Automating with STEP 7 in STL and SCL : programmable controllers SIMATIC S7-300/400 / by Hans Berger Berger, Hans, 1949-

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Author
Berger, Hans, 1949-
Subjects
Programmable controllers.; SIMATIC S7 (Computer system); STEP 7 (Computer program language)
Contents
  • Machine generated contents note: 1.SIMATIC S7-300/400 Programmable Controller
  • 1.1.Structure of the Programmable Controller
  • 1.1.1.Components
  • 1.1.2.S7-300 Station
  • 1.1.3.S7-400 Station
  • 1.1.4.Fault-Tolerant SIMATIC
  • 1.1.5.Safety-related SIMATIC
  • 1.1.6.CPU Memory Areas
  • 1.2.Distributed I/O
  • 1.2.1.Profibus Dp
  • 1.2.2.Profinet Io
  • 1.2.3.Actuator/Sensor Interface
  • 1.2.4.Routers
  • 1.3.Communications
  • 1.3.1.Introduction
  • 1.3.2.Subnets
  • 1.3.3.Communications Services
  • 1.3.4.Connections
  • 1.4.Module Addresses
  • 1.4.1.Signal Path
  • 1.4.2.Slot Address
  • 1.4.3.Logical Address
  • 1.4.4.Module Start Address
  • 1.4.5.Diagnostics Address
  • 1.4.6.Addresses for Bus Nodes
  • 1.5.Address Areas
  • 1.5.1.User Data Area
  • 1.5.2.Process Image
  • 1.5.3.Consistent User Data
  • 1.5.4.Bit Memories
  • 2.Step 7 Programming Software
  • 2.1.Step 7 Basic Package
  • 2.1.1.Installation
  • 2.1.2.Automation License Manager
  • 2.1.3.SIMATIC Manager
  • Contents note continued: 2.1.4.Projects and Libraries
  • 2.1.5.Multiprojects
  • 2.1.6.Online Help
  • 2.2.Editing Projects
  • 2.2.1.Creating Projects
  • 2.2.2.Managing, Rearranging and Archiving
  • 2.2.3.Project Versions
  • 2.2.4.Creating and Editing Multiprojects
  • 2.3.Configuring Stations
  • 2.3.1.Arranging Modules
  • 2.3.2.Addressing Modules
  • 2.3.3.Parameterizing Modules
  • 2.3.4.Networking Modules with MPI
  • 2.3.5.Monitoring and Modifying Modules
  • 2.4.Configuring the Network
  • 2.4.1.Configuring the Network View
  • 2.4.2.Configuring Distributed I/O with the Network Configuration
  • 2.4.3.Configuring Connections
  • 2.4.4.Network Transitions
  • 2.4.5.Loading the Connection Data
  • 2.4.6.Adjusting Projects in the Multiproject
  • 2.5.Creating the S7 Program
  • 2.5.1.Introduction
  • 2.5.2.Symbol Table
  • 2.5.3.STL-Program Editor
  • 2.5.4.SCL Program Editor
  • 2.5.5.Rewiring
  • 2.5.6.Address Priority
  • 2.5.7.Reference Data
  • 2.5.8.Language Settings
  • 2.6.Online Mode
  • Contents note continued: 2.6.1.Connecting a PLC
  • 2.6.2.Protection of the user program
  • 2.6.3.CPU Information
  • 2.6.4.Loading the User Program into the CPU
  • 2.6.5.Block Handling
  • 2.7.Testing the Program
  • 2.7.1.Diagnosing the Hardware
  • 2.7.2.Determining the Cause of a STOP
  • 2.7.3.Monitoring and Modifying Variables
  • 2.7.4.Forcing Variables
  • 2.7.5.Enabling Peripheral Outputs
  • 2.7.6.Test and process mode
  • 2.7.7.STL Program Status
  • 2.7.8.Monitoring and Controlling Data Addresses
  • 2.7.9.Debugging SCL Programs
  • 3.Simatic S7 Program
  • 3.1.Program Processing
  • 3.1.1.Program Processing Methods
  • 3.1.2.Priority Classes
