Mitsubishi QJ71MB91, User Manual

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11
- 25 11.4 Error Codes
11.4.1 Error code storage area
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TROUBLESHOOTING
(7) Automatic communication setting status storage area
Whether automatic communication parameter settings are present or not is stored in
this area.
(a) Storage timing
Data are stored when the automatic communication function is started. (Only the
corresponding bit turns ON.)
(b) Clear timing
The setting status is cleared at the following timing.
1) When the automatic communication function stops (All bits turn OFF.)
2) When the power is turned off and then on again, or when the programmable
controller CPU is reset (All bits turn OFF.)
Figure 11.7 Configuration of automatic communication setting status storage area
b5 b4 b3 b2 b1 b0
32 31 30 29 28 27 22 21 20 19 18 17
. . .
16 15 14 13 12 11 6 5 4 3 2 1
. . .
b5 b4 b3 b2 b1 b0
32 31 30 29 28 27
22 21 20 19 18 17
. . .
16 15 14 13 12 11 6 5 4 3 2 1
. . .
. . .
. . .
b15 b13 b12 b11 b10 b14
b15 b13 b12 b11 b10 b14
(CH1 Automatic communication setting status storage area)
(CH2 Automatic communication setting status storage area)
0CA8
H
0CA9
H
0CAA
H
0CAB
H
Number indicates that of automatic
communication parameter.
0: Automatic communication parameter
not set
1: Automatic communication parameter set