Auxiliary Shaft Module; Overview Of Auxiliary Shaft Module; Auxiliary Shaft Parameters - Mitsubishi Electric MELSEC iQ-R RD78G4 User Manual

4.2

Auxiliary Shaft Module

Overview of auxiliary shaft module

For the auxiliary shaft module, the input value is generated from the auxiliary shaft. The input value can be converted by the
auxiliary shaft gear that provides the deceleration ratio and the rotation direction for the machine system, etc.
Refer to the followings for details on setting for the auxiliary shaft module.
Page 100 Auxiliary shaft parameters, Page 102 Auxiliary shaft clutch parameters
[Pr.420] Auxiliary shaft
gear: Numerator
[Pr.421] Auxiliary shaft
gear: Denominator
[Pr.418] Auxiliary shaft
axis No.
*1 Page 108 Clutch

Auxiliary shaft parameters

n: Axis No. - 1
Setting item Setting details
[Pr.418] • Set the input axis No. for the auxiliary
Auxiliary shaft shaft.
axis No. Fetch cycle: At operation start (Synchronous
control)
[Pr.419] • Select the composite method for input
Composite values from the main shaft and the
auxiliary shaft auxiliary shaft.
gear Fetch cycle: Operation cycle
[Pr.420] • Set the numerator for the auxiliary shaft
Auxiliary shaft gear.
gear: Numerator Fetch cycle: At operation start (Synchronous
control)
[Pr.421] • Set the denominator for the auxiliary shaft
Auxiliary shaft gear.
gear: Fetch cycle: At operation start (Synchronous
Denominator control)
*1 The range 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.
*2 The range from axis 1 to 4 is valid in the 4-axis module and from axis 1 to 8 is valid in the 8/16-axis module.
4 ADVANCED SYNCHRONOUS CONTROL
100
4.2 Auxiliary Shaft Module
Auxiliary Auxiliary
shaft gear shaft clutch
[Md.402] Position value per cycle
after auxiliary shaft gear
Auxiliary
shaft
Setting value
■Set in decimal.
0: Invalid
1 to 16: Servo input axis
201 to 208: Command generation axis
801 to 816: Synchronous encoder axis
■Set in hexadecimal.
H _ _ _ _
■Set in decimal.
-2147483648 to 2147483647
■Set in decimal.
1 to 2147483647
Main shaft input/Speed change gear
Composite
auxiliary
*1
shaft gear
Speed change gear/Output axis
Default
value
0
*1
*2
*1
0001H
Main shaft input
method
0: No input
1: Input +
2: Input -
Auxiliary shaft input
method
0: No input
1: Input +
2: Input -
1
1
[Pr.419] Composite
auxiliary shaft gear
Buffer memory address
Axis 1 to axis 16
36430+200n
36431+200n
36432+200n
36433+200n
36434+200n
36435+200n