  • 3.1.3.Specifications for Program Processing
  • 3.2.Blocks
  • 3.2.1.Block Types
  • 3.2.2.Block Structure
  • 3.2.3.Block Properties
  • 3.2.4.Block Interface
  • 3.3.Addressing Variables
  • 3.3.1.Absolute Addressing of Variables
  • 3.3.2.Indirect Addressing
  • 3.3.3.Symbolic Addressing of Variables
  • 3.4.Programming Code Blocks with STL
  • Contents note continued: 3.4.1.Structure of an STL Statement
  • 3.4.2.Programming STL Code Blocks Incrementally
  • 3.4.3.Overview Window
  • 3.4.4.Programming Networks
  • 3.4.5.Source-oriented programming of an STL code block
  • 3.5.Programming Code Blocks with SCL
  • 3.5.1.Structure of an SCL Statement
  • 3.5.2.Programming SCL Code Blocks
  • 3.6.Programming Data Blocks
  • 3.6.1.Programming Data Blocks Incrementally
  • 3.6.2.Source-Oriented Data Block Programming
  • 3.7.Variables and Constants
  • 3.7.1.General Remarks Concerning Variables
  • 3.7.2.General Remarks Regarding Data Types
  • 3.7.3.Elementary Data Types
  • 3.7.4.Complex Data Types
  • 3.7.5.Parameter Types
  • Basic Functions
  • 4.Binary Logic Operations
  • 4.1.Processing a Binary Logic Operation
  • 4.2.Elementary Binary Logic Operations
  • 4.2.1.AND Function
  • 4.2.2.OR Function
  • 4.2.3.Exclusive OR Function
  • 4.3.Negating the Result of the Logic Operation
  • 4.4.Compound Binary Logic Operations
  • Contents note continued: 4.4.1.Processing Nesting Expressions
  • 4.4.2.Combining AND Functions According to OR
  • 4.4.3.Combining OR and Exclusive OR Functions According to AND
  • 4.4.4.Combining AND Functions According to Exclusive OR
  • 4.4.5.Combining OR Functions and Exclusive OR Functions
  • 4.4.6.Negating Nesting Expressions
  • 5.Memory Functions
  • 5.1.Assign
  • 5.2.Set and Reset
  • 5.3.RS Flipflop Function
  • 5.3.1.Memory Functions with Reset Priority
  • 5.3.2.Memory Function with Set Priority
  • 5.3.3.Memory Function in a Binary Logic Operation
  • 5.4.Edge Evaluation
  • 5.4.1.Positive Edge
  • 5.4.2.Negative Edge
  • 5.4.3.Testing a Pulse Memory Bit
  • 5.4.4.Edge Evaluation in a Binary Logic Operation
  • 5.4.5.Binary Sealer
  • 5.5.Example of a Conveyor Belt Control System
  • 6.Move Functions
  • 6.1.General Remarks on Loading and Transferring Data
  • 6.2.Load Functions
  • 6.2.1.General Representation of a Load Function
  • 6.2.2.Loading the Contents of Memory Locations
  • Contents note continued: 6.2.3.Loading Constants
  • 6.3.Transfer Functions
  • 6.3.1.General Representation of a Transfer Function
  • 6.3.2.Transferring to Various Memory Areas
  • 6.4.Accumulator Functions
  • 6.4.1.Direct Transfers Between Accumulators
  • 6.4.2.Exchange Bytes in Accumulator 1
  • 6.5.System Functions for Data Transfer
  • 6.5.1.Copying Memory Area
  • 6.5.2.Uninterruptible Copying of Variables
  • 6.5.3.Initializing a Memory Area
  • 6.5.4.Copying STRING Variables
  • 6.5.5.Reading from Load Memory
  • 6.5.6.Writing into the Load Memory
  • 7.Timer Functions
  • 7.1.Programming a Timer
