Function Description Additional information
MRPD (Media Redundancy
with Planned Duplication)
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.
The devices receive this data at both ring ports so that
there is no ring reconfiguration time.
Shared device The "Shared device" function allows you to divide the
modules or submodules of an IO device up among differ
ent IO controllers. Numerous IO controllers are often
used in larger or widely distributed systems. Without the
"Shared device" function, each I/O module of an IO
device is assigned to the same IO controller. If sensors
that are physically close to each other must provide data
to different IO controllers, several IO devices are
required. The "Shared device" function allows the mod
ules or submodules of an IO device to be divided up
among different IO controllers, thus allowing flexible
automation concepts. You can, for example, combine I/O
modules that are physically close to each other in one IO
device.
PROFIenergy PROFIenergy is a PROFINET-based data interface for
switching off consumers centrally and with full coordina
tion during pause times regardless of the manufacturer
or device type. The goal is that the process is only
provided with the energy that is absolutely required.
Most of the energy is saved by the process. The
PROFINET device itself only contributes a few watts to
the savings potential.
PROFINET
(https://support.industry.siemens.
com/cs/ww/en/view/49948856) func
tion manual
Integrated technology
Motion Control S7-1500 CPUs support the controlled positioning and
traveling of axes via S7-1500 Motion Control functions
by means of the following technology objects:
Speed-controlled axes, positioning axes, synchronized
axes, external encoders, cams, cam tracks and measuring
inputs
• Speed-controlled axis for controlling a drive with
speed specification
• Positioning axis for positioning of a drive with closed-
loop position control
• Synchronous axis to interconnect with a master
value. The axis is synchronized to the master axis pos
ition
• External encoder for detecting the actual position of
an encoder and its use as a master value for syn
chronous operation
• Cams, cam track for position-dependent generation
of switching signals
• Measuring input for fast, accurate and event-depend
ent sensing of actual positions
S7-1500T Motion Control function
manuals
(https://support.industry.siemens.
com/cs/ww/en/view/109751049)
23
Product overview
3.4 Firmware functions
CPU 1515-2 PN (6ES7515-2AN03-0AB0)
Equipment Manual, 11/2022, A5E46416198-AC
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