5-3
5 Remote I/O Slave Communications
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
5-1 S
la
ve
Rem
o
te I/O
C
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u
n
ication
s
5
5-1-2 R
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mote I/O and Sla
v
e C
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u
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ications Specifications
5-1-2
Remote I/O and Slave Communications Specifications
Item
Specifications
Allocation
method
Fixed allo-
cations
Select one of the following fixed allocations areas 1, 2, and 3 using
*_Sw2SlavFixAloc1Cmd
to
*_Sw2SlavFixAloc3Cmd
(Slave Fixed Allocation Setting 1 Switch to Slave Fixed Allocation Setting 3
Switch).
Allocated words (CIO
Area)
I/O
Size
Fixed Allo-
cation Area
Setting 1
Fixed Allo-
cation Area
Setting 2
Fixed Allo-
cation Area
Setting 3
Output (OUT) area to
the slave from the
master
1
word
3370 3570 3770
Input (IN) area to the
master from the
slave
1
word
3270 3470 3670
Note
Select one of the preceding areas with the use of the device variables for CJ-series Unit. All are
fixed at 1 word per node address. The default setting is Fixed Allocations Area Setting 1.
User-set
allocations
By CX-Integrator
Set the areas for the OUT 1 and IN 1/2 blocks, the first words, and the slave allo-
cation sizes with the use of the CX-Integrator.
Allocated words
The input and output areas can be the following sizes
that start from any word in any of the following areas:
CIO Area, WR Area, HR Area, DM Area, or EM Area in
the memory used for CJ-series Unit.
Output (OUT) area from this master
100 words
Input (IN) area to this master
100 words
By device variables
for CJ-series Unit
Set the areas, the first words, and slave allocation size for the OUT 1 and IN 1
blocks (total of 2 blocks) with the use of the Slave User Allocation Setup Table in
the device variables for CJ-series Unit.
Allocated words
The input and output areas can be the following sizes
that start from any word in any of the following areas:
CIO Area, WR Area, HR Area, DM Area, or EM Area in
the memory used for CJ-series Unit.
Output (OUT) area from this master
100 words
Input (IN) area to this master
100 words
Max. No. of
I/O points per
DeviceNet
Unit slave
Fixed allocations
32 points (1 input word, 1 output word)
User-set
allocations
By device variables
for CJ-series Unit
3,200 pts (100 input words, 100 output words)
By CX-Integrator
4,800 pts (100 input words x 2, 100 output words x 1)
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......