Omron CJ1W-DRM21 - Page 81

3-5
3 Data Exchange with the CPU Unit
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
3-1 Data Exchange with the CPU Unit
3
3-1-2 Accessing From the User Program
Use I/O Map in Sysmac Studio to allocate device variables for CJ-series Unit to an I/O port. Specify
variable names using one of the methods shown below.
1. Select and allocate existing variables.
2. Input a new variable name.
3. Automatically create with "Create Device Variable".
The following shows the structure of a variable name created automatically with method 3.
For details on device variables for CJ-series Unit, refer to the following:
3-2 Device Variables for CJ-series Unit (Software Switches, Statuses)
3-3 Device Variables for CJ-series Unit (Allocations Setting Table, Slave Detailed Status)
In the explanations from here on, the device name automatically created is used as the device vari-
able name for CJ-series Unit, for example *_Sw1SListEnblCmd.
For details on the memory for CJ-series Unit, refer to NJ-series CPU Unit Software User's Manual
(Cat. No. W501).
Data type I/O port, memory used for CJ-series Unit Access method
Setting/status Software switches/sta-
tus data
Operation Data Device variables
for CJ-series Unit
Allocations setting
table, slave detailed
status
Slave area Fixed allocation 1 to 3 Fixed allocation 1 OUT: CIO 3200 to CIO
3263 words
IN: CIO 3300 to CIO 3363
words
User-defined vari-
able
Fixed allocation 2 OUT: CIO 3400 to CIO
3463 words
IN: CIO 3500 to CIO 3563
words
Fixed allocation 3 OUT: CIO 3600 to CIO
3663 words
IN: CIO 3700 to CIO 3763
words
User-set allocation
(By master user-set
allocation)
Any area of CIO, DM, WR, HR and EM
User-set allocation
(By CX-Integrator)
Same as above
How to Create Device Variables for CJ-series Unit
*_Sw1SListEnblCmd
This is an I/O port name. The name indicates unit
functions, statuses and parameters.
This is the device name when this unit is registered in
the Unit Configuration. (By default, a device name is
assigned from "J01" in the order of registration in the
Unit Configuration. ) This identifies the individual unit.