9-30 9. MITSUBISHI ELECTRIC
Available Device Memory
The available setting range of device memory varies depending on the PLC model. Be sure to set within the range available for
the PLC to be used. Use [TYPE] when assigning indirect device memory for macro programs.
*1 The unit number is required in addition to the device type and address. To set the device memory address on the editor for the link unit
which has byte-addressable memory, convert the address into word address.
For the unit number, set the decimal number of “XXX” included in the station I/O number “xxx0 H” of the link unit. For more information,
refer to page 9-16.
Device Memory TYPE Remarks
D(data register) 00H
W(link register) 01H
R (file register) 02H
TN (timer/current value) 03H
CN (counter/current value) 04H
SPU (special unit buffer memory) 05H *1
M(internal relay) 06H
L (latch relay) 07H
B (link relay) 08H
X(input) 09H
Y(output) 0AH
TS (timer/contact) 0BH
TC (timer/coil) 0CH
CS (counter/contact) 0DH
CC (counter/coil) 0EH
H (link unit buffer memory) 0FH
SD (special register) 10H
SM (special relay) 11H
SB (special link relay) 12H
SW (special link register) 13H
ZR (file register (for continuous access)) 14H
F (annunciator) 15H
SS (totalizing timer/contact) 16H
SC (totalizing timer/coil) 17H
SN (totalizing timer/current value) 18H
Z (index register) 19H
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