Mitsubishi Electric MELSEC-Q Series User Manual page 98

3 SPECIFICATIONS
Yn9
Xn9
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(d) Turning off this command (Yn4, Yn5) during auto tuning execution stops
auto tuning.
When auto tuning is stopped, the PID constants in buffer memory do not
change.
POINT
To execute auto tuning in a row, wait for more than 1 second after the first auto
tuning is completed (this command turns off), and then turn on this command for the
second auto tuning.
(4) FeRAM backup start command (Yn8)
(a) This signal writes data in the buffer memory to FeRAM.
(b) To write data in the buffer memory to FeRAM, turn on this signal.
1) FeRAM write completion flag (Xn8) turns on when the write processing is
completed successfully.
2) FeRAM write failure flag (XnA) turns on when the write processing is not
completed successfully. When XnA turns on, turn on this signal (Yn8)
again to write data to FeRAM.
ON
Yn8
OFF
Xn8 OFF
XnA OFF
During write
to FeRAM
(5) Default setting registration start command (Yn9)
(a) This signal returns data in the buffer memory to default values.
When this signal is turned on, the default values of the Q62HLC are written
to the buffer memory. When the processing completes successfully, Default
value write completion flag (Xn9) turns on.
(b) Set default values in the setting mode (Xn1: OFF).
Default values cannot be set in the operation mode (Yn1: ON).
If the data setting is changed while default values are written, a write error
occurs.
ON
OFF
OFF
During write to buffer memory
ON
ON
Error of write to FeRAM detected
ON
Completion of write to default value
MELSEC-Q
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