Appendix Programming Information
1264
Available address area Type Memory
size
F/P IEC
Function
External output relays
1)
13 WY0–WY12 %QW0–
%QW12
Code for specifying 16 external
output points as one word (16
bits) of data.
Internal relays
2)
63 WR0–WR62 %MW0.0–
%MW0.62
Code for specifying 16 internal
relays as one word (16 bits) of
data.
Data registers
2)
1660 DT0–DT1659 %MW5.0–
%MW5.1659
Data memory used in a program.
Data is handled in 16-bit units
(one word).
Timer/counter set value
area
2)
3)
144 SV0–SV143 %MW3.0–
%MW3.143
Data memory for storing the set
values of timers or counters. The
values are stored by
timer/counter number.
Timer/counter elapsed
value area
2)
3)
144 EV0–EV143 %MW4.0–
%MW4.143
Data memory for storing the
elapsed values during operation
of timers or counters. The values
are stored by timer/counter
number.
Special data registers 112 DT90000–
DT90111
%MW5.90000–
%MW5.90111
Data memory for storing settings
and error codes.
Index registers 2 IX, IY %MW6.0–
%MW6.1
Data memory used to modify
constants and memory area
addresses.
Memory area [double words]
Available address area Type Memory
size
F/P IEC
Function
External input relays
1)
6 DWX0–DWX11 %ID0–
%ID11
Code for specifying 32 external
input points as a double word (32
bits) of data.
External output relays
1)
6 DWY0–DWY11 %QD0–
%QD11
Code for specifying 32 external
output points as a double word
(32 bits) of data.
Internal relays
2)
31 DWR0–DWR61 %MD0.0–
%MD0.61
Code for specifying 32 internal
relay points as a double word (32
bits) of data.
Data registers
2)
830 DDT0–
DDT1658
%MD5.0–
%MD5.1658
Data is handled in 32-bit units
(double word).
Timer/counter set value
area
2)
3)
72 DSV0–DSV142 %MD3.0–
%MD3.142
Data memory for storing the set
values of timers or counters. The
values are stored by
timer/counter number.
Timer/counter elapsed
value area
2)
3)
72 DEV0–DEV142 %MD4.0–
%MD4.142
Data memory for storing the
elapsed values during operation
of timers or counters. The values
are stored by timer/counter
number.
Special data registers 56 DDT90000–
DDT90110
%MD5.90000–
%MD5.90110
Data memory for storing settings
and error codes.