Hardware
Electronic, electric and mechanical component of a device.
I
IEC 61131-3
International Standard from 1993 for modern systems with PLC functional-
ity.
Based on a structured software model, it defines a series of high perform-
ance programming languages that can be used for the most varied automa-
tion tasks.
(Also refer to
EN 61131-3)
IF
See
TOPLON
®
IF.
Intel Format
Fieldbus coupler/controller configuration settings for the organization of the
process image. The I/O data of an I/O module are differently mapped in the
coupler/controller memory, depending on the configuration settings (In-
tel/Motorola format,
word-alignment
,...). The format determines, if High-
and Low-Byte are changed. With Intel format they are not changed.