Mitsubishi Electric LD77MH, User Manual

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4 - 15
Chapter 4 Synchronous Control
4.2.2 Auxiliary shaft parameters
Setting item Setting details Setting value
Default
value
Buffer memory
address
[Pr.418]
Auxiliary shaft axis No.
• Set the input axis No. for the auxiliary
shaft.
Fetch cycle: At start of synchronous
control
Set in decimal.
0 : Invalid
1 to 16 : Servo input axis
(Note-1)
801 to 804 : Synchronous encoder axis
0 36430+200n
[Pr.419]
Composite auxiliary
shaft gear
• Select the composite method for input
values from the main shaft and the
auxiliary shaft.
Fetch cycle: Operation cycle
Set in hexadecimal.
H
Main shaft input method
0: No input
1: Input +
2: Input -
Auxiliary shaft input method
0: No input
1: Input +
2: Input -
0001h 36431+200n
[Pr.420]
Auxiliary shaft gear:
Numerator
• Set the numerator for the auxiliary shaft
gear.
Fetch cycle: At start of synchronous
control
Set in decimal.
-2147483648 to 2147483647
1
36432+200n
36433+200n
[Pr.421]
Auxiliary shaft gear:
Denominator
• Set the denominator for the auxiliary
shaft gear.
Fetch cycle: At start of synchronous
control
Set in decimal.
1 to 2147483647
1
36434+200n
36435+200n
n: Axis No.-1
(Note-1): The range from axis 1 to 2 is valid in the 2-axis module, from axis 1 to 4 is valid in the 4-axis module, from axis 1 to 8 is valid in the
8-axis module, and from axis 1 to 16 is valid in the 16-axis module.
[Pr.418] Auxiliary shaft axis No.
Set the input axis No. for the auxiliary shaft.
0: Invalid ....................................... The input value is always 0.
1 to 16: Servo input axis
(Note-1)
.. 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: 720) occurs and synchronous control cannot be
started.
801 to 804: Synchronous encoder axis
.............. Set the synchronous encoder axis (axis 1 to axis 4).
When synchronous encoder axis is invalid, the input
value is always 0.
(Note-1): The range from axis 1 to 2 is valid in the 2-axis module, from axis 1 to 4 is valid in the 4-axis module,
from axis 1 to 8 is valid in the 8-axis module, and from axis 1 to 16 is valid in the 16-axis module.