5
MEMORIES AND FILES HANDLED BY CPU MODULE
5.3 Program File Structure
5 - 63
1
Overview
2
Performance
Specification
3
Sequence Program
Configuration and
Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files
Handled by CPU Module
6
Functions
7
Communication using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
(2) Display of program capacity by GX Developer
During programming by GX Developer, the program capacity (sum of the file header
capacity and the numbers of steps in the created program) is displayed in terms of the
number of steps as shown in Figure 5.43.
When a program is created, the capacity of the crea.ted program can be confirmed.
POINT
1. The program capacity displayed during programming by GX Developer is the
capacity of the file header and execution program and does not include the
capacity of the allocate memory for online change (500 steps).
(Example) The capacity of the program having the execution program area of
491 steps is displayed on GX Developer as shown below. (The file header is
fixed to 34 steps.)
2. Since a file is stored in file size units on the program memory, the program
capacity displayed during programming by GX Developer may differ from the
capacity of the program file on the CPU module. ( Section 5.4.4)
Figure 5.43 Program capacity display
Figure 5.44 File status on GX Developer
Program capacity display
File header
Execution program
34 steps
491 steps
Display on GX Developer:
34 steps + 491 steps = 525 steps.
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