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Master Remote I/O Communications Section 4-1
4-1-2 Remote I/O Master Specifications
Item Specifications
Slave alloca-
tion methods
Fixed allo-
cations
Select one of the following fixed allocation areas using the Fixed Allocated Area Switches 1,
2, and 3 in the software switches in the allocated CIO Area words.
Allocated
words (CIO
Area)
I/O Size Fixed Alloca-
tion Area Set-
ting 1
Fixed Alloca-
tion Area Set-
ting 2
Fixed Alloca-
tion Area Set-
ting 3
Output
(OUT) area
64 words 3200 to 3263 3400 to 3463 3600 to 3663
Input (IN)
area
64 words 3300 to 3363 3500 to 3563 3700 to 3763
Select one of the above areas using the software switches. All are fixed at 1
word per node address. The default setting is Fixed Allocation Area Setting
1.
User-set
allocations
By allocated
DM Area
words
Set the areas and the first words for the OUT 1 and IN 1 blocks in the scan
list Setup Table in the allocated DM Area words. Set the allocation size for
each slave using the allocation size Setup Table (any words). Allocations
must be in the order of node addresses.
Allocated
words
The input and output areas can be the following sizes starting
from any word in any of the following areas: CIO Area, WR
Area, HR Area, DM, Area, or EM Area.
Output (OUT)
area
500 words max. × 1 block
Input (IN)
area
500 words max. × 1 block
By Configu-
rator
Set the areas for the OUT 1/2 and IN 1/2 blocks, the first words, and the allo-
cation sizes for all slaves using the Configurator. Blocks can be set for nodes
in any order.
Allocated
words
The input and output areas can be the following sizes starting
from any word in any of the following areas: CIO Area, WR
Area, HR Area, DM, Area, or EM Area.
Output (OUT)
area
500 words max. × 2 blocks
Input (IN)
area
500 words max. × 2 blocks
No. of Mas-
ters that can
be mounted
Fixed allocations 3 Units max. (Unique words must be allocated using the Allocated CIO Area
Words Software Switches.)
User-set
allocations
By allocated
DM Area
words
16 Units max. (Unique words must be allocated using the user Setup Table in
the allocated DM Area words.)
By Configu-
rator
16 Units max. (Unique words must be allocated using the Configurator.)
Max. No. of
slaves con-
nected per
DeviceNet Unit
Fixed allocations 63 nodes
User-set
allocations
By allocated
DM Area
words
By Configu-
rator
Max. No. of I/O
points per
DeviceNet Unit
Fixed allocations 2,048 pts (64 input words, 64 output words)
User-set
allocations
By allocated
DM Area
words
16,000 pts (500 input words x 1 block, 500 output words x 1 block)
By Configu-
rator
32,000 pts (500 input words x 2 blocks, 500 output words x 2 blocks)