  • 7.1.1.Starting a Timer
  • 7.1.2.Specifying the Time
  • 7.1.3.Resetting a Timer
  • 7.1.4.Enabling a Timer
  • 7.1.5.Checking a Timer
  • 7.1.6.Sequence of Timer Instructions
  • 7.1.7.Clock Generator Example
  • 7.2.Pulse Timers
  • 7.3.Extended Pulse Timers
  • 7.4.On-Delay Timers
  • 7.5.Retentive On-Delay Timers
  • 7.6.Off-Delay Timers
  • 7.7.IEC Timer Functions
  • Contents note continued: 7.7.1.Pulse Generation SFB 3 TP
  • 7.7.2.On Delay SFB 4 TON
  • 7.7.3.Off Delay SFB 5 TOF
  • 8.Counter Functions
  • 8.1.Setting and Resetting Counters
  • 8.2.Counting
  • 8.3.Checking a Counter
  • 8.4.Enabling a Counter
  • 8.5.Sequence of Counter Instructions
  • 8.6.IEC Counter Functions
  • 8.6.1.Up Counter SFB 0 CTU
  • 8.6.2.Down Counter SFB 1 CTD
  • 8.6.3.Up-Down Counter SFB 2 CTUD
  • 8.7.Parts Counter Example
  • Digital Functions
  • 9.Comparison Functions
  • 9.1.General Representation of a Comparison Function
  • 9.2.Description of the Comparison Functions
  • 9.3.Comparison Function in a Logic Operation
  • 10.Arithmetic Functions
  • 10.1.General Representation of an Arithmetic Function
  • 10.2.Calculating with Data Type INT
  • 10.3.Calculating with Data Type DINT
  • 10.4.Calculating with Data Type REAL
  • 10.5.Successive Arithmetic Functions
  • 10.6.Adding Constants to Accumulator 1
  • 10.7.Decrementing and Incrementing
  • 11.Math Functions
  • Contents note continued: 11.1.Processing a Math Function
  • 11.2.Trigonometric Functions
  • 11.3.Arc Functions
  • 11.4.Other Math Functions
  • 12.Conversion Functions
  • 12.1.Processing a Conversion Function
  • 12.2.Converting INT and DINT Numbers
  • 12.3.Converting BCD Numbers
  • 12.4.Converting REAL Numbers
  • 12.5.Other Conversion Functions
  • 13.Shift Functions
  • 13.1.Processing a Shift Function
  • 13.2.Shifting
  • 13.3.Rotating
  • 14.Word Logic
  • 14.1.Processing a Word Logic Operation
  • 14.2.Description of the Word Logic Operations
  • Program Flow Control
  • 15.Status Bits
  • 15.1.Description of the Status Bits
  • 15.2.Setting the Status Bits and the Binary Flags
  • 15.3.Evaluating the Status Bit
  • 15.4.Using the Binary Result
  • 16.Jump Functions
  • 16.1.Programming a Jump Function
  • 16.2.Unconditional Jump
  • 16.3.Jump Functions with RLO and BR
  • 16.4.Jump Functions with CC0 and CC1
  • 16.5.Jump Functions with OV and OS
  • 16.6.Jump Distributor
  • 16.7.Loop Jump
  • Contents note continued: 17.Master Control Relay
  • 17.1.MCR Dependency
  • 17.2.MCR Area
  • 17.3.MCR Zone
  • 17.4.Setting and Resetting I/O Bits
  • 18.Block Functions
  • 18.1.Block Functions for Code Blocks
  • 18.1.1.Block Calls: General
  • 18.1.2.CALL Call Statement
  • 18.1.3.UC and CC Call Statements
  • 18.1.4.Block End Functions
  • 18.1.5.Temporary Local Data
  • 18.1.6.Static Local Data
  • 18.2.Block Functions for Data Blocks
  • 18.2.1.Two Data Block Registers
  • 18.2.2.Accessing Data Addresses
  • 18.2.3.Open Data Block
  • 18.2.4.Exchanging the Data Block Registers
