Date:29.09.2014 File:GRAPH_01e.1 SIMATIC S7 Siemens AG 2000. All rights reserved. SITRAIN Training for Automation and Drives Introduction.

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Date: File:GRAPH_01e.1 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Introduction

Date: File:GRAPH_01e.2 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Course Contents / Course Aims

Date: File:GRAPH_01e.3 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives S7-GRAPH Design Programming Start-up Documentation Archiving HMI S7-GRAPH: Tool for Graphics Support for Sequencers IEC Compliant

Date: File:GRAPH_01e.4 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Diagram of a fill level controller Correction Inlet valve M Pump 1 Outlet valve M Pump 2 Overflow Full Empty PROCESS CONTROL Hardware User program l Query input signals l Generate limit values l Control pumps etc. l Messages: Fill level... Inputs Outputs Example of fill level controller Principle of a Logic Control System Program

Date: File:GRAPH_01e.5 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Example of an assembly line Proximity switchesLight barriers Motor LEDs Acknowledge switches Principle of a Sequential Control System Program

Date: File:GRAPH_01e.6 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Process Step-by-step execution of the process NoYes Control program: Programmed as logic control system (with STEP 7) Examples: - Fill level controller - Lift controller Control program: Programmed as logic control system (with S7-GRAPH) Examples: - Assembly line - Car wash - Traffic light control - Production processes - Machine processes - Process engineering Decision Support for Sequential Control System (Sequencer)

Date: File:GRAPH_01e.7 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives What applications are sequential control systems suitable for? Sequential processes: Tasks controlled by signals or timers Time-critical processes that are susceptible to faults Methodical procedure improves transparency Program is easier to understand Maintenance, servicing, diagnostics Advantage: Fast error removal Application examples Car wash Assembly line Assembly conveyor Machine tools Transfer line Presses Process engineering Packaging technology Process control and monitoring Differentiation from Other Tools

Date: File:GRAPH_01e.8 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives * * * Step : Graphic representation with directed links " * * * " = Step name * * * Initial step: Graphic representation with directed links " * * * " = Initial step name * * * "a""b""c" "d" "a": Identifier character (operation e.g. S ) "b": Action name (e.g. MOTOR 1) "c": Boolean "display" variable "d": Action in: ( e.g. declaration + STL code) Actions are controlled according to specific rules that are described in detail in the IEC standard. In general, they are: 1. Action block for activation 2. Enable / interlock of individual actions 3. Step switching Action block with actions Structural Elements of a Sequencer: Steps Basic elements of a sequencer to comply with IEC

Date: File:GRAPH_01e.9 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives * * * %IX2.4%IX2.3 Extract from IEC : Transitions A transition represents the condition whereby control passes from one or more steps preceding the transition to one or more successor steps along the corresponding directed link. The transition shall be represented by a horizontal line across the vertical directed link. The direction of evolution following the directed links shall be from the bottom of the predecessor step(s) to the top of the successor step(s). Each transition shall have an associated transition condition which is the result of the evaluation of a single Boolean expression. Angaben %IX2.4 und %IX2.5 stehen für entsprechende absolute oder symbolische Operanden Verbindung mit der Kettenstruktur : Ein Netzwerk in der Sprache KOP Additional graphical elements, such as branches (alternative, simultaneous), jumps and loops are described in subsequent chapters of this manual. X Structural Elements of a Sequencer: Transition Basic elements of a sequencer to comply with IEC

Date: File:GRAPH_01e.10 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Basis: SIMATIC Manager with STEP 7 in LAD, FBD, STL Manual Tool LAD, FBD incl. ex. S7-GRAPH Software Package (Multilingual)

Date: File:GRAPH_01e.11 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Simple, user-friendly description of sequential processes Programming sequencers to DIN EN (corresponds to IEC ) Can be used for S7-300 (CPU314 and higher) and S7-400 Simple configuration (full graphics, windows technology, zoom functionality) Processing speed independent of the sequencer length Easy interfacing with process visualization and diagnostics --> "ProAgent for OP" (OP25...OP37) --> "ProAgent for WinCC" (OP47, FI25 or PCs/PGs) --> "ProDiag" (Transline 2000) Process synchronization can be activated in S7-GRAPH Characteristics of S7-GRAPH

Date: File:GRAPH_01e.12 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives ????? Exercise: S7-GRAPH Example of a Drill (1)

Date: File:GRAPH_01e.13 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Exercise: S7-GRAPH Example of a Drill (2)

Date: File:GRAPH_01e.14 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Exercise: S7-GRAPH Example of a Drill (3)

Date: File:GRAPH_01e.15 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Exercise: S7-GRAPH Example of a Drill (4)

Date: File:GRAPH_01e.16 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Exercise: S7-GRAPH Example of a Drill (5)

Date: File:GRAPH_01e.17 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Components of a Training Station with S7-300

Date: File:GRAPH_01e.18 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives Components of a Training Station with S7-400

Date: File:GRAPH_01e.19 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives V AI1 AI2 AO1 AO2 AI2 AI1 -15V...+15V AI1 AI2 AO1 AO2 V DIDO Layout of Simulator

Date: File:GRAPH_01e.20 SIMATIC S7 Siemens AG All rights reserved. SITRAIN Training for Automation and Drives INI 1 to INI 3 (Proximity switch) M 1 (Motor) H 1, H 2, H 3 (LED) S 1, S 2, S 3, S 4 (Acknowledge switch) LS1 Light barrier Layout of the Assembly Line