3 Data Exchange with the CPU Unit
3-60
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
You can access the slave block settings in the Slave User-set Allocations Reference Table. You can use
a maximum of two OUT and two IN areas (OUT 1, IN 1, OUT 2, and IN 2 areas) for slave communica-
tions and you can access their area and size in the table.
The OUT 1 and IN 1 areas and their sizes can be referenced if CX-Integrator is not being used.
3-3-6 Slave User-set Allocations Reference Table
Name of device variable for
CJ-series Unit
Type R/W Area Function
*_SlavAlocRefTblSta[0] UINT R Slave OUT
1 area
Stores the OUT 1 area.
Data range: 0 to 20
Default: 0
*_SlavAlocRefTblSta[1] UINT R First word in
Slave OUT
1 area
Stores the first word for OUT 1 area.
Data range: 0 to 32767
Default: 0
*_SlavAlocRefTblSta[2] UINT R Slave OUT
1 area size
Stores the size of OUT 1 area.
The OUT 1 block is not allocated if the
value is 0.
Data range: 0 to 200
Default: 0
*_SlavAlocRefTblSta[3] UINT R Slave IN 1
area
Stores the IN 1 area.
Data range: 0 to 20
Default: 0
*_SlavAlocRefTblSta[4] UINT R First word in
Slave IN 1
area
Stores the first word for IN 1 area.
Data range: 0 to 32767
Default: 0
*_SlavAlocRefTblSta[5] UINT R Slave IN 1
area size
Stores the first word for IN 1 area.
The OUT 1 block is not allocated if the
value is 0.
Data range: 0 to 200
Default: 0
*_SlavAlocRefTblSta[6] UINT R Slave OUT
2 area
Stores the OUT 2 area.
Data range: 0 to 20
Default: 0
*_SlavAlocRefTblSta[7] UINT R First word in
Slave OUT
2 area
Stores the first word for OUT 2 area.
Data range: 0 to 32767
Default: 0
*_SlavAlocRefTblSta[8] UINT R Slave OUT
2 area size
Stores the size of OUT 2 area.
The OUT 1 block is not allocated if the
value is 0.
Data range: 0 to 200
Default: 0
*_SlavAlocRefTblSta[9] UINT R Slave IN 2
area
Stores the IN 2 area.
Data range: 0 to 20
Default: 0
*_SlavAlocRefTblSta[10] UINT R First word in
Slave IN 2
area
Stores the first word for IN 2 area.
Data range: 0 to 32767
Default: 0
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