7 - 20
7 MOTION CONTROL PROGRAMS
7.4 Cam Shaft Within-One-Revolution Current Value Change Control (SV22 virtual mode
only)
The current value of the specified cam shaft within-one-revolution is changed.
Servo
instruction
Positioning
method
Number of
Control axes
Items set using MT Developer2
Speed
change
Common Arc Parameter block Others
Parameter block No.
Axis
Address/travel
Command speed
Dwell time
M-code
Torque limit value
Auxiliary point
Radius
Central point
Interpolation control unit
Speed limit value
Acceleration time
Deceleration time
Rapid stop deceleration time
Torque limit value
Deceleration processing
at sto
in
u
Allowable error range for circula
inter
olation
S-curve ratio
Advanced S-curve
acceleration/deceleration
Cancel
FIN acceleration/deceleration
CHGA-C
Absolute
1
Disable
: Item which must be set
: Item which is set when required
[Controls]
Control using CHGA-C instruction
(1) Executing the CHGA-C instruction changes the within-one-revolution current
value of the specified cam shaft to the address.
(2) The cam shaft may be starting.
(3) The used axis No. can be set within the following range.
Q173DSCPU Q173DCPU(-S1) Q172DSCPU Q172DCPU(-S1)
Axis 1 to 32 Axis 1 to 16 Axis 1 to 8
(4) The address which made the current value change by the CHGA-C instruction is
valid after also the power supply turned off.