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2 CompoWay/F Communications Procedures
(4) Response Code
• Normal Completion
Response code
0000
• Error Occurred
Response code
1002
1101
110B
1100
2203
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
Variable
MRC SRC
type
0 1 1 3
2
2
2
• Service Response PDU
MRC SRC
Response
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)
Write data length
For double word (variable type C1 or C3)
For word (variable type 81 or 83)
Note: The following table gives the maximum number of write data items when double-word data and word data
are used together.
2 - 12
Normal completion
Error name
Command too short
Area type error
Response too long
Parameter error
Operation error
Bit
Write
position
address
0 0
4
2
Number of elements ×8 or 4
Write
Variable
address
type
2
code
4
Name
No errors were found.
The command is too short.
The variable type is wrong.
The number of elements exceeds
the maximum.
Bit position is not "00."
Non-volatile memory error
Write data
Bit
Write data
position
0 0
4
2
Number of elements ×8 or 4
Number of write data items
12 max.
17 max.
E5@D Digital Temperature Controllers Communications Manual (H225)
Description
Cause
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