Mitsubishi Electric Q172DSCPU, Programming Manual

Page: 142 / 312

7 - 3
7 SYNCHRONOUS CONTROL
(1) [Pr.400] Main input axis No. (150n), [Pr.401] Sub input
axis No. (150n)
Set the main input axis No. and the sub input axis No. for the main shaft.
• 0
: Invalid................................... The input value is always 0.
• 1 to 32 : Servo input axis ................... Set the servo input axis (axis 1 to 32).
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 major error
(error code: 1700, 1701) occurs and
synchronous control cannot be started.
(Note): The range from 1 to 16 is valid
in the Q172DSCPU.
• 201 to 232 : Command generation axis .. Set the command generation axis (axis
1 to 32). When the command
generation axis is invalid in the
command generation axis parameter
setting, the input value is always 0.
As the command generation axis is
used only for command generation, it
is possible to set the same number as
the output axis.
(Note): The range from 201 to 216 is
valid in the Q172DSCPU.
• 801 to 812 : Synchronous encoder axis.. Set the synchronous encoder axis
(axis 1 to 12). When synchronous
encoder axis is invalid, the input value
is always 0.
(2) [Pr.402] Composite main shaft gear (150n)
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 0.
• 1: Input+ ........ The input value from the input axis is calculated as it is.
• 2: Input- ......... The input value from the input axis is calculated with its opposite
sign.
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.