Rockwell-automation DeviceLogix System User Manual Manual de usuario Pagina 74

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74 Publication RA-UM003B-EN-P - February 2010
Chapter 3 Bind Function Blocks with I/O
Configure the Macro
Instruction
Beginning with DeviceLogix firmware revision 4, certain devices
support the Macro instruction, which defines a set of logic routines.
Once defined, a Macro instruction behaves like other instructions in
logic.
A Macro definition contains an instruction and may reference any
output inside this logic and wiring. It does not contain any product
scope I/O. The name of a Macro definition cannot duplicate any
existing DeviceLogix instruction name or another existing Macro
definition name.
The maximum number of Macro definitions permitted is defined in
the DeviceLogix capability information, which is included in the EDS
file.
Work with the Macro Instruction
You can access, edit, and manage Macro instructions through new
Tools menu options:
Create Macro Block
Macro Block Manager
Open Macro Block Definition
Delete Macro Block
Open Macro Block Logic
Using a Macro instruction encompasses these general steps, each of
which is described in following sections.
1. Create the Macro definition
2. Define the external I/O binding
3. Add parameters
4. Set security (optional)
5. Apply the Macro definition
6. Add the Macro instruction to logic
7. Manage the Macro
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