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9
Introducing the Function Blocks
Section 1-1
Edit
Update Function Block
---
When a function block definition’s input variables, output
variables, or input-output variables have been changed
after the instance was created, an error will be indicated by
displaying the instance’s left bus bar in red. This command
updates the instance with the new information and clears
the error.
To Lower Layer
---
Jumps to the function block definition for the selected
instance.
Function Block (ladder) generation
---
Generates a ladder-programmed function block for the
selected program section while automatically determining
address application conditions.
View
Monitor FB Instance
---
When monitoring the program online, monitors ST variable
status as well as I/O bit and word status (I/O bit monitor) of
the ladder diagram in the instance.
(Supported by CX-Programmer Ver. 6.1 and later only).
To Lower Layer
---
Displays on the right side the contents of the function block
definition of the selected instance. (Supported by CX-Pro-
grammer Ver. 6.0 and later only.)
To Upper Layer
---
Returns to the calling instance (ladder diagram or ST).
(Supported by CX-Programmer Ver. 6.0 and later only.)
Window
FB Instance
Viewer
---
Displays the FB Instance Viewer. (When nesting, the dis-
play shows details such as the relationship between
instance nesting levels and allocated variable addresses in
the instances.)
Insert
Function Block Invocation
F
Creates an instance in the program (section) at the present
cursor location.
Function Block Parameter
P
When the cursor is located to the left of an input variable or
the right of an output variable, sets the variable’s input or
output parameter.
PLC
Memory
Alloca-
tion
Function
Block/
SFC
Memory
Function Block
/SFC Memory
Allocation
---
Sets the range of addresses (function block instance areas)
internally allocated to the selected instance’s variables.
Function Block
/SFC Memory
Statistics
---
Checks the status of the addresses internally allocated to
the selected instance’s variables.
Function Block
Instance
Address
---
Checks the addresses internally allocated to each variable
in the selected instance.
Optimize Func-
tion Block/SFC
Memory
---
Optimizes the allocation of addresses internally allocated to
variables.
Program
Online Edit
Begin
---
Starts online editing of a function block.
Send Change
---
Transfers changes made during online editing of a function
block.
Cancel
---
Cancels changes made to a function block being edited
online.
Transfer FB
Source
---
Transfers only the function block source.
Release FB
Online Edit
Access Rights
---
Forcefully releases the access rights for function block,
SFC, and ST online editing held by another user.
Main
menu
Submenu
Shortcut
Function
Summary of Contents for SYSMAC CX-Programmer 9
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Page 4: ...iv ...
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Page 26: ...xxvi Application Precautions 4 ...
Page 27: ...Part 1 Function Blocks ...
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Page 154: ...128 Procedures Section 3 2 ...
Page 155: ...Part 2 Structured Text ST ...
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Page 160: ...134 CX Programmer Specifications Section 4 2 ...
Page 206: ...180 Procedures Section 6 1 ...
Page 208: ...182 System defined external variables supported in function blocks Appendix A ...
Page 230: ...204 Revision History ...
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