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2 CompoWay/F Communications Procedures
E5@D Digital Temperature Controllers Communications Manual (H225)
2-3 De
tailed
Descrip
tion
of
the
Ser
v
ices
2
2-
3-2 Wr
ite Var
iab
le Ar
ea
•
Error Occurred
(5) Precautions
•
Alarm Function
Even though alarms are not displayed on the Controller's display, they function normally in
communications.
This service writes data to the 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 Elements
Response code
Error name
Cause
1001
Command too long
The command is too long.
1002
Command too short
The command is too short.
1101
Area type error
The variable type is wrong.
1103
Start address out-of-range error
The read start address is out of
range.
110B
Response too long
The number of elements exceeds
the maximum.
1100
Parameter error
Bit position is not “00.”
2203
Operation error
Non-volatile memory error
2-3-2
Write Variable Area
Number of elements
Processing
0000
The write operation is not performed (do not append write
data to the service request PDU) and processing ends in a
normal completion.
Double word
(variable type C1 or C3)
0001 to 0018
(1 to 24)
The write operation is performed and processing ends in a
normal completion.
Word
(variable type 81 or 83)
0001 to 0030
(1 to 48)
MRC SRC
0 1 0 2
0 0
2
2
2
2
4
4
Variable
type
Start write
address
Bit
position
Number of
elements
Write Data (for number
of elements)
Number of elements
×
8 or 4
MRC SRC
0 1 0 2
2
2
4
Response
code
Summary of Contents for E5 D Series
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Page 20: ...18 E5 D Digital Temperature Controllers Communications Manual H225 ...
Page 28: ...1 Communications Methods 1 8 E5 D Digital Temperature Controllers Communications Manual H225 ...
Page 205: ...I 1 E5 D Digital Temperature Controllers Communications Manual H225 I Index ...
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