Siemens Simatic Step 7 Level 2 Siemens Simatic Step 7 Level 2 Course Code: SI-S7SYS12 A full breakdown of course content can be. Duration: 5 Days. Cost: To Be Advised. Course Summary: This five-day course is designed to concentrate on the planning, design and start-up of Siemens PLC systems. Having completed the SI-S7SYS1 course the knowledge and skills acquired are consolidated and further enhanced. Course Objectives: At the end of the course, students will be able to, • Customise and Write sophisticated Step 7 programs using Function Blocks.