48
CP1L-EL/EM CPU Unit Operation
Section 2-3
Reading from Flash
Memory
Data
Read method
User program and
parameter data
This data is automatically read to RAM when power is turned
ON.
DM Area data
Reading this data when power is turned ON can be enabled or
disabled in the PLC Setup.
Comment memory
data
When the project is transferred from the CX-Programmer,
comment memory can be specified as a destination to transfer
the comment memory data to built-in flash memory.
Function block
source data
When a project that contains function blocks is transferred
from the CX-Programmer, the function block source data is
transferred to built-in flash memory.
RAM
User program area
Parameter area
I/O memory area
DM Area
Battery
Backup
Built-in flash memory
User program
area
Parameter area
DM Area initial
values
Comment
memory area
FB source
memory area
Power
ON
Auto read
Power
ON
Auto read
Auto read
CPU Unit
FB = Function block
When power-ON
transfer is specified
in PLC Setup.
Summary of Contents for CP1L-EL20DR-D
Page 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Software Licenses and Copyrights 7...
Page 192: ...158 Trial Operation and Debugging Section 5 3...
Page 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Page 666: ...632 Trouble Shooting Section 11 7...
Page 696: ...662 Standard Models Appendix A...
Page 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Page 836: ...802 PLC Setup Appendix G...
Page 838: ...804 TCP Status Transitions Appendix H...
Page 840: ...806 Ethernet Network Parameters Appendix I...
Page 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Page 844: ...810 Ethernet Specifications Appendix K...
Page 851: ...Index 817 work words 118 write protection 447...
Page 852: ...818 Index...
Page 854: ...820 Revision History...
Page 855: ......