I/O Memory Areas; I/O Memory Area Structure - Omron SYSMAC CS1D-PD Series Operation Manual

I/O Memory Areas

8-2

I/O Memory Areas

8-2-1

I/O Memory Area Structure

Area Size
CIO I/O Area 5,120
Area bits (320
words)
Data Link 3,200
Area bits (200
words)
CPU Bus 6,400
Unit Area bits (400
words)
Special I/O 15,360
Unit Area bits (960
words)
Inner Board 1,600
Area bits (100
words)
CS-series 9,600
DeviceNet bits (600
Area words)
Internal I/O 37,504
Areas bits
(2,344
words)
4,800
bits (300
words)
Work Area 8,192
bits (512
words)
Holding Area(See 8,192
note 3.) bits (512
words)
Auxiliary Area 15,360
bits (960
words)
TR Area 16 bits
The following table shows the basic structure of the I/O Memory Area.
Range Exter- Bit
nal I/O access
alloca-
tion
CIO 0000 Basic I/O OK
to Units
CIO 0319
(See note
1.)
CIO 1000 Data link OK
to
CIO 1199
CIO 1500 CPU Bus OK
to Units
CIO 1899
CIO 2000 Special OK
to I/O Units
CIO 2959
CIO 1900 Inner OK
to Boards
CIO 1999
CIO 3200 Device- OK
to Net
CIO 3799 Slaves
CIO 1200 --- OK
to
CIO 1499
CIO 3800
to
CIO 6143
W000 to --- OK
W511
H000 to --- OK
H511
A000 to --- OK
A447
A448 to
A959
TR0 to --- OK
TR15
Word Access
access
Read Write
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK OK
OK OK No
OK
--- OK OK
Section 8-2
Change Status at Forcing
from startup bit sta-
Pro- or mode tus
gram- change
ming
Device
OK Cleared OK
(See note
2.)
OK OK
OK OK
OK OK
OK OK
OK OK
OK OK
OK OK
OK Main- OK
tained
No Varies No
from
address
OK
to
address.
No Cleared No
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