Document Outline

• 1 Preface and general information
  • 1.1 About this manual
    • 1.1.1 Terminology used
  • 1.2 Applied conventions
• 2 Introduction
  • 2.1 Function overview
  • 2.2 Project components
    • 2.2.1 Project
    • 2.2.2 Organization unit (POU)
    • 2.2.3 Function
    • 2.2.4 Function block
    • 2.2.5 Program
    • 2.2.6 PLC_PRG
    • 2.2.7 System POUs
    • 2.2.8 Resources
    • 2.2.9 Libraries
    • 2.2.10 Data types
    • 2.2.11 Visualization
  • 2.3 Debugging, online functionality
    • 2.3.1 Debugging
    • 2.3.2 Breakpoint
    • 2.3.3 Single step
    • 2.3.4 Single cycle
    • 2.3.5 Changing values online
    • 2.3.6 Monitoring
    • 2.3.7 Simulation
    • 2.3.8 Log
• 3 Program example "Traffic light"
  • 3.1 Introduction
  • 3.2 Programming
    • 3.2.1 Starting the DDS
    • 3.2.2 Creating a new project
    • 3.2.3 Selecting PLC
    • 3.2.4 Creating organization units
    • 3.2.5 The organization unit TRAFFICLIGHT
    • 3.2.6 The organization unit WAIT
    • 3.2.7 The main program PLC_PRG
    • 3.2.8 Extending the program with an alternative branch
  • 3.3 Simulation
  • 3.4 Visualization
    • 3.4.1 Creating a new visualization
    • 3.4.2 Inserting and configuring elements in the visualization
    • 3.4.3 Visualization in online mode
• 4 Programming languages
  • 4.1 The standard IEC 61131-3
  • 4.2 Instruction list (IL)
    • 4.2.1 Operators and modifiers
  • 4.3 Structured text (ST)
    • 4.3.1 Expressions
    • 4.3.2 Evaluating expressions
    • 4.3.3 Instructions (overview)
    • 4.3.4 Assignment operator
    • 4.3.5 Calling a function block in ST
    • 4.3.6 RETURN instruction
    • 4.3.7 IF instruction
    • 4.3.8 CASE instruction
    • 4.3.9 FOR loop
    • 4.3.10 WHILE loop
    • 4.3.11 REPEAT loop
    • 4.3.12 EXIT instruction
  • 4.4 Sequential Function Chart (SFC)
    • 4.4.1 Step
    • 4.4.2 Action
    • 4.4.3 Entry and exit action
    • 4.4.4 Transition/ transition condition
    • 4.4.5 Active step
    • 4.4.6 IEC step
    • 4.4.7 Qualifiers
    • 4.4.8 Implicit SFC variables
    • 4.4.9 SFC flags
    • 4.4.10 Alternative branch
    • 4.4.11 Parallel branch
    • 4.4.12 Jump
  • 4.5 Function block diagram (FBD)
  • 4.6 The Continuous Function Chart editor (CFC)
  • 4.7 Ladder diagram (LD)
    • 4.7.1 Contact
    • 4.7.2 Coil
    • 4.7.3 Set/ Reset coil
    • 4.7.4 Function blocks in LD
    • 4.7.5 LD as FBD
• 5 Desktop
  • 5.1 User interface
    • 5.1.1 Menu bar
    • 5.1.2 Tool bar
    • 5.1.3 Object Organizer
    • 5.1.4 Vertical screen divider
    • 5.1.5 Desktop
    • 5.1.6 Message window
    • 5.1.7 Status bar
    • 5.1.8 Shortcut menu
  • 5.2 Arrange windows
    • 5.2.1 Commands in the "Window" menu
  • 5.3 Basic settings
    • 5.3.1 DDS options
• 6 Working with projects and objects
  • 6.1 Managing projects
    • 6.1.1 Commands in the "File" menu
    • 6.1.2 Commands in the "Project" menu
    • 6.1.3 User groups
  • 6.2 Working with objects
    • 6.2.1 Object
    • 6.2.2 Folders
    • 6.2.3 Commands in the shortcut menu
    • 6.2.4 Commands in the "Project" menu
  • 6.3 Working in online mode
    • 6.3.1 Commands in the "Online" menu
  • 6.4 Log
    • 6.4.1 Log characteristics
• 7 Editors
  • 7.1 General edit functions
    • 7.1.1 Commands in the "Edit" menu
  • 7.2 Declaration editor
    • 7.2.1 Declaration part
    • 7.2.2 Input variables
    • 7.2.3 Output variables
    • 7.2.4 Input / output variables
    • 7.2.5 Local variables
    • 7.2.6 Retentive variables
    • 7.2.7 Constants, typed literals
    • 7.2.8 Retentive constants
    • 7.2.9 Keywords
    • 7.2.10 Identifiers
    • 7.2.11 Variable declaration
    • 7.2.12 AT declaration
    • 7.2.13 Syntax colouring
    • 7.2.14 Short mode
    • 7.2.15 Auto declaration
    • 7.2.16 Line numbers in the declaration editor
    • 7.2.17 Declarations as tables
    • 7.2.18 Declaration editor in online mode
    • 7.2.19 Comment
  • 7.3 Text editors
    • 7.3.1 Commands in the "Insert" menu
    • 7.3.2 Text editors in online mode
    • 7.3.3 Breakpoint positions
    • 7.3.4 What happens at a breakpoint?
