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he compact CPU therefore occupies a single shared slot (slot 1).
The properties of the CPU part, the analog on-board I/O and the digital on-board I/O can be
found in the subsections belowThe following accessories are included in the scope of delivery and can also be ordered
separately as spare parts:
● 2 x front connector (push-in terminals) including cable ties
● 2 x shield clamp
● 2 x shield terminal
● 2 x infeed element (push-in terminals)
● 2 x labeling str
● 2 x universal front cover
For more information on accessories, refer to the , ET 200MP system manual The CPU 1511C-1 PN has the following technical properties:
● Communication:
– Interfaces
The CPU 1511C-1 PN has a PROFINET interface (X1) with two ports (P1 R and
P2 R). It supports not only PROFINET basic functionality but also PROFINET IO RT
(real time) and IRT (isochronous real time), which means you can configure
PROFINET IO communication or real time settings on the interface. Port 1 and port 2
can also be used as ring ports for configuring redundant ring structures in Ethernet
(media redundancy).
PROFINET basic functionality supports HMI communication, communication with the
configuration system, communication with a higher-level network (backbone, router,
Internet) and communication with another machine or automation cell.
You can find more information on "PROFINET IO" in the online help of STEP 7
(TIA Portal) and the PROFINET Function Manual With OPC UA, data is exchanged via an open and vendor-neutral communication
protocol. The CPU, as OPC UA server, can communicate with OPC UA clients such
as HMI panels, SCADA systems, etc.● Integrated Web server:
A Web server is integrated in the CPU. The Web server enables monitoring and
administering of the CPU by authorized users over a network. Evaluations, diagnostics,
and modifications are thus possible over long distances. All you need is a Web browser.
With the Web server, you can read out the following data from the CPU and, in some
cases, modify and write back the data to the CPU.
– Start page with general CPU information
– Identification information
– Contents of the diagnostics buffer

Querying module information
– Firmware update
– Alarms (without acknowledgment option)
– Information about communication
– PROFINET topology
– Tag status, writing tags
– Watch tables
– Memory usage
– User pages
– Data logs (if used)
– Online backup and restoration of the configuration
– Diagnostics information for the Motion Control technology objects
– Display of trace recordings stored on the SIMATIC memory card
– Readout service data
– Basic websites
– Display of the Web server in 3 project languages, for example, comments and
message texts
– Reces
– User pages● Supported technology:
– Counting, measuring, position detection and pulse generators
The technology functions high-speed counting, measuring, position detection and
pulse generators (PWM/frequency output/PTO) are integrated in the compact CPU.
For more information on integrated technology functions, refer to the section
Technology functions.
– Motion Control
Through technology objects, the Motion Control functionality supports speedcontrolled
axes, positioning axes, synchronous axes and external encoders, cams,