Appendix Programming Information
1258
Available address area Type Memory
size
FP IEC
Function
Link registers
2)
256 LD0–LD255 %MW8.0–
%MW8.255
Data memory shared by multiple
PLCs connected using PLC link.
Data is handled in 16-bit units
(one word).
Timer/counter set value
area
2)
1024 SV0–SV1023 %MW3.0–
%MW3.1023
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)
1024 EV0–EV1023 %MW4.0–
%MW4.1023
Data memory for storing the
elapsed values during operation
of timers or counters. The values
are stored by timer/counter
number.
Special data registers 440 DT90000–
DT90439
%MW5.90000–
%MW5.90439
Data memory for storing settings
and error codes.
Memory area [double words]
Available address area Type Memory
size
FP IEC
Function
External input relays
1)
55 DWX0–DWX108 %ID0–
%ID108
Code for specifying 32 external
input points as a double word (32
bits) of data.
External output relays
1)
55 DWY0–DWY108 %QD0–
%QD108
Code for specifying 32 external
output points as a double word
(32 bits) of data.
Internal relays
2)
128 DWR0–DWR254 %MD0.0–
%MD0.254
Code for specifying 32 internal
relay points as a double word (32
bits) of data.
Link relays 64 DWL0–DWL126 %MD7.0–
%MD7.126
Code for specifying 32 link relay
points as a double word (32 bits)
of data.
C10, C14,
C16
6157 DDT0–
DDT12311
%MD5.0–
%MD5.12311
Data
registers
2)
C32, T32,
F32
16382 DDT0–
DDT32761
%MD5.0–
%MD5.32761
Data memory used in a program.
Data is handled in 32-bit units
(double word).
Link registers
2)
128 DLD0–DLD126 %MD8.0–
%MD8.126
Data memory shared by multiple
PLCs connected using PLC link.
Data is handled in 32-bit units
(double word).
Timer/counter set value
area
2)
512 DSV0–DSV1022 %MD3.0–
%MD3.1022
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)
512 DEV0–DEV1022 %MD4.0–
%MD4.1022
Data memory for storing the
elapsed values during operation
of timers or counters. The values
are stored by timer/counter
number.
Special data registers 220 DDT90000–
DDT90438
%MD5.90000–
%MD5.90438
Data memory for storing settings
and error codes.