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7 Glossary
C
CANopen: CAN-based fieldbus protocol standardised as a European standard.
CODESYS pbF: CODESYS provided by Festo allows the configuration, commissioning and
programming of different Festo components and devices. It is called "CODESYS pbF" for short in
this online Help/manual.
Codesys target system ID: See target system ID.
D
DHCP: Dynamic Host Configuration Protocol; dynamic protocol for automatic assignment of IP
addresses.
E
EasyIP: UDP-based protocol on port 995 for high-speed exchange of operands between controllers.
EDS file: Electronic data sheet; this file describes the functions and features of a CANopen device in
standardised form (e.g. number of I/Os, number of diagnostic bytes, etc.).
Ethernet: Physical protocol and network for connecting various devices.
F
FB: Function block; in this document, "function block" is used as a general term for function module,
function and program.
FFT: Festo Field Device Tool
Fieldbus node: Provides the connection to specific field buses. Transmits control signals to the
connected modules and monitors their ability to function.
I
I/Os: Digital inputs and outputs.
IO-Link: IO-Link is a point-to-point connection for sensors and actuators. It can be used to
automatically parameterise IO-Link devices (e.g. sensors), diagnose system states and transfer
measured values.
IODD: File for configuring IO-Link devices.
L
Login/logout: Codesys with project is logged in/out.
M
Modbus TCP: Communication standard via TCP/IP (port 502) in automation technology.
N
Node ID: Serves to clearly identify a bus slave on the CANopen fieldbus.
O
OLE: Object Linking and Embedding.
OPC: OLE for Process Control; standardised software interface that provides access to process data.
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