Overview
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SIMATIC TDC (Technology and Drives Control) is a digital automation system featuring very high computing power and the ability to process very large programs. An extensive library with approx. 300 ready-made function blocks is available for fast engineering.
Benefits
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- SIMATIC TDC provides the highest degree of competence when it comes to motion control and closed-loop control technology.
- SIMATIC TDC especially distinguishes itself as an effective, synchronizable multi-processing system.
Application
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SIMATIC TDC is used, in particular, in plant engineering, the metallurgy and rolling mill technology industries as well as in the energy distribution sector.
Design
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The system is of a modular design and can, depending on the particular application, be equipped with the necessary computational/arithmetic performance as well as digital, analog, incremental and absolute value encoder connections or communication interfaces.
All of the modules in the SIMATIC TDC subracks are connected through a high-performance 64-bit backplane bus. This allows data to be exchanged between all of the modules, almost in the processor clock cycle.
Function
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Free graphic configuring
SIMATIC TDC is configured with the Windows-based graphical SIMATIC tools STEP 7, CFC and optionally SFC. The software package D7-SYS supplements the CFC engineering tool with the function blocks for SIMATIC TDC as well as the high-performance operating system.
GlobalDataMemory
For complex automation tasks, it may be necessary exchange data between CPUs in several racks. For this purpose, a GlobalDataMemory (GDM) can be used as a central memory for coupling a maximum of 44 racks.
Via this memory, data can be exchanged across racks between all CPUs in the system. This means that more than 800 CPUs can be used in a system.
GDM consists of a rack in which only GDM modules can be inserted. It can thus be operated in a special, particularly fast mode.
Service and commissioning
Service and commissioning are performed directly from the graphic configuration interface STEP 7 and CFC.
Programs of other processor modules
CFCs for the SIMADYN D modules PM5, PM6, for the FM 458-1 DP application module, or for the technology module T400 can be transferred very easily to the CPUs of the automation system SIMATIC TDC.
Integration
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Drives and distributed I/O are linked to SIMATIC TDC using PROFIBUS DP interface modules with master and / or slave function.
Multiple SIMATIC stations, as well as external systems and host computers, can be networked using a TCP/IP interface modules for up to 100 Mbit/s. Visualization components such as WinCC can also be linked via this interface module.
All the visualization components of SIMATIC HMI, such as WinCC or OP/TD panels are also linked via the MPI (multi point interface).