Siemens SIMATIC ET 200SP Manual do equipamento - Página 16

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Siemens SIMATIC ET 200SP Manual do equipamento
Product overview
3.3 Firmware functions
Function
OPC UA
Configuration control
PROFINET IO
RT (real time)
IRT (isochronous real time) A reserved bandwidth within the send clock is available
Isochronous mode
MRP (Media Redundancy
Protocol)
MRPD (Media Redundancy
with Planned Duplication)
16
Description
With OPC UA, you can exchange data via an open and
manufacturer-neutral communication protocol.
The CPU can act as OPC UA server. The CPU acting as the
OPC UA server can communicate with OPC UA clients.
In turn, as an OPC UA client, the CPU can access an OPC
UA server, allow the OPC UA server to run methods and
read out information from the OPC UA server.
Through OPC UA Companion Specification, methods can
be specified in a uniform and vendor-neutral way. Using
these specified methods, you can easily integrate devices
from various manufacturers into your plants and produc­
tion processes.
You can use configuration control to operate different
real hardware configurations with a configured maxim­
um configuration of the hardware. This means especially
in series machine manufacturing you have the option of
operating/configuring different configuration variants of
a machine with a single project.
RT prioritizes PROFINET IO telegrams over standard tele­
grams. This ensures the required determinism in the
automation technology. In this process the data is trans­
ferred via prioritized Ethernet telegrams.
for IRT data. The reserved bandwidth ensures that the IRT
data can be transmitted in time-synchronized intervals,
unaffected by other high network loading (e.g. TCP/IP
communication or additional real time communication).
Update times with maximum determinism can be real­
ized through IRT. Isochronous applications are possible
with IRT.
The Isochronous mode system property acquires meas­
ured values and process data and processes the signals in
a fixed system clock. Isochronous mode thus contributes
to high control quality and hence to greater manufactur­
ing precision. Isochronous mode reduces possible fluctu­
ations of the process reaction times to a minimum. Time-
assured processing makes higher machine cycles pos­
sible.
It is possible to establish redundant networks via the
Media Redundancy Protocol. Redundant transmission
links (ring topology) ensure that an alternative commu­
nication path is made available if a transmission link fails.
The PROFINET devices that are part of this redundant net­
work form an MRP domain.
RT operation is possible with the use of MRP.
The advantage of the MRP extension MRPD is that, in the
event of a failure of a device or a line in the ring, all other
devices continue to be supplied with IO data without
interruption and with short update times.
MRPD is based on IRT and MRP. To realize media redund­
ancy with short update times, the PROFINET devices par­
ticipating in the ring send their data in both directions.
Additional information
Communication function manual
(https://support.industry.siemens.
com/cs/ww/en/view/59192925)
ET 200SP System Manual
(https://support.industry.siemens.
com/cs/ww/en/view/58649293)
PROFINET function manual
(https://support.automation.siemens.
com/WW/view/en/49948856)
CPU 1512SP-1 PN (6ES7512-1DM03-0AB0)
Equipment Manual, 11/2022, A5E33591411-AE