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MELSEC-Q/QnA
3 CONFIGURATION OF INSTRUCTIONS
(3) If internal user device allocation is changed by parameter device allocation, such allocations
are made in the device order indicated below:
If the allocation of the device used is less than 28.75 k words, the area following the device
used will be empty.
SM
SD
X
Y
M
L
B
F
SB
V
S
T contact and coil
ST contact and coil
C contact and coil
Present value of T
Present value of ST
Present value of C
D
W
SW
Empty area
File register
(32 k points)
Initial address
(fixed)
Empty area created when device
used is less than 28.75 k words.
REMARK
1) Refer to the User's Manual (Functions Explanation, Programming Fundamentals) of the used
CPU module or the QnACPU Programming Manual (Fundamentals), for how to change the
internal user device allocation.
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