Delta DVP-SS2

5-1
Sequential Function Chart
This chapter provides information for programming in SFC mode.
Table of Contents
5.1 Step Ladder Instruction [STL], [RET] ............................................................................... 5-2
5.2 Sequential Function Chart (SFC) ...................................................................................... 5-3
5.3 The Operation of STL Program ......................................................................................... 5-5
5.4 Points to Note for Designing a Step Ladder Program .................................................. 5-12
5.5 Types of Sequences ......................................................................................................... 5-14
5.6 IST Instruction................................................................................................................... 5-25