8 TROUBLESHOOTING
MELSEC-Q
8 - 64 8 - 64
*1
: Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
*12
: This applies to the CPU module of function version B or later.
Error
Code
(SD0)
*1
Error Contents and Cause Corrective Action
Corresponding
CPU
2100
The slot to which the QI60 is mounted
is set to other than Inteli (intelligent
function module) or Interrupt (interrupt
module) in the I/O assignment of PLC
parameter.
Make setting again to match the PLC
parameter I/O assignment with the
actual loading status.
Qn(H)
*12
QnPH
QnPRH
• In the I/O assignment setting of PLC
parameter, Inteli (intelligent function
module) was allocated to an I/O
module or vice versa.
• In the I/O assignment setting of PLC
parameter, a module other than
CPU (or nothing) was allocated to
the location of a CPU module or vice
versa.
• In the I/O assignment setting of the
PLC parameter, switch setting was
made to the module that has no
switch setting.
• Make the PLC parameter’s I/O
assignment setting again so it is
consistent with the actual status of
the intelligent function module and
the CPU module.
• Delete the switch setting in the I/O
assignment setting of the PLC
parameter.
Qn(H)
QnPH
QnPRH
Rem
• In the parameter I/O allocation
settings, an Inteli (intelligent function
module) was allocated to a location
reserved for an I/O module or vice
versa.
• In the parameter I/O allocation
settings, a module other than CPU
(or nothing) was allocated to a
location reserved for a CPU module
or vice versa.
• In the I/O assignment setting of the
PLC parameter dialog box, the
number of points assigned to the
intelligent function module is less
than the number of points of the
mounted module.
Reset the parameter I/O allocation
setting to conform to the actual status
of the intelligent function module and
the CPU module.
Q00J/Q00/Q01
In PLC parameter I/O allocation
settings, a special function module
was allocated to a location reserved
for an I/O module. Or, the opposite has
happened.
Reset the PLC parameter I/O
allocation setting to conform with the
actual status of the special function
modules.
QnA
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