YASKAWA YRC1000, Instructions Manual

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System Setup
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4. Select {=TORQUE MONITOR}.
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The torque monitor window appears.
5. Press [PAGE] key.
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Able to refer the data of a date corresponding to the number of pressing the [PAGE] key.
Modify the number as necessary.
= NG COUNT (IN A ROW)
Shows the number of the variation days, which is higher than the value of the torque
variation “HIGH”. The warning output signal, which is set by ”=ACCEPT RATE HIGH”,
is turned ON when the number of the day above is more than the number of the con-
secutive accept NG days.
= NG COUNT (ACCUM.)
It shows the total number of the variation days, which is higher than the value of the
torque variation “HIGH”. The number of “=NG COUNT (IN A ROW)” is reset as “0”,
when a day does not exceed the torque variation. However, this “=NG COUNT (AC-
CM.)” will not be reset.
= MEASURED DATE
Shows the date of the measurement or the updated speed reducer diagnosis data-
base.
= MEAS.
Shows the measured torque average.
= AVE.
Set the period to calculate the average value from the day to diagnose. The initial val-
ue of this item is “60” (days).
= LATEST MEASURED DAYS
Shows the arithmetic mean of the average period (certain number of the days, which
is calculated in the past, based on the MEASURED DATE). However, the measured
values excepted in the =ERROR DELETE FILTER are not included.
= LATEST
Shows the arithmetic mean of the latest period (certain number of the days included
the measured day).
= WARNING
Select this item to invalidate the warning output signal. [Invalid] and [Valid] will alter-
nate each time when press the [Select].
= RESET
Select this item after replacement of the speed reducer. The warning output signal will
be turned OFF, and the old data will not be used for the lifetime diagnosis.
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