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Mitsubishi Electric QD77MS User Manual Page 108

Simple motion module.
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[Pr.402] Composite main shaft gear
Set the composite method for input values from the main and sub input axes. The setting
values for each axis are shown as follows.
0: No input .......................................... The input value from the input axis is calculated as
1: Input+ ............................................ The input value from the input axis is calculated as it
2: Input- .............................................. The input value from the input axis is calculated with
Operation assumes "0: No input" if the value is set out of the range from 0 to 2.
POINT
The composite method for the composite main shaft gear can be changed during
synchronous control. It is used as a clutch to switch input values between the main
and the sub input axes.
[Pr.403] Main shaft gear: Numerator, [Pr.404] Main shaft gear: Denominator
Set the numerator and the denominator for the main shaft gear to convert the input value.
The input value is converted as follows.
Input value after conversion = Input value before conversion
The input value direction can be reversed by setting a negative value in the numerator of
the main shaft gear.
Set the denominator of the main shaft gear to a value within the range from 1 to
2147483647.
Example) Convert the cam axis per cycle to be controlled in intervals of 0.1mm
(0.00394inch).
The cam axis synchronizes with a conveyer that moves 100mm (3.937inch) for
every (360.00000degree) of the main shaft.
"[Pr.403] Main shaft gear: Numerator"
"[Pr.404] Main shaft gear: Denominator": 36000000[ 10
0.
is.
its opposite sign.
: 1000[ 0.1mm]
4 - 4
Chapter 4 Synchronous Control
Main shaft gear: Numerator
Pr.403
Main shaft gear: Denominator
Pr.404
-5
degree ]

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