PCS7 System

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Description

PCS7 is a process control system with many automatic functions to assist you during setup. It allows you to create a project faster and more appropriately. At the same time, PCS7 provides advanced users with many options for creating custom solutions.

Virtual Machine

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What is a PCS 7 project?

• Hardware Configuration

• Blocks

• CFC charts and SFC charts

These objects are always included, regardless of the number of operating stations, modules and network.

What is included in PCS 7?

You create the project in an engineering station (ES). Several applications are contained in the ES. All applications feature a graphical user interface (GUI) to simplify operation and clearly display configured data.

• Simatic Manager is the central application and gateway for all the other applications you will use to create your entire project.

• HW Config contains the configuration of all system hardware, such as CPUs, power supplies, communication boards.

• CFC and SFC editors to create CFC charts and sequential control systems (SFCs).

• PCS 7 OS is the tool to configure the OS (operating station).

What is Simatic Manager?

Simatic Manager represents the central application within the PCS 7 system and is used to access all the other applications you need to configure your PCS 7 project.

Simatic Manager and all other applications are interconnected. All blocks that you insert into the CFC chart in the CFC Editor can be viewed in Simatic Manager. Another great advantage of this interconnection is when configuring the operating station. You can view a process tag from a CFC chart quickly and easily when configuring the OS.

What is the basic structure of Simatic Manager?

Simatic Manager has a structure similar to Windows Explorer:

• on the left side of the window, you will see the tree structure that shows different objects depending on the selected View.

• on the right side of the window you will see details of the objects you selected in the tree structure.

What do Views do in Simatic Manager?

Simatic Manager provides three different Views. An Important feature of these Views is that each object they display is only one in reality, but can be shown and edited in multiple Views. Each View has advantages when performing certain tasks:

• Component View – this View represents the physical location in the memory of each object, for example, charts and blocks. In Component View, you can immediately see which blocks and CFCs belong to each AS (Automation System - default name given to each 400 CPU in the system).

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• Plant View – this View shows the exact hierarchical structure of your plant. You can divide the plant into units and see which charts and pictures belong to each unit.

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• Process Object View – this View shows details of Plant View objects. It is particularly appropriate when you want to associate a same parameter value to a large number of objects or if you want to add a same comment or make the same interconnections for those objects.

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All operations you perform on Simatic Manager are automatically saved by PCS 7.

How to open Simatic Manager?

You can open Simatic Manager in two ways:

1 – Double-click the STEP 7 icon on your desktop.

2 – In the Start menu on SIEMENS SIMATIC products, select the SIMATIC Manager menu command.

When you start Simatic Manager, the project that you are had previously opened will be automatically loaded.

General

In common

Projects and libraries have some things in common. They are:

• an organized set of data;

• stored in a private folder that includes files and sub-folders;

• maintained by Simatic Manager and its related tools.

Differences

Differences between projects and libraries:

• projects contains the data of at least one (specific programmable application/configurable equipment);

• libraries contain predefined functions to be used in projects.

Station

In a Simatic PCS 7 project a station can be:

• PC (Simatic PC Station) for engineering (ES) or operation (OS - Operator System);

• An Automation System (AS - SIMATIC 400 Station).

Different types of libraries

Libraries are used to save components reusable. The program component can be copied to the existing project library or created directly in a library regardless of projects.

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Libraries are structured in a hierarchy similar to projects:

• libraries can contain S7 programs;

• an S7 program can contain exactly one "Blocks" folder, a "Charts" folder and a "Symbols" object (symbol table);

• the "Blocks" folder contains the blocks that are unloaded for the S7 CPU;

• the "Source Files" folder contains the source files of the programs created in different programming languages;

• the "Charts" folder contains the CFC charts.

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Initial configuration of SIMATIC Manager

Menu Options - Customize...

General

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• Project storage location/multiprojects (and libraries). The default is C:\Program Files (x86)\SIEMENS\STEP7\s7proj.

Language

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• Selection of the language used in the project.

Archiving

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• Select the preferred compaction program and the location of backup/restore directories

Wizards

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• Enable wizards related to PCS 7

Date and Time of Day

• Choose format for day and time

View

• Simatic Manager viewing options

Message numbers

• Association of the number of messages to the CPU or project

Multiproject

In PCS 7 we must use the multiproject structure. It allows you to link various projects and libraries.

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Master Data Library

In a PCS 7 multiproject, a library must be defined with Master Data Library. It will contain the specific patterns of the multiproject and will support the Import/Export of process tags (IEA).

Distributed Engineering

Multiproject facilitates distributed development, with several programmers working together. Each multiproject project can be directed to a different computer.

Automation Licence Manager

Manages the licenses installed on the station.

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Before installing PCS 7 on your computer or in a virtual machine, it is recommended that the computer name be changed to ES.

Enable Messaging Queuing Service in Windows 7. Prerequisite for installing PCS 7 (WinCC).

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With PCS 7 properly installed (licenses), start developing a application.

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System ID

The purpose of the "System ID" is to provide transparency and to enable most efficient technical support.

"System ID" is a unique key to identify a specific PCS 7 System based on end-customer, location, plant, and production unit. It does not change over the lifetime of the PCS 7 System. It is linked to all offers, orders, service contracts and so on.

Type of process

There are two process types:

• Continuous process

Process sequence in plants in which "the same product" is produced "unchanged" (e.g. water desalination plants). Such processes can be automated by PCS 7 using sequential control system (SFC). The automation can be implemented for small plant units as well as for the entire plant.

• Discontinuous (batch) process

Process sequence in plants in which "different products" are produced (e.g. various recipes for producing tablets or mixing paints). Such processes can be automated by PCS 7 using SIMATIC BATCH. With the recipe-based control strategies in SIMATIC BATCH, the process sequences of a PCS 7 plant can be flexibly adapted to changing products, material properties, plant conditions, product stages, etc.

Components of a PCS 7 system

PCS 7 offers a range of options for implementing automation tasks. The large selection and variety of components facilitates the following:

• Employment of suitable components for special requirements

• Selection of components that can be configured exactly to meet specific requirements

The following tables lists optimally matched systems, components and functions for specific process control requirements.