Siemens SIMATIC ET 200SP HA System Manual page 137

GSD file
As a Generic Station Description, this file contains all properties of a PROFINET device that are
necessary for its configuration in XML format.
I/O modules
All modules that can be operated with a CPU or an interface module.
Identification data
Information that is saved in modules and that supports the user in checking the plant
configuration and locating hardware changes.
Interface module
Module in the distributed I/O system. The interface module connects the distributed I/O system
via a fieldbus with the CPU (IO controller) and prepares the data for or from the I/O modules.
Line
All the modules attached to a rail.
Local equipotential bonding system
Ground potential at installation location of the device
MAC address
Device identification unique worldwide, which is already assigned to each PROFINET device in
the factory. Its 6 bytes are divided into 3 bytes for the manufacturer ID and 3 bytes for the device
ID (serial number). The MAC address is usually legible on the device.
Module fault
Module faults can be external faults (e.g. no supply voltage) or internal faults (e.g. processor
failure). Internal faults always require module replacement.
Node
Device that can send, receive or amplify data via the bus, e.g. IO device via PROFINET IO.
NTP
The Network Time Protocol (NTP) is a standard for synchronizing clocks in automation systems
via Industrial Ethernet. NTP uses the UDP wireless network protocol.
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA
Glossary
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