Mitsubishi Electric MELSEC-Q Series User Manual page 250

8 TROUBLESHOOTING
Error code
(hexadecimal) Error type
*1
3
H
4
H
Write data
error
5
H
8
6
H
8 - 2
(2) Error code list
Error cause
• Write to the area write-enabled
in the setting mode only was
performed in the operation
mode.
• Any of the following error codes
occurred during setting mode;
however, the mode is changed
to operation mode without
resetting the error.
• The write data error to input
range (error code: 0204 ,
H
0404 )
H
• The write error to alert mode
setting (error code: 0C04 ,
H
0C14 , 0C24 , 0C34 ,
H H H
0D04 , 0D14 , 0D24 ,
H H H
0D34 )
H
• Data outside the setting range
was written.
• The setting of the upper/lower
output limiter or upper/lower
setting limiter is illegal.
• The set value was changed
during default setting
registration.
*1: The address of the buffer memory where a write data error has occurred is
displayed at in hexadecimal.
Example) 0234 expresses that data out of the range are written to Proportional
H
band (P) setting (buffer memory address: 35 (23
Error-time operation
• The written data is held as • Reset an error in the following
is. procedure:
• If data are written to 1) Choose the setting mode.
multiple write areas, the 2) Set a correct value.
smallest buffer memory 3) Reset an error.
address among the ones • When changing from the operation
where data were mode to the setting mode, make sure
mistakenly written is stored
that PID continuation flag (buffer
by priority. memory address: 169) is 0 (STOP), and
turn off Setting/operation mode
command (Yn1).
• The written data is held as • Set data within the range.
is.
• When write area setting is
over the upper and lower
limit values, the upper and
lower limit values are used
to exercise the control.
• If multiple data outside the
setting range were written,
the smallest buffer memory
address among the ones
where data were
mistakenly written is stored
by priority.
• The written data is held as • Configure the setting so that the upper
is. limit value is greater than the lower limit
• The upper and lower limit value.
values that may be set are
used to exercise control.
• If data are written to
multiple limiter setting area,
the smallest buffer memory
address among the ones
where data were
mistakenly written is stored
by priority.
• The written data is ignored. • After making Error reset command (Yn2:
• Any set value cannot be ON), change the set value.
changed until error reset is
made.
• If another write error
occurs, Error code (buffer
memory address: 0) data
does not change.
MELSEC-Q
Action
)).
H
8 - 2