Omron E5AC, Communications Manual

Page: 44 / 224

2 CompoWay/F Communications Procedures
2 - 12
E5@C Digital Temperature Controllers Communications Manual (H175)
This service writes in order the contents of specified addresses to a variable area.
• Service Request PDU
• Service Response PDU
(1) Variable Type and Write Start Address
For details on variable types and write start addresses, refer to
Section 3 Communications Data for
CompoWay/F
.
(2) Bit Position
Bit access is not supported. Fixed to “00.”
(3) Number of Write Data Items (Variable Type + Write A Bit Po Write Data
Counted As 1 Item)
Note: The following table gives the maximum number of write data items when double-word data and word data
are used together.
2-3-4 Composite Write to Variable Area
Write data length Number of write data items
For double word (variable type C0, C1, or C3) 12 max.
For word (variable type 80, 81, or 83) 17 max.
Composite Write Composite Write
Double word
(variable type C0,
C1, or C3)
Word
(variable type 80,
81, or 83 )
Double word
(variable type C0,
C1, or C3)
Word
(variable type 80,
81, or 83)
12 0 5 10
12 1 4 11
11 2 3 12
10 3 3 13
9 4 2 14
9 5 1 15
8 6 0 16
7 7 0 17
6 8
6 9
2 2
MRC SRC
0 1 1 3
0 0
2 2 4
0 0
2 2 4
Variable
type
Write
address
Variable
type
Write data
Write data
Write
address
Bit
position
Bit
position
Number of elements
×
8 or 4
Number of elements
×
8 or 4
MRC SRC
0 1 1 3
2 2 4
Response
code