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• Error Occurred
Response code
1001
1002
1101
1103
110B
1100
2203
(5) Precautions
• Alarm Function
Even though alarms are not displayed on the Controller's display, they function normally in
communications.
2-3-2
Write Variable Area
This service writes data to the variable area.
• Service Request PDU
Variable
MRC SRC
type
0 1 0 2
2
2
2
• Service Response PDU
Response
MRC SRC
0 1 0 2
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 Elements
Number of elements
0000
Double word
(variable type C1 or C3)
Word
(variable type 81 or 83)
E5@D Digital Temperature Controllers Communications Manual (H225)
2 CompoWay/F Communications Procedures
Command too long
Command too short
Area type error
Start address out-of-range error
Response too long
Parameter error
Operation error
Start write
Bit
Number of
address
position
elements
0 0
4
2
4
code
4
0001 to 0018
(1 to 24)
0001 to 0030
(1 to 48)
Error name
The command is too long.
The command is too short.
The variable type is wrong.
The read start address is out of
range.
The number of elements exceeds
the maximum.
Bit position is not "00."
Non-volatile memory error
Write Data (for number
of elements)
Number of elements
× 8 or 4
Processing
The write operation is not performed (do not append write
data to the service request PDU) and processing ends in a
normal completion.
The write operation is performed and processing ends in a
normal completion.
Cause
2
2 - 9
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