  • 18.2.5.Data Block Length and Number
  • 18.2.6.Special Points in Data Addressing
  • 18.3.System Functions for Data Blocks
  • 18.3.1.Creating a Data Block in the Work Memory
  • 18.3.2.Creating a Data Block in the Load Memory
  • 18.3.3.Deleting a Data Block
  • 18.3.4.Testing a Data Block
  • 18.4.Null Operations
  • 18.4.1.NOP Statements
  • 18.4.2.Program Display Statements
  • 19.Block Parameters
  • Contents note continued: 19.1.Block Parameters in General
  • 19.1.1.Defining the Block Parameters
  • 19.1.2.Processing the Block Parameters
  • 19.1.3.Declaration of the Block Parameters
  • 19.1.4.Declaration of the Function Value
  • 19.1.5.Initializing Block Parameters
  • 19.2.Formal Parameters
  • 19.3.Actual Parameters
  • 19.4."Passing On" Block Parameters
  • 19.5.Examples
  • 19.5.1.Conveyor Belt Example
  • 19.5.2.Parts Counter Example
  • 19.5.3.Feed Example
  • Program Processing
  • 20.Main Program
  • 20.1.Program Organization
  • 20.1.1.Program Structure
  • 20.1.2.Program Organization
  • 20.2.Scan Cycle Control
  • 20.2.1.Process Image Updating
  • 20.2.2.Scan Cycle Monitoring Time
  • 20.2.3.Minimum Scan Cycle Time, Background Scanning
  • 20.2.4.Response Time
  • 20.2.5.Start Information
  • 20.3.Program Functions
  • 20.3.1.Time
  • 20.3.2.Read System Clock
  • 20.3.3.Run-Time Meter
  • 20.3.4.Compressing CPU Memory
  • 20.3.5.Waiting and Stopping
  • 20.3.6.Multiprocessing Mode
  • Contents note continued: 20.3.7.Determining OB Program Execution Time
  • 20.3.8.Changing the Program Protection
  • 20.4.Communication via Distributed I/O
  • 20.4.1.Addressing PROFIBUS DP
  • 20.4.2.Configuring PROFIBUS DP
  • 20.4.3.Special Functions for PROFIBUS DP
  • 20.4.4.Addressing PROFINET IO
  • 20.4.5.Configuring PROFINET IO
  • 20.4.6.Special functions for PROFINET IO
  • 20.4.7.System Blocks for the Distributed I/O
  • 20.5.Global Data Communication
  • 20.5.1.Fundamentals
  • 20.5.2.Configuring GD Communication
  • 20.5.3.System Functions for GD Communication
  • 20.6.S7 Basic Communication
  • 20.6.1.Station-Internal S7 Basic Communication
  • 20.6.2.System Functions for Data Interchange within a Station
  • 20.6.3.Station-External S7 Basic Communication
  • 20.6.4.System Functions for Station-External S7 Basic Communication
  • 20.7.S7 Communication
  • 20.7.1.Fundamentals
  • 20.7.2.Two-Way Data Exchange
  • 20.7.3.One-Way Data Exchange
  • 20.7.4.Transferring Print Data
  • Contents note continued: 20.7.5.Control Functions
  • 20.7.6.Monitoring Functions
  • 20.8.IE Communication
  • 20.8.1.Fundamentals
  • 20.8.2.Establishment and Cancellation of Connections
  • 20.8.3.Data Transmission with TCP Native or ISO-on-TCP
  • 20.8.4.Data Transmission with UDP
  • 20.9.PtP Communication with S7-300C
  • 20.9.1.Fundamentals
  • 20.9.2.ASCII Driver and 3964(R) Procedure
  • 20.9.3.RK512 Computer Link
  • 20.10.Configuration in RUN
  • 20.10.1.Preparation of Modifications to Configuration
  • 20.10.2.Changing the Configuration
