Mitsubishi QJ71MT91 User Manual

11 - 23 11 - 23
MELSEC-Q
11 TROUBLESHOOTING
Occurrence Error
Code
Error Name Description Lit LED Corrective Action
1) 2) 3) 4) 5)
731AH
Number of TCP
connections setting
error
The number of TCP
connections for GX
Developer connection or the
total number of TCP
connections set in the
preferred node specification
in the basic parameter is
greater than 64.
COM.ERR.
Review the setting of the
number of TCP connections for
GX Developer connection and
preferred node specification.
731BH
Timer setting
magnitude
relationship error
The magnitude relationships
between various monitoring
timer values and CPU
response monitoring timer
value set in the basic
parameters (Refer to Section
7.2.2 (1)) are incorrect.
COM.ERR.
Review the settings of various
monitoring timer values and
CPU response monitoring timer
value.
7320H
Port No. setting
error for automatic
communication
function
The setting of the port No. for
automatic communication
function in the basic
parameter is incorrect.
COM.ERR.
Review the setting of the port
No. for automatic
communication function.
7321H
Target slave port
No. setting error for
automatic
communication
function
The setting of the target slave
port No. for automatic
communication function in the
basic parameter is incorrect.
COM.ERR.
Review the setting of the target
slave port No. for automatic
communication function.
7324H
System area
setting error
Erroneous data have been
written to the system area
(0031
H to 00F1H) of the buffer
memory.
COM.ERR.
Do not write data to the system
area (0031
H to 00F1H) of the
buffer memory.
7327H
CPU response
monitoring timer
setting error
The setting of the CPU
response monitoring timer in
the basic parameter is
incorrect.
COM.ERR.
Review the setting of the CPU
response monitoring timer.
732AH
Basic parameter
setting failure
Failed in basic parameter
setting because the GX
Configurator-MB parameters
were being set at power-on.
COM.ERR.
When using GX Configurator-
MB, switch the power on and
then turn on Basic parameter
setting request (Y1) after Basic
parameter setting existence (X3)
has turned on.
732EH
Port No. setting
error for dedicated
instruction
The setting of the port No. for
dedicated instruction in the
basic parameter is incorrect.
COM.ERR.
Review the setting of the port
No. for dedicated instruction.
732FH
Dedicated
instruction
interruption
The dedicated instruction
being executed was
interrupted by the basic
parameter setting.
COM.ERR.
Perform the basic parameter
setting after completion of the
dedicated instruction.
7330H Device code error
The device code value
specified in
MODBUS
R
device
assignment parameter is
incorrect.
COM.ERR.
Review the setting of the device
code.
(Continued on next page)

Mitsubishi QJ71MT91 Specifications

General

Brand	Mitsubishi
Model	QJ71MT91
Category	Controller
Language	English