Supported Elements in Ladder Diagram

The ladder diagram import capability of Simulink^® PLC Coder™ enables you to import ladder diagrams created by using Rockwell Automation^® IDEs, such as RSLogix™ 5000 and Studio 5000, into the Simulink environment as a model.

Supported Ladder Elements

Simulink PLC Coder supports these ladder elements:

• Boolean variables

• Data access to array elements, bus elements, bit, and constant variables.

• Multiple rungs

• Simple Jump, Temporary End, and other supported execution control elements.

• Ladder diagram blocks. See plcladderlib.

• Ladder Diagram Instructions. See Instructions Supported in Ladder Diagram

• The L5X data types listed in this table:

  L5X Data Types	Simulink Types
  BOOL	Boolean datatype
  SINT	Int8 datatype
  INT	Int16 datatype
  DINT	Int32 datatype
  REAL	Single datatype
  TIMER	Timer bustype
  COUNTER	Counter bustype
  CONTROL	Control bustype
  UDT	UDT bustype
  AOI	AOI bustype

• Supported ladder diagram tags:

  • Controller

  • Program

  • AOI Tags, such as Input, Output, and InOut