  • 20.10.3.Loading the Configuration
  • 20.10.4.CiR Synchronization Time
  • 20.10.5.Effects on Program Execution
  • 20.10.6.Controlling the CiR Procedure
  • 21.Interrupt Handling
  • 21.1.General Remarks
  • 21.2.Time-of-Day Interrupts
  • 21.2.1.Handling Time-of-Day Interrupts
  • 21.2.2.Configuring Time-of-Day Interrupts with STEP 7
  • 21.2.3.System Functions for Time-of-Day Interrupts
  • 21.3.Time-Delay Interrupts
  • Contents note continued: 21.3.1.Handling Time-Delay Interrupts
  • 21.3.2.Configuring Time-Delay Interrupts with STEP 7
  • 21.3.3.System Functions for Time-Delay Interrupts
  • 21.4.Watchdog Interrupts
  • 21.4.1.Handling Watchdog Interrupts
  • 21.4.2.Configuring Watchdog Interrupts with STEP 7
  • 21.5.Hardware Interrupts
  • 21.5.1.Generating a Hardware Interrupt
  • 21.5.2.Servicing Hardware Interrupts
  • 21.5.3.Configuring Hardware Interrupts with STEP 7
  • 21.6.DPV1 Interrupts
  • 21.7.Multiprocessor Interrupt
  • 21.8.Synchronous Cycle Interrupts
  • 21.8.1.Processing Synchronous Cycle Interrupts
  • 21.8.2.Isochronous Updating of Process Image
  • 21.8.3.Programming of Synchronous Cycle Interrupts with STEP 7
  • 21.9.Handling Interrupts
  • 21.9.1.Disabling and Enabling Interrupts
  • 21.9.2.Delaying and Enabling Delayed Interrupts
  • 21.9.3.Reading Additional Interrupt Information
  • 22.Restart Characteristics
  • 22.1.General Remarks
  • 22.1.1.Operating Modes
  • 22.1.2.HOLD Mode
  • Contents note continued: 22.1.3.Disabling the Output Modules
  • 22.1.4.Restart Organization Blocks
  • 22.2.Power-Up
  • 22.2.1.STOP Mode
  • 22.2.2.Memory Reset
  • 22.2.3.Restoration of Delivery State
  • 22.2.4.Retentivity
  • 22.2.5.Restart Parameterization
  • 22.3.Types of Restart
  • 22.3.1.START-UP Mode
  • 22.3.2.Cold Restart
  • 22.3.3.Warm Restart
  • 22.3.4.Hot Restart
  • 22.4.Ascertaining a Module Address
  • 22.5.Parameterizing Modules
  • 22.5.1.General Remarks on Parameterizing Modules
  • 22.5.2.System Blocks for Module Parameterization
  • 22.5.3.Blocks for Data Record Transfer
  • 23.Error Handling
  • 23.1.Synchronous Errors
  • 23.2.Synchronous Error Handling
  • 23.2.1.Error Filters
  • 23.2.2.Masking Synchronous Errors
  • 23.2.3.Unmasking Synchronous Errors
  • 23.2.4.Reading the Error tab
  • 23.2.5.Entering a Substitute Value
  • 23.3.Asynchronous Errors
  • 23.4.System Diagnostics
  • 23.4.1.Diagnostic Events and Diagnostic Buffer
  • Contents note continued: 23.4.2.Writing User Entries in the Diagnostic Buffer
  • 23.4.3.Evaluating Diagnostic Interrupts
  • 23.4.4.Reading the System Status List
  • 23.5.Web Server
  • 23.5.1.Activate Web Server
  • 23.5.2.Reading Web Information
  • 23.5.3.Web Information
  • Variable Handling
  • 24.Data Types
  • 24.1.Elementary Data Types
  • 24.1.1.Declaration of Elementary Data Types
  • 24.1.2.Bool, Byte, Word, Dword, Char
  • 24.1.3.Number Representations
  • 24.1.4.Time Representations
  • 24.2.Complex Data Types
  • 24.2.1.Date_And_Time
  • 24.2.2.String
