By Hans Berger
This e-book offers a complete description of the configuration of units and community for the S7-400 elements contained in the engineering framework TIA Portal. You the right way to formulate and attempt a keep an eye on software with the programming languages LAD, FBD, STL, and SCL. The ebook is rounded off through configuring the allotted I/O with PROFIBUS DP and PROFINET IO utilizing SIMATIC S7-400 and information trade through business Ethernet.
SIMATIC is the globally demonstrated automation procedure for imposing commercial controllers for machines, construction crops and tactics. SIMATIC S7-400 is the main strong automation approach inside of SIMATIC. This approach controller is perfect for data-intensive projects which are in particular general for the method undefined. With extraordinary conversation potential and built-in interfaces it's optimized for higher initiatives akin to the coordination of whole systems.
Open-loop and closed-loop regulate projects are formulated with the STEP 7 expert V11 engineering software program within the field-proven programming languages Ladder Diagram (LAD), functionality Block Diagram (FBD), assertion checklist (STL), and dependent regulate Language (SCL). The TIA Portal person interface is tuned to intuitive operation and encompasses all of the standards of automation inside of its variety of services: from configuring the controller, via programming within the assorted languages, the entire method to this system test.
clients of STEP 7 expert V12 will simply get besides the descriptions in line with the V11. With commence of V12, the displays of the know-how services could range somewhat from the V11.
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Extra info for Automating with SIMATIC S7-400 inside TIA Portal: Configuring, Programming and Testing with STEP 7 Professional
The data exchange between the modules takes place via the backplane bus. It comprises a parallel I/O bus (I/O bus for transferring user data) and a serial C bus (communication bus for transferring data records). 5 m: 2 × 1 ER per connection in the CR, for “basic” signal modules IM 461-1 CR = Central rack ER = Expansion rack IM = Interface module (connection) in CR: IM 460-1 Connection in the close-up range up to 5 m: 2 × 4 ERs per connection in the CR, for all I/O modules IM 461-0 IM 461-0 IM 461-0 IM 461-0 in CR: IM 460-0 Connection in the far range up to 102 m: 2 × 4 ERs per connection in the CR, for all I/O modules IM 461-3 IM 461-3 IM 461-3 IM 461-3 in CR: IM 460-3 Fig.
A memory reset can be carried out for the CPU using a special input sequence, or it can be reset to the delivered state. Fig. 5 Hz if the CPU requests a memory reset, flashes at 2 Hz when the CPU is carrying out a memory reset If all LEDs flash, a CPU-internal system fault is present. 3 SIMATIC memory card The memory card (MC) is available as RAM memory card and as FLASH memory card in various memory sizes. The memory size of the memory card should be at least as large as the work memory in the CPU and additionally sufficient for the non-execution-relevant parts of the user program.
0. A PLC tag is applicable throughout the CPU, it is a “global” tag. The PLC tags folder can be configured using self-created subfolders. A subset of the PLC tags is listed in a tag table. The Show all tags editor lists all PLC tags used from all tag tables. The PLC data types folder contains user-defined data types. A PLC data type combines various data types in the form of a named data structure. A PLC data type can be assigned to a local tag in a block or serve as a template for the structure of a data block.