Publication 1766-RM001A-EN-P - October 2008
40 Controller Memory and File Types
Controller Memory
File Structure
MicroLogix 1400 controller user memory comprises Data Files, Function
Files, and Program Files.
TIP
The file types shown for data files 3…8 are the default file types for those file numbers and cannot be changed. Data
files 9…255 can be added to your program to operate as bit, timer, counter, or other files shown below.
Controller User Memory File Types
Data Files Function Files Program Files Specialty Files
0 Output File HSC High Speed Counter 0 System File 0 0 Data Log Queue 0
1 Input File PTOX Pulse Train Output 1 System File 1 1 Data Log Queue 1
2 Status File PWMX Pulse Width
Modulation
2 Program File 2 2…255 Data Log Queues
2…255
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