3.
3 - 25
SYSTEM CONFIGURATION
3.3.3 QnACPU memory block diagram
The following block diagram shows the QnACPU memory configuration.
For file types stored in each memory, refer to "File Types & Storage Destinations of Files
Managed by QnACPU" in the QnACPU Programming Manual (Fundamentals).
Built-in RAM : Memory that stores parameters, sequence programs, etc.
Error history storage
memory
: Memory that stores error history data
Device memory : Memory that stores device data
Memory card
(RAM, ROM area)
: Memory that stores the files, comments, etc., for parameters,
sequence programs, sampling traces, etc.
PLC memory : Indicates all the memories of drives 0 through 4.