Mitsubishi Electric MELSEC Q Series Structured Programming Manual page 75

Fundamentals
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2) Index settings that cross file registers (ZR), extended data registers (D), and
extended link registers (W)
Even when an index setting that crosses file registers (ZR), extended data
registers (D), and extended link registers (W) is applied, an error does not
occur.
However, if the result of the index setting applied to file registers (ZR),
extended data registers (D) or extended link registers (W) exceeds the range
of the file register files, an error occurs. (Error code: 4101)
User program
EN
s
1234
EN
s
1234
If the result of the index setting
exceeds the range of the file
register files, an error occurs.
(5) Other applicable data
(a) Bit data
An index setting is applicable to device numbers whose digits are specified.
Note that an index setting is not applicable to the digit-specified bit device.
K4X0Z2
K4Z3X0
Even when the index setting
that crosses file register and
extended data registers (D) is
applied, an error does not occur.
MOV
Z0=0
ENO
d
D100Z0
Z0=10000
Z1=0
MOV
ENO
d
D20000Z1
Z1=4000
Even when the index setting that
crosses extended data register (D)
and extended link register (W) is
applied, an error does not occur.
Z1=10000
BIN
EN
ENO
s
d
D0
Index setting is applicable
to the device number,
If Z2=3, then (X0+3)=X3
BIN
EN
ENO
s
d
D0
Index setting is not applicable
to the digit-specified bit device.
File register file
File
register
ZR100
(8K points)
Extended data
D14196
register (D)
(8K points)
D20000
From D12288
Extended link
register (W)
W2DC0
(8K points)
From W2000
4.6 Index Setting
4
4-51

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