ISPSoft User Manual Example Example 1: The En pin of a block representing an applied instruction in a function block diagram can be connected to anther instruction or object. Example 2: In a function block diagram, no object can precede a comparison contact, but the output pin of the comparison contact can connect to an input pin of an AND/OR block, an output node, the En pin of a block representing a function block, or the En pin of a block representing an applied instruction. *. Please refer to chapter 7 for more information about function blocks.
Inserting an applied instruction, a comparison contact, or a function block (1) Select a position into which an applied instruction, a comparison contact, or a function block will be inserted in the working area. In the figure below, users are allowed to insert applied instructions and function blocks into the positions marked with red frames, and comparison contacts into the positions marked with green triangles. 11-22