Remote I/O And Slave Communications Specifications - Omron CJ1W-DRM21 Operation Manual

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Remote I/O and Slave Communications Specifications

Item
Allocation Fixed allo-
method cations
User-set
allocations
Max. No. of Fixed allocations
I/O points per
User-set
DeviceNet
allocations
Unit slave
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
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)
Output (OUT) area to
the slave from the
master
Input (IN) area to the
master from the
slave
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.
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
By device variables Set the areas, the first words, and slave allocation size for the OUT 1 and IN 1
for CJ-series Unit 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
32 points (1 input word, 1 output word)
By device variables 3,200 pts (100 input words, 100 output words)
for CJ-series Unit
By CX-Integrator 4,800 pts (100 input words x 2, 100 output words x 1)
5 Remote I/O Slave Communications
Specifications
I/O Size Fixed Allo-
cation Area
Setting 1
1 word 3370
1 word 3270
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
Input (IN) area to this master
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
Input (IN) area to this master
Fixed Allo- Fixed Allo-
cation Area cation Area
Setting 2 Setting 3
3570 3770
3470 3670
100 words
100 words
100 words
100 words
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