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The creation of ladder diagrams/function block diagrams is characterized by the user-friendliness familiar from PCs, such as drag and drop, cut and paste.

The user can create programs that comply with DIN EN 6.1131-3.The user-friendly, pixel-graphics LAD and FBD editors support the programmer with:.

The following well-proven programming languages are available:

Display of the performance data (number of possible inputs/outputs, flags, counters, timers and blocks).

Capabilities and usage of MPI communication.

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Display of the reserved and free memory.

Display of cycle duration (longest, shortest and last cycle).

Causes of malfunction during user program execution.

For CPUs, additional information is displayed.

Display of alarms from the diagnostics buffer Display of module faults (e.g., channel faults) of the central I/O and DP slaves Display of general module information (e.g., order number, version, designation) and

Pixel-graphics display within the Hardware Config display, offering the following options:.

Display of text messages, which can be output directly and quickly.

The display can be in two different forms: System diagnostics offer the user an overview of the status of the automation system. Selection of the communication function blocks (CFBs) from the integrated block library. Parameterization of the selected communication blocks in the customary programming Entering of data source and data destination in a table.Generation of all system dataīlocks (SDBs) to be loaded and their complete transmission to all CPUs take place

Time-driven cyclic data transmission via MPI:.

Configuring and display of communication links.

The system prevents faulty inputs by offering only allowed entry options on the parameter assignment screen forms. For this parameterization hardware-module-specific screen forms and rules are provided for each FM and CP (is included in the FM/CP functions package). This parameterization also occurs within the hardware configuration in the same way as the parameterization of the other modules.

Function module (FM) and communications processor (CP) parameter assignment:.

Thus, a change of a module can be made without another parameterization. Parameterization of hardware modules occurs automatically during the CPU's acceleration. Adjustments via DIP switches become unnecessary. The user can specify all the adjustable parameters of the modules in input screen forms. The entered data are filed in system data blocks in the CPU. Properties such as restart characteristics and cycle-time monitoring can be set menu-driven.

The configuration of the distributed I/Os is done in the same way as the configuration of the non-distributed I/Os channel-granular I/O modules are also supported.

Configuration of the automation system Racks are selected from an electronic catalog and the selected modules are assigned to the required slots in the racks.

The tool Hardware Configuration is used for configuring and parameterizing the hardware used for an automation project. Changes to a symbol parameter are therefore automatically recognized by all tools.

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The symbol charts that are generated when this tool is used are available to all software products.

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Data exchange with other Windows programs.

Definition of symbolic designations and comments for the process signals (inputs/outputs), flags and blocks.

With the tool Symbol Editor all global variables (in contrast to the local formal parameters that are declared when the blocks are programmed) are managed. The SIMATIC software tools that are necessary for processing the selected data are automatically started by SIMATIC Manager. It provides a common entry point for all SIMATIC S7, C7 or WinAC tools. The SIMATIC Manager manages all data belonging to an automation project, regardless of the target system (SIMATIC S7, SIMATIC C7 or SIMATIC WinAC) on which they are implemented.

Configuring and parameterizing the hardware.

STEP 7 contains convenient functions for all phases of an automation project: It enables the user to use the performance capability of these systems easily and conveniently. STEP 7 basic software is the standard tool for the SIMATIC S7, SIMATIC C7 and SIMATIC WinAC automation systems.

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Besides a considerable price saving in relation to the purchase of the individual components you can take advantage of reduced installation efforts and the possibility to subscribe to a consolidated Software Update Service.

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STEP 7 Professional comprises the following software packages: The comprehensive engineering solution for SIMATIC Controllers

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