Step - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Step

A step is the basic unit for comprising a block.
(1) (2)
(3) (4)
Steps have the following characteristics.
• When the step becomes active, the related action is executed.
• Up to 512 steps can be created in one block.
• A step No. is assigned to each step. Step Nos. are used to monitor a specific step being executed or forcibly start or stop
the step by using the SFC control instruction. ( Page 103 Assigning the step relay (S) areas to steps)
• Each step name and No. are unique within each block. (Each cannot be a blank.)
The step name, step No., attribute, and attribute target can be changed from the "Step Properties" window.
Select a step and select [Edit][Properties] in the menu. The "Step Properties" window is displayed. ( GX
Works3 Operating Manual)
(1) Step name
(2) Step No.
(3) Attribute
(4) Attribute target
8 SFC PROGRAM
93
8.2 Structure
8