I/O Memory Area Address Notation; I/O Memory Areas - Omron SYSMAC CP Series User Manual

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I/O Memory Area Address Notation

An I/O memory can be addressed using word addresses or bit addresses. The word addresses and bit
addresses are given in decimal format.
Word Addresses
Specifies a16-bit word.
W
I/O memory area
designator
Examples: D, A, W
Bit Addresses
A bit addresses specifies one of the 16 bits in a word.
The word number and bit number are separated with a period.
W 1
I/O memory
area designator
On the CX-Programmer, addresses in the CIO Area (including addresses for Serial PLC Links) are
given with no I/O memory area designator. "CIO" is used as the I/O memory area designator in this
manual for clarity.
Inputs begin from CIO 0
Outputs begin from CIO 100
CP2E CPU Unit Software User's Manual(W614)
1 0 0
The word number within
the area given in decimal
0 0 .
Word number Period
0 0
.
Period Bit number
(00 to 15)
0 2
Bit number
(00 to 15)
3
C
IN
CIO 0
0
5 I/O Memory
1 3 5 7 9 11
2 4 6 8 10
5
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