Speed Change Gear; Output Axes - Mitsubishi Electric FATEC MELSEC iQ-R Training Manual

7.1.14 Speed change gear

The speed change gear is used for changing the input speed from the main shaft, auxiliary
shaft, or composite auxiliary shaft gear during operation. If not used, set "0: No speed
change gear" for [Pr.434] speed change gear allocation.
Setting
Symbol
Speed
Pr.434 change gear
allocation
Speed
change gear
Pr.435 smoothing
time
constant
Speed
change
Pr.436
ratio
numerator
Speed
change
Pr.437
ration
denominator

7.1.15 Output axes

Output axes perform cam conversion processing based on the input travel value and set
cam data, and outputs the feed current values that serve as commands to the servo
amplifier.
Setting
Symbol
Cam
axis
Pr.438 cycle
unit
setting
Setting details
item
Sets the speed
change gear
allocation.
Sets the speed
change gear
smoothing time
constant.
Sets the speed
change ratio
numerator.
Sets the speed
change ratio
denominator.
Setting details
item
• Sets the cam
axis length per
cycle unit.
• This is a
parameter for
monitor
display, and
does not affect
control.
Setting value
• Set in decimal.
0: No speed change
gear
1: Main shaft side
2: Auxiliary shaft side
3: After composite
auxiliary shaft gear
• Set in decimal.
0 to 5000 [ms]
• Set in decimal.
-2147483648 to
2147483647
• Set in decimal.
1 to 2147483647
Setting value
• Set in hexadecimal
notation.
H□□□ □
Control unit
0: mm
1: inch
2: degree
3: pulse
No. of decimal
point digits
0 to 9
Unit setting
selection
0: Use main
shaft main
input axis
unit.
1: Use this
setting unit.
7-14
Load Buffer memory
Default
cycle address
0 36460+200n
When
starting
synchronous
control
0 36461+200n
36462+200n
1
36463+200n
Operation
cycle
36464+200n
1
36465+200n
n: Axis No. - 1
Load Buffer memory
Default
cycle address
When
starting
0000H 36470+200n
synchronous
control