    • 7.3.5 Line numbers of the text editor
  • 7.4 Network editors (general)
    • 7.4.1 Jump labels
    • 7.4.2 Network comments
    • 7.4.3 Inserting a new network
    • 7.4.4 Inputs/Outputs on the fly
    • 7.4.5 Network editors in online mode
  • 7.5 Function block diagram editor
    • 7.5.1 Cursor positions in FBD
    • 7.5.2 Placing the cursor
    • 7.5.3 Commands in the "Insert" menu
    • 7.5.4 Commands in the "Extras" menu
    • 7.5.5 Commands in the "Edit" menu
    • 7.5.6 The FBD editor in online mode
  • 7.6 Ladder diagram editor
    • 7.6.1 Cursor positions in LD
    • 7.6.2 Commands in the "Insert "menu
    • 7.6.3 Organization units with EN inputs
    • 7.6.4 Commands in the "Extras "menu
    • 7.6.5 The LD in online mode
  • 7.7 CFC editor
    • 7.7.1 Cursor positions in CFC
    • 7.7.2 Selecting elements
    • 7.7.3 Copying and deleting elements
    • 7.7.4 Moving elements
    • 7.7.5 Commands in the "Insert" menu
    • 7.7.6 Commands in the "Extras" menu
    • 7.7.7 Creating connections
    • 7.7.8 Changing connections
    • 7.7.9 Deleting connections
    • 7.7.10 Feedbacks
    • 7.7.11 Processing sequence
    • 7.7.12 Commands in the "Extras" menu, submenu "Order"
    • 7.7.13 CFC in online mode
  • 7.8 SFC editor
    • 7.8.1 Selecting blocks
    • 7.8.2 Commands in the "Insert" menu
    • 7.8.3 Commands in the "Extras" menu
    • 7.8.4 Commands in the "Project" menu
    • 7.8.5 SFC flags
    • 7.8.6 Sequential function chart in online mode
• 8 Resources
  • 8.1 Global variables
    • 8.1.1 Several variable lists
    • 8.1.2 Document template
  • 8.2 Code initialization values
  • 8.3 Parameter monitor
    • 8.3.1 System codes/User codes
    • 8.3.2 Parameterizing codes
    • 8.3.3 Differentiating between online and offline mode
  • 8.4 Parameter Manager
    • 8.4.2 Terminology used by the Parameter Manager
    • 8.4.3 Instance Parameter Manager
    • 8.4.4 Type Parameter Manager
    • 8.4.5 Scale functions
  • 8.5 Process image
    • 8.5.1 Generating the process image
  • 8.6 PLC configuration
    • 8.6.1 Working in the PLC configuration
    • 8.6.2 Touch probe interface
    • 8.6.3 Configuring an I/O module
    • 8.6.4 Configuring a channel
  • 8.7 Task monitor
  • 8.8 Task configuration
    • 8.8.1 Task definition
    • 8.8.2 Data consistency
    • 8.8.3 Normal data processing/IPO principle
    • 8.8.4 If a task overflow leads to a system error
    • 8.8.5 Task declaration
    • 8.8.6 Working in the task configuration
  • 8.9 Watch and Receipt Manager
    • 8.9.1 Watch and Receipt Manager in offline mode
    • 8.9.2 Watch and Receipt Manager in online mode
    • 8.9.3 Command overview
  • 8.10 Target Settings
  • 8.11 Library Manager
    • 8.11.1 Library Manager window
    • 8.11.2 Included libraries
    • 8.11.3 User-defined libraries
• 9 Visualization
  • 9.1 Inserting visualization elements
    • 9.1.1 Commands in the "Insert" menu
  • 9.2 Editing visualization elements
    • 9.2.1 Information in the status bar
    • 9.2.2 Expressions
    • 9.2.3 Selecting visualization elements
    • 9.2.4 Changing size and shape of visualization elements
    • 9.2.5 Moving visualization elements
    • 9.2.6 Copying, cutting, inserting visualization elements
    • 9.2.7 Deleting visualization elements
    • 9.2.8 Commands in the "Extras" menu