  • 24.2.3.Array
  • 24.2.4.Struct
  • 24.3.User-Defined Data Types
  • 24.3.1.Programming UDTs Incrementally
  • 24.3.2.Source-File-Oriented Programming of UDTs
  • 25.Indirect Addressing
  • 25.1.Pointers
  • 25.1.1.Area Pointer
  • 25.1.2.DB Pointer
  • 25.1.3.ANY Pointer
  • 25.2.Types of Indirect Addressing in STL
  • 25.2.1.General
  • 25.2.2.Indirect Addresses
  • 25.2.3.Memory-Indirect Addressing
  • Contents note continued: 25.2.4.Register-Indirect Area-Internal Addressing
  • 25.2.5.Register-Indirect Area-Crossing Addressing
  • 25.2.6.Summary
  • 25.3.Working with Address Registers
  • 25.3.1.Loading into an Address Register
  • 25.3.2.Transferring from an Address Register
  • 25.3.3.Swap Address Registers
  • 25.3.4.Adding to the Address Register
  • 25.4.Special Features of Indirect Addressing
  • 25.4.1.Using Address Register AR1
  • 25.4.2.Using Address Register AR2
  • 25.4.3.Restrictions with Static Local Data
  • 26.Direct Variable Access
  • 26.1.Loading the Variable Address
  • 26.2.Data Storage of Variables
  • 26.2.1.Storage in Global Data Blocks
  • 26.2.2.Storage in Instance Data Blocks
  • 26.2.3.Storage in the Temporary Local Data
  • 26.3.Data Storage when Transferring Parameters
  • 26.3.1.Parameter Storage in Functions
  • 26.3.2.Storing Parameters in Function Blocks
  • 26.3.3."Variable" ANY Pointer
  • 26.4.Brief Description of the Message Frame Example
  • Contents note continued: Structured Control Language (SCL)
  • 27.Introduction, Language Elements
  • 27.1.Integration in SIMATIC
  • 27.1.1.Installation
  • 27.1.2.Setting Up a Project
  • 27.1.3.Editing the SCL Source
  • 27.1.4.Completing the Symbol Table
  • 27.1.5.Compiling the SCL Program
  • 27.1.6.Loading SCL Blocks
  • 27.1.7.Testing SCL Blocks
  • 27.1.8.Addresses and Data Types
  • 27.1.9.Data Type Views
  • 27.2.Addressing
  • 27.2.1.Absolute Addressing
  • 27.2.2.Symbolic Addressing
  • 27.2.3.Indirect Addressing in SCL
  • 27.3.Operators
  • 27.4.Expressions
  • 27.4.1.Arithmetic Expressions
  • 27.4.2.Comparison Expressions
  • 27.4.3.Logical Expressions
  • 27.5.Value Assignments
  • 27.5.1.Assignment for Elementary Data Types
  • 27.5.2.Assignment of DT and STRING Variables
  • 27.5.3.Assignment of Structures
  • 27.5.4.Assigning Fields
  • 28.Control Statements
  • 28.1.If Statement
  • 28.2.Case Statement
  • 28.3.For Statement
  • 28.4.While Statement
  • 28.5.Repeat Statement
  • Contents note continued: 28.6.Continue Statement
  • 28.7.Exit Statement
  • 28.8.Return Statement
  • 28.9.Goto Statement
  • 29.SCL Blocks
  • 29.1.SCL Blocks-General
  • 29.2.Programming SCL Blocks
  • 29.2.1.Function FC without a Function Value
  • 29.2.2.Function FC with Function Value
  • 29.2.3.Function Block FB
  • 29.2.4.Temporary Local Data
  • 29.2.5.Static Local Data
  • 29.2.6.Block Parameters
  • 29.2.7.Formal Parameters
  • 29.3.Calling SCL Blocks
  • 29.3.1.Function FC without Function Value
  • 29.3.2.Function FC with Function Value
