Composite Write To Variable Area - Omron E5C-T Series Communications Manual

2 CompoWay/F Communications Procedures
Response code
2-3-4

Composite Write to Variable Area

This service writes in order the contents of specified addresses to a variable area.
• Service Request PDU
MRC SRC
0 1 1 3
2 2
• Service Response PDU
MRC SRC
0 1 1 3
2 2
(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 Address + Bit Position + Write Data
Counted As 1 Item)
Double word (variable types C1, C3, C4, C5, C9, or DA) 12 max.
Word (variable types 81, 83, 84, 85, 89, or 9A)
Note: The following table gives the maximum number of write data items when double-word data and word data
are used together.
Double word
(variable types C1,
C3, C4, C5, C9, or
DA)
12
12
11
10
9
9
2 - 12
1101 Area type error
Response too long
110B
1100 Parameter error
2203 Operation error
Bit
Write
Variable
position
address
type
0 0
Number of elements ×8 or 4
2 4 2
Variable
type
2
Response
code
4
Write data length
Composite Write
Word
(variable types 81,
83, 84, 85, 89, or 9A)
0
1
2
3
4
5
E5C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)
Error name
The variable type is wrong.
The number of elements exceeds
the maximum.
Bit position is not "00."
Non-volatile memory error
Write data
Write
Bit
Write data
address
position
0 0
Number of elements ×8 or 4
4 2
Number of write data items
17 max.
Composite Write
Double word
(variable types C1,
(variable types 81,
C3, C4, C5, C9, or
83, 84, 85, 89, or 9A)
DA)
5
4
3
3
2
1
Cause
Word
10
11
12
13
14
15