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3-9
3 Data Exchange with the CPU Unit
CJ-series PROFIBUS Slave Unit Operation Manual for NJ-series CPU Unit (W510)
3-5 Dat
a Exch
ang
e with t
h
e C
P
U
Unit
3
3-
5-1 D
at
a Flow
I/O Port
Mach No #0
(10 wds)
CPU Special Unit Words
Allocated in CIO Area
CPU Unit
User program
Mach No #15
(10 wds)
PROFIBUS Slave Unit
(I/O refresh) Status
Mach No #0
(8 wds)
Mach No #15
(8 wds)
Configuration Information
(When Data Changes)
Allocated DM Area
Words for Special I/O Units
Memory areas such as
CIO, DM, WR, HR and EM
User-defined
variable
User Specified Variables
(I/O refresh)
Corresponding
device variable
for CJ-series Unit
Corresponding
device variable
for CJ-series Unit
Software Switches (I/O refresh)
CJ Unit Memory