2 - 11
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
2-3-3 C
omposite R
ead from V
ar
iab
le Area
Note: The read data is read together with the variable type in the order specified by the command.
(1) Variable Type and Read Start Address
For details on variable types and read start addresses, refer to
Section 3 Communications Data for
.
(2) Bit Position
Bit access is not supported. Fixed to “00.”
(3) Number of Read Data Items (Variable Type + Read Data + Bit Position Counted As 1 Item)
Note: The following table gives the maximum number of read data items when double-word data and word data are
used together.
(4) Response Code
•
Normal Completion
•
Error Occurred
Read data length
Number of read data items
Double word (variable types C0, C1, C3, C4, C5, C9, or DA)
20 max.
Word (variable types 80, 81, 83, 84, 85, 89, or 9A)
25 max.
Composite Read
Composite Read
Double word
(variable types C0,
C1, C3, C4, C5, C9,
or DA)
Word
(variable types 80,
81, 83, 84, 85, 89, or
9A)
Double word
(variable types C0,
C1, C3, C4, C5, C9,
or DA)
Word
(variable types 80,
81, 83, 84, 85, 89, or
9A)
20
0
11
14
19
1
10
15
18
2
9
16
18
3
8
17
17
4
7
18
17
5
6
19
16
6
8
20
15
7
4
21
15
8
3
22
14
9
2
23
14
10
1
24
13
11
0
25
12
12
12
13
Response code
Name
Description
0000
Normal completion
No errors were found.
Response code
Error name
Cause
1002
Command too short
The command is too short.
2
2
MRC
SRC
0
1
0
4
4
2
2
V
aria
b
le
type
Response
code
V
aria
b
le
type
Read data
Nu
m
b
er of elements
×
8
or 4
Read data
Nu
m
b
er of elements
×
8
or 4
Summary of Contents for E5CC-T
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