233
Gateway transfer time
The time that is needed for the input data in
the DP-RAM of the AS-i master to be copied
into the output data of the netX, and vice
versa. The distance from DP-RAM to DP-RAM
is decisive.
GSD
G
eneric
S
tation
D
escription
Describes the interface to the device to be
connected to the fieldbus.
You can find the current version of the GSD
file on the
ifm
homepage:
→
> [Download] > [Bus system AS-Interface]
e.g. for AC1375:
GSD file for SmartLink AC1375
download the file
ifm
...
07E5.gsd
(... =
version)
GSDML
GSDML =
G
eneric
S
tation
D
escription
M
arkup
L
anguage
Description language which can describe the
characteristics of a device family across
several levels. In this XML scheme, as much
as possible of the semantics of the
GSD was
adopted.
H
HMI
HMI =
H
uman
M
achine
I
nterface
Host
The controller in the hierarchy above the AS-i
master, e.g. a PLC or a processor.
I
I&M
I&M =
I
dentification
&
M
aintenance
Profibus Profile Guidelines Part 1:
Identification & Maintenance Functions
ID
ID =
Id
entifier
Name to differentiate the devices / participants
connected to a system or the message
packets transmitted between the participants.
Instructions
Superordinate word for one of the following
terms:
installation instructions, data sheet, user
information, operating instructions, device
manual, installation information, online help,
system manual, programming manual, etc.
Intended use
Use of a product in accordance with the
information provided in the instructions for use.
IO-Link
Point-to-point connection between 2 devices.
The following transmission is possible:
- binary signals or
- greater data fields for parameter setting.
More informations
IP =
I
nternet
P
rotocol
The IP address is a number which is
necessary to clearly identify an internet
participant. For the sake of clarity the number
is written in 4 decimal values, e.g.
127.215.205.156.
J
Jitter
Jitter means a slight fluctuation in accuracy in
the transmission cycle when transmitting digital
signals. More generally, jitter in transmission
technology means an abrupt and undesired
change of the signal characteristics.