Chapter 24 Rcp - Recipe - Allen-Bradley MicroLogix 1400 Instruction Manual

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RCP - Recipe
511
Recipe and Data Logging
This chapter describes how to use the Recipe and Data Logging functions.
Instruction Type: output
Execution Time for the RCP Instruction
Controller Operation
MicroLogix 1400 Load
Store
The RCP file allows you to save custom lists of data associated with a
recipe. Using these files along with the RCP instruction lets you transfer a
data set between the recipe database and a set of user-specified locations
in the controller file system.
The recipe data is stored in Data Log Queue memory.
This section contains the following topics:
• Recipe File and Programming Example on page 513
• Example Queue 0 on page 519
• Example Queue 5 on page 520
• Example Maximum record of String data on page 522
• Retrieval Tools on page 529
• Information for Creating Your Own Application on page 530
The following reasons may help you choose which type of memory to
use:
• All the recipe data is stored into the controller's memory module.
Because the recipe data is stored in Data Log Queue memory, it
does not consume user program space.
• If you are not using the data logging function, it allows you more
memory (up to 64K bytes) for RCP files. You can use the Data Log
Queue for data logging and recipe data, but the total cannot exceed
128K bytes.
See step 2, "Create a RCP File" on page 513 for the recipe file procedure.
When Rung Is:
True False
14.5910 µs 0.5205 µs
14.8690 µs 0.4515 µs
Publication 1766-RM001A-EN-P - October 2008
24
Chapter