Section 3
Data Exchange with the CPU Unit
3-1
Data Exchange with the CPU Unit.......................................................................................... 3-2
3-1-1
Data Flow.................................................................................................................................... 3-2
3-1-2
3-2
3-2-1
Software Switches 1 ................................................................................................................... 3-9
3-2-2
3-2-3
Master COS Send Switches ..................................................................................................... 3-23
3-2-4
3-2-5
Unit Status 1 ............................................................................................................................. 3-25
3-2-6
Unit Status 2 ............................................................................................................................. 3-30
3-2-7
Master Status 1......................................................................................................................... 3-33
3-2-8
Master Status 2......................................................................................................................... 3-38
3-2-9
Slave Status 1........................................................................................................................... 3-39
3-2-10
Slave Status 2........................................................................................................................... 3-45
3-2-11
Registered Slave Table ............................................................................................................. 3-46
3-2-12
Normal Slave Table................................................................................................................... 3-47
3-2-13
3-3
3-3-1
3-3-2
3-3-3
3-3-4
3-3-5
3-3-6
3-3-7
Slave Detailed Status ............................................................................................................... 3-61
Section 4
4-1
4-1-1
Allocations .................................................................................................................................. 4-2
4-1-2
4-1-3
4-1-4
4-2
Scan List................................................................................................................................. 4-11
4-2-1
Scan List ................................................................................................................................... 4-11
4-2-2
4-2-3
Backing Up the Scan List.......................................................................................................... 4-13
4-3
Fixed Allocations ................................................................................................................... 4-14
4-3-1
Allocated Words........................................................................................................................ 4-14
4-3-2
Allocation Procedures............................................................................................................... 4-15
4-3-3
4-3-4
Fixed Allocations Example........................................................................................................ 4-19
4-4
User-set Allocations .............................................................................................................. 4-20
4-4-1
4-4-2
4-5
4-5-1
4-5-2
4-5-3
4-6
4-7
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
CONTENTS
13