Siemens PLC has added two new CPU extensions

  May. 26, 2023

Recently, the SIMATIC ET 200SP distributed I/O system has added two new CPU extensions - CPU 1514SP T-2 PN and CPU 1514TP TF-2 PN, which not only have extended motion control functions, but also use SIMATIC S7- The innovative firmware version V3.0 of the 1500 controller is the basis. Two CPUs are currently announced and available for delivery.


The CPU 1514SP T-2 PN and CPU 1514TP TF-2PN are suitable for applications with medium requirements on program scope and processing speed. Demanding motion control-focused applications such as cross-industry automation tasks in tandem machines, special machines and plant engineering can be solved. In addition, these CPUs are suitable for use in distributed configurations via PROFINET IO.


Equipped with 2 integrated interfaces:


Three PROFINET interfaces:

- X1 with 2-port switch (requires suitable bus adapter)

        - PROFINET IO RT and IRT

- X2 with 1 port

       ——PROFINET IO RT


Highlights of CPU 1514SP T/TF-2 PN:

Integrated motion control functions for controlling speed control, positioning and synchronizing axes (gears and cams, speed gears), supporting external encoders, output cams/cam tracks and measurement inputs

Technology objects for controlling the kinematics of up to 4 interpolated axes, such as Cartesian inlets, triangular pickers, roller pickers, articulated arms, cylindrical robots, tripod pickers and SCARA

Cross-PLC synchronous operation for synchronizing multiple SIMATIC S7-1500T controllers

Motion control performance (about 11 positioning axes at 4ms servo clock, 35% system utilization with motion control)

Safety Integration

Innovative design and handling

Integrated System Diagnostics


Highlights of the fail-safe CPU 1514SP TF-2 PN:

Distributed configuration via PROFINET IO and PROFIsafe

Library of all common safety functions certified by the German Technical Inspectorate (TÜV)

Validation is supported through standards-compliant program documentation

Easy reusability through library concept

Can be used for safety-related tasks according to IEC 61508 to SIL 3 and ISO 13849-1 to PL e


Number of Motion Control resources occupied by the technology object:

speed axis=40

Positioning axis=80

Synchronous axis=160

extencoder=80

cam=20

cam track = 160

probe=40



Number of motion control resources occupied by the cam disc object:

Cam disc (1000 points and 50 segments) = 2


Cam disc (10000 points and 50 segments) = 20

moving object=30

Leading Axis Proxy=3


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