Lenze DDS Target 9300 Servo PLC V8.x - Manual (Page 107)

9300 Servo PLC
Appendix
3.3 Memories
3−101
L
9300 Servo PLC EN 5.1
3.3 Memories
The below table gives you an overview of the memories available:
Memory Size Info
ROM
Program memory 384 kbytes Re−written whenever the program is downloaded
Application data memory
(FLASH) 15 segments
à 64 kbytes
For data and motion profiles (cam data).
·
Data are preserved even after repeated program downloads or firmware
updates.
·
Use the command
Online
WReset (original) in the DDS online mode to delete data.
RAM
PLC data memory 10 kbytes Can be symbolically used for FB instances and PLC variables.
Application data memory 2 blocks
à 64 kbytes
Data gets lost after mains disconnection.
E2PROM−buffered memory
Retain memory 160 bytes See subsection 3.3.1
Persistent memory 32 bytes See subsection 3.3.2
Tip!
The LenzeMemDrv.lib function library includes functions for read/write access to the additional
backup memory (application data memory, FLASH) of the PLC.
·
Additional information can be found in the Manual for the LenzeMemDrv.lib function library.