![background image](http://html1.mh-extra.com/html/omron/cj1w-drm21/cj1w-drm21_operation-manual_742341132.webp)
3 Data Exchange with the CPU Unit
3-56
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
The I/O areas in the Memory for CJ-series Units specified here for the slave OUT 1 area and slave IN 1
area are used if the slave function is enabled with
*_Sw2SlavAlocCmd
(Slave User Allocations Switch).
You can update I/O allocations for the slaves by setting this table and changing
*_Sw2SlavAlocCmd
(Slave User Allocations Switch) to TRUE. The Unit restarts automatically and starts operating with the
scan list enabled.
z
Areas and Word Ranges
3-3-3
Slave User-set Allocations Setup Table
Name of device variable for
CJ-series Unit
Type
R/W
Area
Function
*_SlavAlocTblCfg[0]
UINT
RW
Slave OUT
1 area
Specifies the OUT 1 area.
Data range: 0 to 20
Default: 0
*_SlavAlocTblCfg[1]
UINT
RW
First word in
Slave OUT
1 area
Specifies the first word in the OUT 1 area.
Data range: 0 to 32767
Default: 0
*_SlavAlocTblCfg[2]
UINT
RW
OUT 1 area
size
Specifies the size of the OUT 1 area. Unit
is in bytes.
The OUT 1 area is not allocated when the
value is 0.
Possible range of variables: 0 to 200
Default: 0
*_SlavAlocTblCfg[3]
UINT
RW
Slave IN 1
area
Specifies the IN 1 area.
Data range: 0 to 20
Default: 0
*_SlavAlocTblCfg[4]
UINT
RW
First word in
Slave IN 1
area
Specifies the first word in the IN 1 area.
Data range: 0 to 32767
Default: 0
*_SlavAlocTblCfg[5]
UINT
RW
IN 1 area
size
Specifies the size of the IN 1 Area. Unit is
in bytes.
The IN 1 Area is not allocated when the
value is 0.
Data range: 0 to 200
Default: 0
*_SlavAlocTblCfgSta
WORD
R
Setting
Results of
Slave User-
set Alloca-
tions Setup
Stores the Setting Results of Slave User-
set Allocations Setup.
Data range: 16#0000 to FFFF
Default: 16#0000
Code
Area name in memory for CJ-series Unit
Word range
0
---
The area is not used.
1
CIO Area (CIO)
0 to 6143
3
Data Memory (DM)
0 to 32767
4
Work Area (WR)
0 to 511
5
Holding Area (HR)
0 to 511
8 to 20
Expansion Data Memory (EM)
Bank 0 to bank C (13 banks)
0 to 32767 (E0_00000 to E0_32767, ...,
EC_00000 to EC_32767) for all banks
Содержание CJ1W-DRM21
Страница 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 214: ...6 Message Communications 6 26 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Страница 349: ......