  • 29.3.3.Function Block with its Own Data Block
  • 29.3.4.Function Block as Local Instance
  • 29.3.5.Actual Parameters
  • 29.4.EN/ENO Mechanism
  • 29.4.1.OK Variable
  • 29.4.2.ENO Output
  • 29.4.3.EN Input
  • 30.SCL Functions
  • 30.1.Timer Functions
  • 30.2.Counter Functions
  • 30.3.Math Functions
  • 30.4.Shifting and Rotating
  • 30.5.Conversion Functions
  • 30.5.1.Implicit Conversion Functions
  • 30.5.2.Explicit Conversion Functions
  • Contents note continued: 30.6.Numerical Functions
  • 30.7.Programming Your Own Functions with SCL
  • 30.8.Programming Your Own Functions with STL
  • 30.9.Brief Description of the SCL Examples
  • 30.9.1.Conveyor Example
  • 30.9.2.Message Frame Example
  • 30.9.3.General Examples
  • 31.IEC functions
  • 31.1.Conversion Functions
  • 31.2.Comparison Functions
  • 31.3.STRING Functions
  • 31.4.Date/Time-of-Day Functions
  • 31.5.Numerical Functions
  • Appendix
  • 32.S5/S7 Converter
  • 32.1.General
  • 32.2.Preparation
  • 32.2.1.Checking Executability on the Target System (PLC)
  • 32.2.2.Checking Program Execution Characteristics
  • 32.2.3.Checking the Modules
  • 32.2.4.Checking the Addresses
  • 32.3.Converting
  • 32.3.1.Creating Macros
  • 32.3.2.Preparing the Conversion
  • 32.3.3.Starting the Converter
  • 32.3.4.Convertible Functions
  • 32.4.Post-Editing
  • 32.4.1.Creating the STEP 7 Project
  • 32.4.2.Non-convertible Functions
  • 32.4.3.Address Changes
  • 32.4.4.Indirect Addressing
  • Contents note continued: 32.4.5.Access to "Excessively Long" Data Blocks
  • 32.4.6.Working with Absolute Addresses
  • 32.4.7.Parameter Initialization
  • 32.4.8.Special Function Organization Blocks
  • 32.4.9.Error Handling
  • 33.Block Libraries
  • 33.1.Organization Blocks
  • 33.2.System Function Blocks
  • 33.3.IEC Function Blocks
  • 33.4.S5-S7 Converting Blocks
  • 33.5.TI-S7 Converting Blocks
  • 33.6.PID Control Blocks
  • 33.7.Communication Blocks
  • 33.8.Miscellaneous Blocks
  • 33.9.SIMATIC_NET_CP
  • 33.10.Redundant IO MGP V31
  • 33.11.Redundant IO CGP V40
  • 33.12.Redundant IO CGP V51
  • 34.STL Operation Overview
  • 34.1.Basic Functions
  • 34.1.1.Binary Logic Operations
  • 34.1.2.Memory Functions
  • 34.1.3.Transfer Functions
  • 34.1.4.Timer Functions
  • 34.1.5.Counter Functions
  • 34.2.Digital Functions
  • 34.2.1.Comparison Functions
  • 34.2.2.Math Functions
  • 34.2.3.Arithmetic Functions
  • 34.2.4.Conversion Functions
  • 34.2.5.Shift Functions
  • 34.2.6.Word Logic Operations
  • Contents note continued: 34.3.Program Flow Control
  • 34.3.1.Jump Functions
  • 34.3.2.Master Control Relay
  • 34.3.3.Block Functions
  • 34.4.Indirect Addressing
  • 35.SCL Statement and Function Overview
  • 35.1.Operators
  • 35.2.Control Statements
  • 35.3.Block Calls
  • 35.4.SCL Standard Functions
  • 35.4.1.Timer Functions
  • 35.4.2.Counter Functions
  • 35.4.3.Conversion Functions
  • 35.4.4.Math functions
  • 35.4.5.Shift and Rotate.
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