Omron CJ1W-DRM21 Operation Manual page 143

Fixed Allocations
You can use *_Sw1MstrFixAloc1Cmd to *_Sw1MstrFixAloc3Cmd (Master Fixed Allocation Setting 1 to
3 Switch) to specify where a slave is allocated in the following fixed allocation areas 1 to 3. The output
(OUT) block and the input (IN) block are allocated to a certain area as shown below in the order of node
address.
To access the allocated area from the user program, a user-defined variable that specifies the AT spec-
ification of that area needs to be defined.
User program
Master Fixed Allocation
Setting 1 Switch
User-defined
variable
Master Fixed Allocation
Setting 2 Switch
User-defined
variable
Master Fixed Allocation
Setting 3 Switch
User-defined
variable
Specify using master fixed
allocation setting switches 1-3.
Words are allocated to slaves that start from address 0 in the output (OUT) and input (IN) blocks. Each
address is allocated at least one byte (rightmost).
• More than one word is allocated for each slave (according to its node address) with more than16
I/O points.
• The rightmost byte of the word is allocated to each slave that has 8 I/O points or less.
User-set Allocations
The following methods are used for user-set allocations:
• Using the CX-Integrator
• Using the device variable for CJ-series Unit (Master User-set Allocations Setup Table)
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
NJ Series
Memory used for CJ-series Unit
CIO 3200 Output
(OUT)
block 1
CIO 3263
CIO 3300 Input
(IN)
block 1
CIO 3363
CIO 3400 Output
(OUT)
block 2
CIO 3463
CIO 3500 Input
(IN)
block 2
CIO 3563
Output
CIO 3600
(OUT)
block 3
CIO 3663
CIO 3700 Input
(IN)
block 3
CIO 3763
4 Remote I/O Master Communications
CIO 3200 Address 0
CIO 3201 Address 1
: :
CIO 3262 Address 62
CIO 3263 Address 63
CIO 3300
Address 0
CIO 3301 Address 1
: :
CIO 3362 Address 62
CIO 3363 Address 63
CIO 3400 Address 0
CIO 3401 Address 1
: :
CIO 3462 Address 62
CIO 3463 Address 63
CIO 3500 Address 0
CIO 3501 Address 1
: :
CIO 3562 Address 62
CIO 3563 Address 63
CIO 3600 Address 0
CIO 3601 Address 1
: :
CIO 3662 Address 62
CIO 3663 Address 63
CIO 3700 Address 0
CIO 3701 Address 1
: :
CIO 3762 Address 62
CIO 3763
Address 63
4
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