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Mitsubishi Electric RD77MS2 User Manual Page 72

Melsec iq-r simple motion module.
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[Pr.418] Auxiliary shaft axis No.
Set the input axis No. for the auxiliary shaft.
Setting value
0: Invalid
1 to 16: Servo input axis
801 to 804: Synchronous encoder
[Pr.419] Composite auxiliary shaft gear
Set the composite method for input values from the main and auxiliary shafts. The setting values for each axis are shown as
Setting value
0: No input
1: Input+
2: Input-
Operation assumes "0: No input" if the value is set out of the range from 0 to 2.
The composite method for the composite auxiliary shaft gear can be changed during synchronous control. It is
used as a clutch to switch input values between the main and the auxiliary shafts.
[Pr.420] Auxiliary shaft gear: Numerator, [Pr.421] Auxiliary shaft gear: Denominator
Set the numerator and the denominator for auxiliary shaft gear to convert the input value. The input value is converted as
Input value after conversion
The input value direction can be reversed by setting a negative value in the numerator of the auxiliary shaft gear.
Set the denominator of the auxiliary shaft gear to a value within the range from 1 to 2147483647.
4.2 Auxiliary Shaft Module
The input value is always 0.
Set the servo input axis (axis 1 to axis 16). When the servo input axis is not set in the system setting, the input value is
always 0.
If the number is set to the same value as the output axis, the error "Outside auxiliary shaft axis No. range" (error code:
1BF0H) occurs and synchronous control cannot be started.
Set the synchronous encoder axis (axis 1 to axis 4). When synchronous encoder axis is invalid, the input value is always
The input value from the input axis is calculated as 0.
The input value from the input axis is calculated as it is.
The input value from the input axis is calculated with its opposite sign.
Input value before conversion
[Pr.420] Auxiliary shaft gear: Numerator
[Pr.421] Auxiliary shaft gear: Denominator


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