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5-19
MHT260a (Engl.)
The station number [D14] to [D0] may be changed when the indexing end [WPSET] signal has turned off.
The station number is settled at the ON edge of [START] signal.
The output form of [WPSET] signal is selected by basic para. 55.
(2) Number of division and speed reduction ratio
The amplifier does not have programming function.
The speed reduction ratio with which a rotating object rotates by one rotation, and the number of division per one rotation, are specified to the
parameters.
Basic parameter 91, 92
Para.
Name
Setting range
Initial value
Change
91
Speed reduction gear ratio A
1 to 9999 (in 1 step)
1
Power
92
Speed reduction gear ratio B
1 to 9999 (in 1 step)
1
Power
The inverse number of the motor rotational quantity per one rotation of mechanical equipment system (total of speed reduction ratio) can be
specified as follows:
This formula cannot be applied to mechanical equipment system that rotates by one rotation with less than one rotation of the motor output
shaft.
This formula cannot be applied to mechanical equipment system that only rotates by less than one rotation even when the motor output shaft
rotates more than 9999 rotations.
If the speed reduction ratio is aliquant, the error will not accumulate (example: 1/3).
If the speed reduction ratio is expressed by 4 digit numbers, the error will not accumulate. (example: 1777/3333).
Example 1. Rotating object
When the motor is connected to a speed reduction gear with 1/30 (speed reduction raito),
the motor rotates by 30 rotates per one rotation of mechanical equipment system.
Set the speed reduction gear ratio A to 1, the speed reduction gear ratio B to 30.
Example 2. Chain drive
Suppose that the drive sprocket rotates by 15 rotations per
one rotation of mechanical equipment system.
If the speed reduction gear ratio is 2/5, mechanical equipment system
rotates by one rotation when the motor shaft (2/5) rotates by 15 rotations.
Set the speed reduction gear ratio A to 2, the speed reduction gear ratio
B to 75.
≦
9999
1
1
1
Speed reduction gear ratio A
Speed reduction gear ratio B
≦
Speed reduction ratio 1/30
Motor
Motor
Speed reduction ratio 2/5
Содержание Faldic-a RYS-R Series
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