3 Data Exchange with the CPU Unit
3-20
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Name of device variable for
CJ-series Unit
Type
R/W
Area
Function
*_Sw2SlavFixAloc1Cmd
BOOL
RW
Slave Fixed
Allocation
Setting 1
Switch
<Operation specifications>
FALSE
→
TRUE:
Sets the Slave Fixed Allocation Area to
the following words.
•
OUT 1 area (input to the CPU Unit):
CIO 3370 (1 word allocated)
•
IN 1 area (output from the CPU Unit):
CIO 3270 (1 word allocated)
•
OUT 2 area: Not used
•
IN 2 area: Not used
Note 1
Disable slave communications
before this switch is changed to
TRUE.
After this switch is changed to
TRUE, change
*_Sw2SlavEnblCmd
(Slave Enable Switch) to TRUE to
enable Fixed Allocation.
2
This is the default setting for the
Unit.
3
The words allocated by this switch
are used as the I/O area for the
slave. (Use
*_Sw2SlavEnblCmd
(Slave Enable Switch).)
FALSE:
Returns to FALSE after fixed allocations
are set.
Default: FALSE
<Operation conditions>
•
CPU Unit is operating in PROGRAM
mode.
•
Slave function is stopped.
*_Sw2SlavFixAloc2Cmd
BOOL
RW
Slave Fixed
Allocation
Setting 2
Switch
Functions the same as
*_Sw2SlavFixAloc1Cmd_DRM2
(Slave
Fixed Allocation Setting 1 Switch).
Sets the Slave Fixed Allocation Area to
the following words.
•
OUT 1 area (input to the CPU Unit):
CIO 3570 (1 word allocated)
•
IN 1 area (output from the CPU Unit):
CIO 3470 (1 word allocated)
•
OUT 2 area: Not used
•
IN 2 area: Not used
*_Sw2SlavFixAloc3Cmd
BOOL
RW
Slave Fixed
Allocation
Setting 3
Switch
Functions the same as
*_Sw2SlavFixAloc1Cmd_DRM2
(Slave
Fixed Allocation Setting 1 Switch).
Sets the Slave Fixed Allocation Area to
the following words.
•
OUT 1 area (input to the CPU Unit):
CIO 3770 (1 word allocated)
•
IN 1 area (output from the CPU Unit):
CIO 3670 (1 word allocated)
•
OUT 2 area: Not used
•
IN 2 area: Not used
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: ......