Appendix Programming Information
1272
Available address area Type Memory
size
F/P IEC
Function
Timer/counter elapsed
value area
2)
1513 DEV0–DEV3070 %MD4.0–
%MD4.3070
Data memory for storing the
elapsed values during operation
of timers or counters. The values
are stored by timer/counter
number.
File registers 16382 DFL0–DFL32763 %MD9.0–
%MD9.32763
Data memory used in a program.
Data is handled in 16-bit units
(one word).
Special data registers 265 DDT90000–
DDT90510
%MD5.90000–
%MD5.90510
Data memory for storing settings
and error codes.
Index registers 7 DI0–DID %MD6.0–
%MD6.13
Data memory used to modify
constants and memory area
addresses.
1)
There are two memory types, the hold type that saves the conditions that exist just before turning the power off
or changing from RUN to PROG mode, and the non−hold type that resets them. The hold and non−hold type
memory areas can be changed by setting the system registers.
2)
The number of points for timer and counter relays can be changed using system register 5. The numbers in the
table are the default settings.
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