Mitsubishi QJ71MB91, User Manual

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11
TROUBLESHOOTING
11.4 Error Codes
11.4.3 Error code list
11
- 36
9
P
R
OGRAM
M
ING
10
D
E
DICA
TED
INSTRUC
TI
ONS
11
TR
O
U
BLE
S
HOOTING
A
P
P
E
NDICE
S
INDE
X
Table11.16 Error code list (Continued)
(Continued on next page)
Error code Error Name Error definition Corrective Action
Occurrence
1) 2) 3) 4) 5)
7383
H
(29571)
MODBUS device
specification error
The MODBUS device assignment
parameters have not been set for the
MODBUS device specified in the
received request message.
The MODBUS device assignment
parameter setting is in process.
• Set the MODBUS device
assignment parameters for the
MODBUS device specified in the
request message.
• Adjust the timing for the request
message transmission on the master
side so that communication is started
after the MODBUS device
assignment parameter setting
existence (XA) turns ON.
7384
H
(29572)
MODBUS device
specification error
The range of the MODBUS device
specified in the received request
message exceeds the valid range of
the MODBUS device assignment
parameter.
Set an adequate MODBUS device
assignment parameter so that it will
satisfy the MODBUS device range
specified in the received request
message.
7385
H
(29573)
The range of the MODBUS device
specified in the received request
message exceeds the maximum value
*
for the MODBUS device.
* The maximum value for the extension
file register is "10000", and that for any
other MODBUS device is "65536".
Check the specification of the
MODBUS device on the master side
from which the request message was
sent.
7386
H
(29574)
The number of access points for the
MODBUS device specified in the
received request message exceeds the
maximum access points allowed for the
relevant function.
Check the specification of the
MODBUS device on the master side
from which the request message was
sent.
7388
H
(29576)
No setting for error
status read device No error status read device was set for
Read exception status (FC: 07).
Set an error status read device.
7390
H
(29584)
Byte count
specification error
The number of write points in the
received request message does not
match the specified number of bytes.
Review the number of write points and
the number of bytes on the master side
from which the request message was
sent.
7391
H
(29585)
Received data size
error
The write device data size in the
received request message is not
consistent with the specified number of
bytes. Review the specified contents of the
write device data size and number of
bytes on the master side that sent the
request message.
7392
H
(29586)
Reference type error
The reference number value specified
in the received request message (FC:
20, FC: 21) is incorrect.
Review the specification of the
reference number on the master side
from which the request message was
sent.
7393
H
(29587)
Data unit error
• The contents of the data unit in the
received request message are
incorrect.
• The size of the received request
message is smaller than the
minimum size or greater than the
maximum size required for the
relevant function code.
Review the contents of the request
message on the master side from
which the request message was sent.