Step7 v5

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This đoạn Clip shows how lớn install correctly Simatic Manager Step 7 v5.5 Software

SIMATICis a series ofprogrammable ngắn gọn xúc tích controllerand automation systems, developed bySiemens. Introduced in 1958, the series has gone through four major generations, the lakiểm tra being theSimatic S7generation. The series is intended for industrial automation & production.

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The nameSimaticis a registered trademark of Siemens. It is aportmanteauof “Siemens” & “Automatic”.

Function


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As with otherprogrammable súc tích controllers, Simatic devices are intended khổng lồ separate the control of a machine from the machine"s direct operation, in a more lightweight & versatile manner than controls hard-wired for a specific machine. Early Simatic devices were transistor-based, intended khổng lồ replace relays attached & customized khổng lồ a specific machine. Microprocessors were introduced in 1973, allowing programs similar to those on general-purpose digital computers lớn be stored & used for machine control.Simatic devices have input đầu vào và output modules to lớn connect with controlled machines. The programs on the Simatic devices respond inreal timelớn inputs fromsensorson the controlled machines, & send output signals toactuatorson the machines that directing their subsequent operation.

Depending on the device và its connection modules, signals may be a simple binary value ("high" or "low") or more complex. For example, a binary input đầu vào going from a thermometer on a machine khổng lồ a Simatic device might have sầu the following meanings:

“High” signal: Temperature exceeded an operating limit“Low” signal: Temperature is within expected limits

Based on this input đầu vào, & other factors, the program on the Simatic device might skết thúc a binary output signal to the same machine with the following meanings:

“High” signal: Run the motor“Low” signal: Stop the motor

More complex inputs, outputs, và calculations were also supported as the Simatic line developed. For example, the Simatic 505 could handle floating point quantities và trigonometric functions.

Product lines

Siemens has developed four product lines to lớn date:

1958: Simatic Version G1973: Simatic S31979: Simatic S51995: Simatic S7

Simatic S5

The S5 line was sold in 90U, 95U, 101U, 100U, 105, 110, 115,115U, 135U, và 155U chassis styles. The higher the number (except for the 101U), the more sophisticated and more expensive the system was. Within each chassis style, severalCPUswere available, with varying speed, memory, và capabilities. Some systems provided redundant CPU operation for ultra-high-reliability control, as used inpharmaceuticalmanufacturing, for example.

Each chassis consisted of apower supply, & a backplane with slots for the addition of various option boards. Available options included serial & Ethernet communications, digital input and output cards,analog signal processingboards, counter cards, & other specialized interface và function modules.

Simatic S7

The first entries in the S7 line were the S7-200, S7-300 & S7-400 series. These models were later succeeded by the S7-1200 & S7-1500 series.

Software

Programs running on Simatic devices run in software environments created by Siemens. The environment varies by sản phẩm line:

The Simatic S5 sản phẩm line is programmed in STEPhường 5.The Simatic S7 product line is programmed in STEP 7 (also known as TIA Portal)

Step 5

The S5 hàng hóa line was usually programmed with a PC based software programming tool calledSTEPhường 5. STEP 5 was used for programming, testing, and commissioning, và for documentation of programs for S5 PLCs.

The original STEP.. 5 versions ran on theCP/M operating system. Later versions ran onMS-DOS, & then versions of Windows throughWindows XPhường. The final version of STEP 5 was version 7.2 (upgradable lớn version 7.23 Hotfix 1 with patches).

In addition to STEPhường 5, Siemens offered a proprietaryState logicprogramming package called Graph5. Graph5 is a sequentialprogramming languageintended for use on machines that normally run through a series of discrete steps. It simulates aState machineon the S5 platsize.

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Several third-party programming environments were released for the S5. Most closely emulated STEP 5, some adding macros and other minor enhancements, others functioning drastically differently from STEP.. 5. One allowed STEPhường. 5 programs khổng lồ be cross-compiled to lớn and from theCprogramming language andBASIC.

Structured programming

STEPhường 5 allowed the creation of structured or unstructured programming, from simple AND/OR operations up to lớn complex subroutines. A STEP 5 program may, therefore, contain thousands of statements.

To maintain maximum transparency, STEPhường. 5 offers a number of structuring facilities:

Block technique - A linear operation sequence is divided into sections and packed inkhổng lồ individual blocks.Segments - Within blocks, fine structuring is possible by programming subtasks in individual segments.Comments - Both a complete program as well as individual blocks or segments và individual statements can be directly provided with comments.

Methods of representation

STEP 5 programs can be represented in three different ways:

Statement List (STL) - The program consists of a sequence of mnemonic codes of the commands executed one after another by the PLC.Ladder Diagram(LAD) - Graphical representation of the automation task with symbols of thecircuit diagramFunction Blochồng Diagram(FBD) - Graphical representation of the automation task with symbols to DIN 40700/ DIN 40719.

Absolute or symbolic designations can be used for operands with all three methods of representation.

In LAD and FBD complex functions and function block calls can be entered viafunction keys. They are displayed on the screen as graphical symbols.

There are several program editors, from either genuine Siemens, or from other suppliers. After Siemens discontinued support, other suppliers started lớn develop new STEPhường 5 version which can run on Windows XP, or Windows 7.

Blocks

Five sầu types of blocks are available:

Organization blocks (OB) - for managing the control programProgramming blocks (PB) - contain the control program structured according to lớn functional or process-oriented characteristicsSequence blocks (SB) - for programming sequential controlsFunction blocks (FB) - contain frequently occurring and particularly complex program partsData blocks (DB) - for storing data required for processing the control program.

Some S5 PLCs also have sầu blochồng types FX (Extended Function Blocks), và DX(Extended Data Blocks); these are not distinct bloông chồng types, but rather are another set of available blocks due to the CPU having more memory & addressing space.

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Operations

STEPhường 5 differentiates between three types of operations:

Basic operations, (e.g. linking, saving, loading và transferring, counting, comparing, arithmetic operations, module operations) - These can be performed in all three representations.Supplementary operations & complex functions, (e.g. substitution statements, testing functions, word-by-word ngắn gọn xúc tích operations, decrement/increment & jump functions.) - These can only be executed in STL.System operations (direct access theoperating system) - These can only be executed in STL.