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.
Measuring window
The measuring window is the interval in which the I/O module updates the measured values
cyclically.
Module fault
Module faults can be external faults (e.g. missing load 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.
Operating mode
Parameters for selected digital inputs (only available with submodule COUNTER)
Selection of mode:
● Counter
● Frequency measurement
Parameter assignment
Parameter assignment is the transfer of parameters from the IO controller to the IO device.
PELV
Protective Extra Low Voltage
Performance Level
Performance Level (PL) to ISO 13849-1:2006 or EN ISO 13849-1:2008
POF
POF -
Polymer Optical Fibers
-> Fiber-optic cables
Potential group
Group of I/O modules that are jointly supplied with voltage.
Glossary
SIMATIC CFU
210 Commissioning Manual, 08/2019, A5E39252870-AD
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