Omron CS1W-NC113 - REV 02-2008, Manual

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4-5 Section Operating Data Area
87
operating data area designation (word m), the beginning word, l, of the operating
data area will be determined by the setting of word m+1, which specifies the
beginning word of operating data area.
Example 1:
Example 2:
m 0 0 0 D
m+1 1 F 4 0 (1F40 Hex=8000)
I=D8000
m 0 2 0 E
m+2 3 A 9 8 (3A98 Hex=15000)
I=E2_15000
The operating data area is divided into an area for data that is output from the
CPU Unit to the PCU and an area for data that is input from the PCU to the CPU
Unit. The memory allocation of the operating data area is shown in the following
tables. For more details, refer to the section on the relevant function.
Operating Data Area
Common to All Axes
I/O Words Name Operation Reference
Output (CPU
Unit to PCU)
I
Operating data for
data transfer
Number of
write words
Specifies the number of words written
from the CPU Unit to the PCU.
Section 5
Transferring and
U o CU)
I+1
da a a s e
Write
source area
Specifies the area containing the data
to be written from the CPU Unit to the
PCU.
a s e g a d
Saving Data
I+2 Write
source word
Specifies the beginning word of the
data to be written from the CPU Unit
to the PCU.
I+3 Write
destination
address
Specifies the address in the PCU to
which the data is to be written.
I+4 Number of
read words
Specifies the number of words to be
read from the PCU to the CPU Unit.
I+5 Read
source
address
Specifies the address in the PCU from
which the data is to be read.
l+6 Read
destination
area
Specifies the area used to output the
data read from the PCU.
l+7 Read
destination
word
Specifies the word used to output the
data read from the PCU.