Mitsubishi Electric FX5 User Manual page 415
Melsec iq-f series
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Also See for FX5:
- Programming manual (1112 pages) ,
- User manual (958 pages) ,
- Reference manual (44 pages)
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Error
Error name
Error details and cause
code
350CH
Operation error
• The variation of measured value is
greater than the maximum value or lower
than the minimum value.
350DH
Operation error
• The deviation is greater than the
maximum value or lower than the
minimum value.
350EH
Operation error
• The integral result is greater than the
maximum value or lower than the
minimum value.
350FH
Operation error
• The derivative value is greater than the
maximum value or lower than the
minimum value due to the derivative gain
(KP).
3510H
Operation error
• The derivative result is greater than the
maximum value or lower than the
minimum value.
3511H
Operation error
• The PID operation result is greater than
the maximum value or lower than the
minimum value.
3512H
Operation error
• The output upper limit value is lower than
the output lower limit value.
3513H
Operation error
• The input variation alarm set value or
output variation alarm set value is
outside the allowable range.
3514H
Operation error
• The auto tuning result in the step
response method is abnormal.
• The deviation at start of auto tuning is 75
or less.
• The deviation at end of auto tuning is 1/3
or less of the deviation at start of auto
tuning.
3515H
Operation error
• The operation direction estimated from
the measured value at the start of auto
tuning in the step response method was
different from the actual operation
direction of the output during auto tuning.
3516H
Operation error
• Because the set value fluctuated during
auto tuning in the step response method,
auto tuning was not executed correctly.
3517H
Operation error
• The output set value upper limit for auto
tuning is lower than the lower limit.
3518H
Operation error
• A value outside the allowable range was
set to the PV threshold for auto tuning.
3519H
Operation error
• Operation is not performed normally
because devices occupied by the PID
instruction were overwritten.
351AH
Operation error
• The auto tuning time is longer than
necessary.
351BH
Operation error
• The variation of the measured value is
too small compared with the output
value.
Action
• The operation is continued with the
maximum or minimum value.
• The operation is continued with the
maximum or minimum value.
• The operation is continued with the
maximum or minimum value.
• The operation is continued with the
maximum or minimum value.
• The operation is continued with the
maximum or minimum value.
• The operation is continued with the
maximum or minimum value.
• Calculation is continued with the output
upper limit value and output lower limit value
transposed.
• The operation is continued without alarm
output.
• Check the measured value and target value,
and then execute auto tuning again.
• Correct the relationship among the target
value, output value for auto tuning, and the
measured value, and then execute auto
tuning again.
• Set the sampling time to a value larger than
the output change cycle, or set a larger value
for the input filter constant. After changing
the setting, execute auto tuning again.
• Verify that the target setting contents are
correct.
• Verify that the target setting contents are
correct.
• Ensure that devices occupied by PID
instruction are not overwritten in the
program.
• Increase the difference (ULV - LLV) between
the upper limit and lower limit of the output
value for auto tuning, set a smaller value to
the input filter constant (α), or set a smaller
value to the PV threshold (SHPV) for auto
tuning, and then check the result for
improvement.
• Multiply the measured value (PV) by "10" so
that the variation of the measured value will
increase during auto tuning. The operation is
continued with KP = 32767.
Detailed
Diagnostic
information
timing
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
Error location
At instruction
information
execution
APPX
413
Appendix 3 Error Code
A
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