Mitsubishi Electric MELSEC iQ-R Series User Manual page 476

Error code Error
(hexadecima
l)
*1
7140H Request data
error
7141H System error
*1
7142H Device name
error
*1
7143H Device No. error
*1
7144H Monitor
registration error
*1
7145H Monitor PC No.
error
*1
7146H Monitor CPU
model error
*1
7147H Number of
monitor
registration point
exceeded error
*1
7148H Extended R block
No. error
27 TROUBLESHOOTING
474
27.4 Error Code List
Description Signal
name
• The request exceeded the PRO
limit of processing points
that are predetermined for
each command and
allowed for one
transmission.
• A word device was
designated in a bit unit
command.
• The requested range
exceeded the end device
number.
(CPU module's last device
number  Start device
number + Number of device
points in message sent from
the target device)

• The operating system of
C24 detected some error.
• Device that cannot be PRO
specified by the
corresponding command
was designated.
• The start device number PRO
is out of range.
• Monitoring was requested PRO
before the monitor
registration has been
performed.
• The registered PC No. C/N
and PC No. in the monitor
request are different.
• The registered CPU C/N
model name and the CPU
monitor name in the
monitor request are
different.
• The number of monitor PRO
registration points
exceeded the range.
• A nonexistent extension PRO
file register block No. was
designated.
• A block No. being used as
an extension comment
area, sampling trace area,
or status latch area was
designated.
Corrective action
• Check and correct the
transmission message from
the target device and restart
data communications.
• If no error is found in the
device range, clear the
programmable controller CPU
information and retry.
Page 490 Corrective actions
for system error
• Check and correct the
transmission message from
the target device and restart
data communications.
• If no error is found in the
device name, clear the
programmable controller CPU
information and retry.
• Check and correct the
transmission message from
the target device and restart
data communications.
• Register the device to be
monitored before issuing a
monitor request.
• Check and correct the
transmission message from
the target device and restart
data communications.
• Perform the monitor
registration again.
• Check and correct the
transmission message from
the target device and restart
data communications.
• Perform the monitor
registration again.
• Check and correct the
transmission message from
the target device and restart
data communications.
• Check and correct the
designated block No. and
restart data communications.
Protocol
MC Nonpr Bidire Prede
ocedu ctiona fined
ral l







