This training was designed for Siemens S7 PLC-programmers who want to learn how to build STEP 7-applications using ‘Structured Control Language’ (SCL). SCL is the Siemens STEP 7 implementation of the ‘Structured Text’ programming language as defined in the IEC 61131 standard.
As a prerequisite the trainees should be familiar with the Siemens STEP 7 programming suite as well as with S7-PLC hardware. A basic programming knowledge in another high level programming language will be a plus but is not a requirement.
In the introduction an explanation will be given about the relationship between SCL and the other ‘basic’ STEP 7 language alternatives such as ‘Function Block Diagram’ (FBD), ‘Ladder Diagram’ (LAD) and ‘Statement List’ (STL). Specific areas will be pointed out where applications might benefit from having been written in SCL. The complete SCL syntax, the available diagnostic tools and debugging tools will be studied. The definition and usage of complex structured variables will be extensively covered.