Glossary
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
136 Operating Instructions, 09/2016, A5E35873416-AA
The functional ground is a low-impedance current path between electric circuits and ground.
It is not intended as a protective measure but rather, for example, for improvement of
interference immunity.
Chassis ground refers to all interconnected inactive parts of equipment that are unable to
carry hazardous voltage even in the event of a fault.
The Generic Station Description file contains all properties of a PROFINET or PROFIBUS
device that are necessary for its configuration.
See "Interrupt, hardware"
see Electronic modules
Information that is saved in modules, and that supports the user in reviewing the system
configuration and locating hardware changes.
The "I-device" functionality (intelligent IO device) of a CPU allows data to be exchanged with
an IO controller and subsequent use of the CPU, for example, as an intelligent
preprocessing unit of subprocesses. In its role as an IO device, the I-device is connected to
a "higher-level" IO controller.
The user program in the CPU with I-device functionality ensures the preprocessing. The
process values acquired centrally or decentrally (PROFINET IO or PROFIBUS DP) are
preprocessed by the user program and made available to the CPU of a higher-level station
via a PROFINET IO device interface.
Industrial Ethernet is a technical setup that allows data to be transferred in an industrial
environment in an interference-proof manner.
Due to the openness of PROFINET, you can use standard Ethernet components. However,
we recommend setting up PROFINET as Industrial Ethernet.
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