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Additional Information: Allocation State of Blocks 1 and 2
The product name of the device to which memory is allocated in each area and the first CPU Unit word allo-
cated are displayed in the Allocation State List for the blocks.
The first bit that is allocated is given in the Ch column. The word address is given first followed by the first bit.
Example:
Example:
CPU Unit words are not displayed in unused memory block.
Changing the I/O Block Start Word
Setup Button on the I/O Allocation Tab Pages (Device - Parameter - Edit)
Use the following procedure to change the allocation areas for the I/O blocks in CPU Unit I/O memory.
1.
Click the Setup Button of the block to change.
2.
The following dialog box will be displayed.
3.
Set the Area, Start Word, and Words.
For the Words, set the number of words displayed by the Network Configurator. The maximum number
of words that can be allocated for one block is 500.
The setting ranges are as follows:
PLC model
CS Series
CJ Series
Banks 0 to12 can be used for the EM Area.
Note: – The number of words of a block displayed on the Network Configurator is set for Words. This value
is not downloaded to the master.
– If the number of allocated words in 1 block is 100 or less, the number of words will be displayed as
100 words when uploading.
4.
Click the OK Button to change the memory block.
If memory has already been allocated to devices, is will be re-allocated in the new memory block. If the
area is exceeded, however, the corresponding device allocation will be deleted. Allocate memory again.
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"3300: Bit 00" indicates that the first allocated bit is bit 00 of CIO 3300 (i.e., the allocation
starts from the low byte).
"3300: Bit 08" indicates that the first allocated bit is bit 08 of CIO 3300 (i.e., the allocation
starts from the high byte).
Word address (e.g., CIO 3300)
First bit address (e.g., bit 00)
Memory area
CIO Area
DM Area
Work Area
Holding Area
EM Area
Example: Allocation starts with bit 00 (LSB) of
CIO 3300.
Product name of the slave
The byte starting with bit 08 of CIO 3300 is also
allocated to the device with node address #2, so this
cell is left blank.
Range
0000 to 6143
D0000 to D8191
W000 to W511
H000 to H511
E00000 to E32767
B Editing CS/CJ-series DeviceNet Unit Parameters
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