Mitsubishi QJ71MB91, User Manual

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- 23 11.4 Error Codes
11.4.1 Error code storage area
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TROUBLESHOOTING
(c) Error device type to be stored
The following values are stored to show the error device type when the
MODBUS device assignment parameter setting, error completed (X9) turns ON.
(5) Automatic communication operation status storage area
The operation statuses of the automatic communication function are stored in bit
format in correspondence with automatic communication parameters 1 to 32.
The operation statuses are stored in the relevant bit positions, from low-order to high-
order bits, in order of automatic communication parameters 1 to 32.
Table11.12 Device type to be stored
Error, device type Value to be stored
Coil 0001
H
(1)
Input 0002
H
(2)
Input register 0004
H
(4)
Holding register 0005
H
(5)
Figure 11.5 Configuration of automatic communication function operation status storage area
b15 b13 b12 b11 b10 b14
16 15 14 13 12 11
b5 b4 b3 b2 b1 b0
32 31 30 29 28 27
22 21 20 19 18 17
. . .
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
(CH1 Automatic communication operation status storage area)
(CH2 Automatic communication operation status storage area)
0C20
H
0C21
H
0C22
H
0C23
H
Number indicates number of automatic
communication parameter.
0: Operating normally/automatic communication parameter not
set/automatic communication function stopped
1: Automatic communication error occurred