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APPENDICES
MELSEC·A
I
Table 3.1 List of Special Registers (Continued)
Related
Related
Number
Name
Stored
Explanation
Specla'
Special
Data
Relay.
Reglste...
The error code number of faulty remote terminal module
is stored when M 9060 is switched ON.
The storage areas for remote terminal module error code
numbers are at shown below.
09180
Remote terminal No.1
\
0918'
Remote terminal No.2
09189
Remote
Station numbers for remote
terminal
D9182
Remote terminal No.3
termlna modules No.1 to
to
module
No. 14 are set with 09021
09021
09193
0: Normal
,
to
09034.
Moo60
to
error
09034
code
09192
Remote terminal No. 13
number
D9193
Remote terminal No. 14
1/
Error code is cleared in the following cases.
• When the RUN key switch is moved from STOP to
RUN.
(09180 to D9183 are all cleared)
• When Yn4 of each remote terminal module is
switched from OFF to ON.
Set the bit which corresponds to the faulty station at
"1". (The bit which corresponds with the faulty station
becomes "1" when normal communication can not be
restored within preset number of retries set with 09174).
With automatic return enabled, such corresponding bit is
rest to "0" when normal communication is restored.
Data structure
0:
09196
Faulty
Normal
Address b15 b14 b13 b12 b11 b10 b9
be
b7
be
b5
b.
b3
b2
b1
be
to
station
1:
M9067
09074
09199
detection
Com-
D9196
ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST.
munication
16
'5
1.
'3
12
11
'0
6
7
6
5
3
2
,
ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST.
fault
09197
32 3'
30
2. 2.
27
2. 25
2' 23
22
2'
20
,. ,.
17
D9198
ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST.
48
.7 48
45
44
43
.2
.,
40
3.
3.
37
38
35
3. 33
D9199
ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST. ST.
6' 63
62
6'
60
5.
56
57
ee
55
5.
53
52 51
50
49
At the remote I/O module fuse blow detection, its
corresponding bit is set at "1".
APP -19

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