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2) Universal model QCPU
The device range is checked. When the device number is outside the device
range, an operation error occurs.
For example, when12 k points are assigned to a data register, an error occurs
if the device number of the data register exceeds D12287.
The device range is checked even though indexing is executed.
With changing the settings of the PLC parameter on GX Developer, the device
range is not checked.*
2
*2: For changing the settings of the PLC parameter on GX Developer, refer to the following manual.
• QCPU User's Manual (Function Explanation, Program Fundamentals)
(b) Instructions for a block of devices, including BMOV and FMOV
1) CPUs other than Universal model QCPU
The device range is checked.
When the device number is outside the device range, an operation error
occurs.
For example, when 12 k points are assigned to a data register, an error occurs
if the device number of the data register exceeds D12287.
Device range checks are also conducted when indexing is performed.
However, if indexing has been conducted, there will be no error returned if the initial device
number exceeds the relevant device range.
DMOVK100 D12287
When D12287 is specified with the DMOV instruction
,
the target devices are D12287 and D12288.
However, an operation error occurs because D12288
does not exist.
D0 D12287
K2
BMOV
This designates D12287 and D12288 as the
target devices for executing the BMOV instruction.
However, since D12288 does not exist,
an operation error occurs.
D0 D12285Z1
K2
BMOV
D0 D12287Z1 K2BMOV
K2 Z1MOV
When D12287 is specified with the BMOV instruction,
the target devices are D12287 and D12288.
However, an operation error occurs because D12288
does not exist.
An operation error occurs since head device number
is D12289 that exceeds the device range.