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Teaching or Record and Play Back
Backlash Correction
Smooth motion while operating in independent axis
positioning
Independent Axis Positioning
In this mode, motion between the specified axes is independent, and each axis follows its own profile.
The user specifies the desired absolute position (PA) or relative position (PR), slew speed (SP),
acceleration ramp (AC), and deceleration ramp (DC), for each axis. On begin (BG), the CDS-3310
profiler generates the corresponding trapezoidal or triangular velocity profile and position trajectory.
The controller determines a new command position along the trajectory every second sample period
until the specified profile is complete. Motion is complete when the last position command is sent by
the CDS-3310 profiler.
NOTE: The actual motor motion may not be complete when the profile has been completed, however,
the next motion command may be specified.
The Begin (BG) command can be issued for all axes either simultaneously or independently. ABC or
D axis specifiers are required to select the axes for motion. When no axes are specified, this causes
motion to begin on all axes.
The speed (SP) and the acceleration (AC) can be changed at any time during motion, however, the
deceleration (DC) and position (PR or PA) cannot be changed until motion is complete. Remember,
motion is complete when the profiler is finished, not when the actual motor is in position. The Stop
command (ST) can be issued at any time to decelerate the motor to a stop before it reaches its final
position.
An incremental position movement (IP) may be specified during motion as long as the additional move
is in the same direction. Here, the user specifies the desired position increment, n. The new target is
equal to the old target plus the increment, n. Upon receiving the IP command, a revised profile will be
generated for motion towards the new end position. The IP command does not require a BG.
NOTE: If the motor is not moving, the IP command is equivalent to the PR and BG command
combination.
Command Summary - Independent Axis
COMMAND
PR A,B,C,D
PA A,B,C,D
SP A,B,C,D
AC A,B,C,D
DC A,B,C,D
BG ABCD
ST ABCD
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Chapter 6 Programming Motion
DESCRIPTION
Specifies relative distance
Specifies absolute position
Specifies slew speed
Specifies acceleration rate
Specifies deceleration rate
Starts motion
Stops motion before end of move
Contour Mode with Automatic
Array Capture
Dual Loop
Independent Motion Smoothing
CM
CD
DT
WC
RA
RD
RC
DV
IT
CDS-3310
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