Mitsubishi QJ71MT91 User Manual

11 - 25 11 - 25
MELSEC-Q
11 TROUBLESHOOTING
Occurrence Error
Code
Error Name Description Lit LED Corrective Action
1) 2) 3) 4) 5)
7346H
Buffer memory
address range
error
The setting range of the
buffer memory in the
automatic communication
parameter is outside the
range of the automatic
communication function
buffer input/output area.
COM.ERR.
Correct the buffer memory
setting outside the range.
7347H
IP address setting
error
The setting of the target IP
address set in the automatic
communication parameter or
dedicated instruction's control
data is incorrect.
COM.ERR.
Review the setting of the IP
address.
7348H
MODBUS
R
device
number setting
range error
The MODBUS
R
device range
of the read/write target set in
the automatic communication
parameter or dedicated
instruction's control data is
greater than the maximum
value (65536).
COM.ERR.
Review the setting range of the
MODBUS
R
device.
7349H
MODBUS
R
device
points setting error
The MODBUS
R
device range
of the read/write target set in
the automatic communication
parameter or dedicated
instruction's control data is
outside the setting range.
COM.ERR.
Review the setting range of the
MODBUS
R
device.
734AH
Module ID setting
error
The setting of the module ID
set in the automatic
communication parameter or
dedicated instruction's control
data is incorrect.
COM.ERR.
Review the setting of the
module ID.
734BH
Execution type
setting error
The setting of the execution
type set in the dedicated
instruction's control data is
incorrect.
COM.ERR.
Review the setting of the
execution type.
734CH
The setting of the response
monitoring timer in the
dedicated instruction's control
data is outside the setting
range.
COM.ERR.
Review the setting of the
response monitoring timer so
that it falls within the setting
range.
734DH
Response
monitoring timer
setting error
The setting of the response
monitoring timer in the
dedicated instruction's control
data is less than the setting of
the split reception monitoring
timer value.
COM.ERR.
Make the response monitoring
timer greater than the split
reception monitoring timer
value.
734EH
Write data storage
size setting error
The setting of the write data
storage size in the dedicated
instruction's control data is
incorrect.
COM.ERR.
Review the setting of the write
data storage size.
(Continued on next page)

Mitsubishi QJ71MT91 Specifications

General

Brand	Mitsubishi
Model	QJ71MT91
Category	Controller
Language	English