  • 9.3 Configuring visualization elements
    • 9.3.1 Commands in the "Extras" menu
    • 9.3.2 Formatted text display
  • 9.4 Visualization in libraries
• 10 IEC 61131-3 data types
  • 10.1 Standard data types
    • 10.1.1 BOOL
    • 10.1.2 Integer data types
    • 10.1.3 REAL and LREAL
    • 10.1.4 String
    • 10.1.5 Time data types
  • 10.2 Defined data types:
    • 10.2.1 Array
    • 10.2.2 Pointers
    • 10.2.3 Enumeration type
    • 10.2.4 Structures
    • 10.2.5 References
    • 10.2.6 Subrange types
• 11 Operator list
  • 11.1 DDS-integrated IEC operators
  • 11.2 Standard.lib-integrated IEC operators
• 12 IEC 61131-3 operators
  • 12.1 Arithmetic operators
    • 12.1.1 ADD
    • 12.1.2 MUL
    • 12.1.3 SUB
    • 12.1.4 DIV
    • 12.1.5 MOD
    • 12.1.6 INDEXOF
    • 12.1.7 SIZEOF
  • 12.2 Bit-string operators
    • 12.2.1 AND
    • 12.2.2 OR
    • 12.2.3 XOR
    • 12.2.4 NOT
  • 12.3 Bit-shift operators
    • 12.3.1 SHL
    • 12.3.2 SHR
    • 12.3.3 ROL
    • 12.3.4 ROR
  • 12.4 Selection operators
    • 12.4.1 SEL
    • 12.4.2 MAX
    • 12.4.3 MIN
    • 12.4.4 LIMIT
    • 12.4.5 MUX
  • 12.5 Comparison operators
    • 12.5.1 GT
    • 12.5.2 LT
    • 12.5.3 LE
    • 12.5.4 GE
    • 12.5.5 EQ
    • 12.5.6 NE
  • 12.6 Addressing operators
    • 12.6.1 ADR
    • 12.6.2 Contents operator
  • 12.7 Call operator
    • 12.7.1 CAL
  • 12.8 Assignment operator
    • 12.8.1 MOVE
• 13 IEC 61131-3 operands
  • 13.1 Constants
    • 13.1.1 Number constants
    • 13.1.2 BOOL constants
    • 13.1.3 TIME constants
    • 13.1.4 DATE constants
    • 13.1.5 TIME_OF_DAY constants
    • 13.1.6 DATE-AND-TIME-Konstanten
    • 13.1.7 REAL and LREAL constants
    • 13.1.8 STRING constants
    • 13.1.9 Type constants (Typed Literals)
  • 13.2 Variables
    • 13.2.1 System variable
    • 13.2.2 Access to variables of arrays, structures and organization units
    • 13.2.3 Addressing bits in variables
    • 13.2.4 Identifiers
  • 13.3 Addresses
    • 13.3.1 Address
    • 13.3.2 Flags
  • 13.4 Function calls
• 14 IEC 61131-3 standard functions
  • 14.1 Type conversion functions
    • 14.1.1 Converting between integer number types
    • 14.1.2 BOOL_TO
    • 14.1.3 TO_BOOL
    • 14.1.4 TIME_TO / TIME_OF_DAY
    • 14.1.5 DATE_TO / DT_TO
    • 14.1.6 STRING_TO
    • 14.1.7 TRUNC
  • 14.2 Numerical functions
    • 14.2.1 ABS
    • 14.2.2 SQRT
    • 14.2.3 LN
    • 14.2.4 LOG
    • 14.2.5 EXP
    • 14.2.6 SIN
    • 14.2.7 COS
    • 14.2.8 TAN
    • 14.2.9 ASIN
    • 14.2.10 ACOS
    • 14.2.11 ATAN
    • 14.2.12 EXPT
  • 14.3 STRING functions
    • 14.3.1 LEN
    • 14.3.2 LEFT
    • 14.3.3 RIGHT
    • 14.3.4 MID
    • 14.3.5 CONCAT
    • 14.3.6 INSERT
    • 14.3.7 DELETE
    • 14.3.8 REPLACE
    • 14.3.9 FIND
  • 14.4 Bistable function blocks
    • 14.4.1 SR
    • 14.4.2 RS
    • 14.4.3 SEMA
  • 14.5 Edge detection
    • 14.5.1 R-TRIG
    • 14.5.2 F-TRIG
  • 14.6 Counters
    • 14.6.1 CTU
    • 14.6.2 CTD
    • 14.6.3 CTUD
  • 14.7 Timers
    • 14.7.1 TP
    • 14.7.2 TON
    • 14.7.3 TOF
• 15 Appendix
  • 15.1 Command line commands
  • 15.2 Command file (Cmdfile) commands
  • 15.3 IEC keywords
  • 15.4 Key combinations and function keys
  • 15.5 Error messages
    • 15.5.1 Warnings
    • 15.5.2 Compile errors
    • 15.5.3 Communication errors
    • 15.5.4 System-oriented communication error
  • 15.6 Glossary
• 16 Index