Omron CX-ONE - 1 Supports Nested Function Blocks (Multi-level FB Structure)

Programming Software – PLCs
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The FB/ST language programming environment has advanced
in CX-Programmer Ver. 6.0. The CX-Programmer now supports
nested (multi-level) function blocks. The CX-Programmer
achieves a genuine structured programming environment,
Supports Nested Function Blocks
(Multi-level FB Structure)
in which user-defined function block units and OMRON’s Smart
function block library objects can be combined in levels to
create large-scale standard program units.
• Processes that are used repeatedly were
defined together as a function block (FB).
The FB could be called as an element within
a section.
• Different FBs defined in a section can be nested
up to 7 levels deep. The called FB is either
pasted as an instance in another FB (for ladder
language programs) or called using an FB call
statement (for ST language programs).
• A standard Smart FB object or user-defined FB can be called from
an FB definition created in ladder or ST language.
Earlier Programming Environment
New Programming Environment
1
Section 1
Section 2
Section 1
Section 2
Section 3
FB001
FB101
FB102
FB201
FB001
FB001
MOV
data 0
data 1
FB100
FB101
FB002
FB201
FB201
MOV
data 0
data 1