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