Datalogic AMT58*-PN Series Instruction Manual page 13

IRT Synchronized transmission procedure for the cyclic exchange of IRT data
between PROFINET devices. A reserved bandwidth within the send clock
is available for the IRT IO data. The reserved bandwidth ensures that the
IRT data can be transmitted at reserved, synchronized intervals whilst
remaining uninfluenced even by other greater network loads (e.g. TCP/IP
communication or additional real time communication). The "high
flexibility" enables simple planning and expansion of the system. A
topological configuration is not required. Refer to page 77.
MAC address The MAC address is an identifier unique wordlwide consisting of two
parts: the first 3 bytes are the manufacturer ID and are provided by IEE
standard autority; the last three bytes represent a consecutive number of
the manufacturer. Refer to page 8.
Module Modules are user defined components that plug into slots. Modules can
be real or virtual.
NRT Non Real Time - The non Real Time PROFINET IO Channel.
Configuration and diagnostic messages are transferred over the NRT
Channel.
Organization A range of organization blocks (OB) are designed to execute the user
block program. OBs are the interface interface between the user program and
the operating system of a CPU. They permit event-controlled processing
of special program components within the user program.The order in
which the user program is executed is defined in the organization blocks.
Profile Profiles define application-specific functionality to ensure the openness of
PROFIBUS and PROFINET is utilized consistently. PI Profiles can cover
simple devices such as encoders by defining how signals are used and
how they are physically connected. However, profiles are increasingly
covered more complex systems or requirements. Profiles such as
PROFIdrive and PROFIsafe deliver active functionality as well. An
advanced profile covering active power management for end devices like
lasers and robots is now under development with the aim of bringing
significant reductions in energy consumption for the automotive industry.
Profiles guarantee quicker system design and they support faster device
interchange, promoting competition amongst vendors, increased choice
for users and full interoperability.
Provider The Status an IO device provides to an IO Controller with the data
Status transferred to the Controller.
Proxy A device which maps non PROFINET IO data to PROFInet.
Real-time Real-time means that a system processes external events within a
defined time. If the reaction of a system is predictable, one speaks of a
deterministic system. The general requirements for real-time are
therefore: deterministic response and defined response time. Refer to
page 77.
RT Real Time - The Real Time PROFINET IO Channel. I/O and Alarm Data
are transferred over the RT Channel. Refer to page 77.
Slot A group of one or more Subslots. Slots can be real or virtual.
Standard The encoder profile defines a series of standard signals which are used to
signal configure the IO data. Refer to page 46.