3 Data Exchange with the CPU Unit
3-6
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
From the user program, the following is used to exchange various types of information:
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 Variable for CJ-series Unit
In the explanations from here on, the device name automatically created is used as the device variable
name for CJ-series Unit, for example
*_EnblCANComm
.
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
Communication Enable, Status, Number
of Delayed Messages
Operation Data
Device variables
for CJ-series Unit
Memory Areas
Send triggers area
Any area of CIO, DM, WR, HR and EM
User-defined vari-
ables
Receive flags area
Output buffers area
Input buffers area
How to Create Device Variables for CJ-series Unit
*_EnblCANComm
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.
Содержание CJ1W-CORT21
Страница 2: ......
Страница 116: ...5 Communications Timing 5 10 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517...
Страница 134: ...6 Troubleshooting and Maintenance 6 18 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517...
Страница 140: ...Appendices A 6 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517...
Страница 141: ...Index 1 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 I Index...
Страница 144: ...Index 4 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 Index...