Mitsubishi Electric MELSEC iQ-F FX5 - 4.5 Index Register (Z;LZ); Types of index registers; Device for which index modification can be performed

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4 DEVICES
4.5 Index Register (Z/LZ)
4.5 Index Register (Z/LZ)
Device used for indexing of devices.
Types of index registers
There are 2 types: the index register (Z) and long index register (LZ)
Index register (Z)
Used for 16-bit index modification.
Long index register (LZ)
Used for 32-bit index modification.
Device for which index modification can be performed
The following table lists the devices that can be targeted for index modification.
Item Description
Index modification by the index register (Z) All devices
Index modification by the long index register (LZ) U\G, K, H
MOV K100 Z0
INC Z0
MOV W0 D0Z0
SM402
M10
Access D0Z0 = D100.
DMOV K50000 LZ0
DINC LZ0
MOV D0 U1\G0LZ0
SM402
M10
Access U1\G0LZ0 = U1\G50000.