Mitsubishi Electric MELSEC Q Series User Manual page 65

3 SPECIFICATIONS
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(5) Auto tuning status (Xn4 to Xn7)
(a) This signal turns on when auto tuning of the corresponding channel is
executed.
Channel
1
2
3
4
(b) Auto tuning is executed using Auto tuning command (Yn4 to Yn7).
(c) This signal turns "on" while auto tuning is being executed and turns "off"
automatically on completion of auto tuning.
2
(6) E PROM write completion flag (Xn8)
(a) This signal turns on after completion of write of buffer memory contents to
2
E PROM which starts when E
(b) When the E
completion flag also turns off.
ON
2
E PROM backup
OFF
start command (Yn8)
2
E PROM write
OFF
completion flag (Xn8)
2
E PROM write
OFF
failure flag (XnA)
(7) Default value write completion flag (Xn9)
(a) Turns on after completion of write of the Q64TC default values to buffer
memory which starts when Default setting registration start command (Yn9)
turns on.
(b) When Default setting registration start command (Yn9) turns off, Default value
write completion flag (Xn9) also turns off.
(c) Perform unused channel setting to unused channels after completion of
default value write.
If unused channel setting is not made to unused channels, the "ALM" LED of
the Q64TC is lit.
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Auto tuning status
Xn4
Xn5
Xn6
Xn7
2
PROM backup start command (Yn8) turns on.
2
PROM backup start command turns off, the E
2
During write to E PROM
MELSEC-Q
ON/OFF status
ON : Auto tuning in execution
OFF: Auto tuning not in execution or
completed
2
PROM write
ON
2
Completion of write to E PROM
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