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2 CompoWay/F Communications Procedures
E5
C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)
2-3 Detailed D
escription
of the Ser
v
ices
2
2-3-2 Wr
ite V
ar
iab
le Area
•
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 PD
•
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
.
(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 types C1, C3, C4, C5,
C9, or DA)
0001 to 0018
(1 to 24)
The write operation is performed and processing ends in a
normal completion.
Word
(variable types 81, 83, 84, 85, 89,
or 9A)
0001 to 0030
(1 to 48)
MRC
SRC
0
1
0
2
0
0
2
2
2
2
4
4
V
aria
b
le
type
Start
w
rite
address
Bit
position
Nu
m
b
er of
elements
W
rite Data (for n
u
m
b
er
of elements)
Nu
m
b
er of elements
×
8
or 4
MRC
SRC
0
1
0
2
2
2
4
Response
code
Summary of Contents for E5CC-T
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