180
Gemini GV6K/GT6K Command Reference
JOYAD
Joystick Deceleration
Type
Joystick
Syntax
<a_><!>JOYAD<r>
Units
r = units/sec/sec
Range
0, or 0.3 – 9999.9999
Default
10.0000 (by default, JOYAD
tracks JOYA until JOYAD is changed
independent of JOYA; to restore tracking, set JOYAD = 0)
Response
JOYAD: *JOYAD10.0000
See Also
JOY, JOYA, JOYAA, JOYADA, JOYAXH, JOYCDB, JOYCTR, JOYEDB,
JOYVH, JOYVL, JOYZ, SCALE, SCLA
Product Rev
GT6K 6.0
GV6K 6.0
The
JOYAD
command specifies the deceleration to be used during the joystick mode.
UNITS OF MEASURE
and
SCALING
: refer to page
16
.
The joystick deceleration remains set until you change it with a subsequent joystick deceleration command.
Decelerations outside the valid range are flagged as an error, with a message
*INVALID
DATA-FIELD
x
,
where x is the field number. When an invalid deceleration is entered the previous deceleration value is
retained.
If the joystick deceleration (
JOYAD
) command has not been entered, the joystick acceleration (
JOYA
)
command will also set the joystick deceleration rate. Once the joystick deceleration (
JOYAD
) command has
been entered, the joystick acceleration (
JOYA
) command no longer affects joystick deceleration. If
JOYAD
is
set to zero (
JOYADØ
), then the joystick deceleration will once again track whatever the
JOYA
command is
set to.
Example:
Refer to the joystick mode enable (
JOY
) command example.
JOYADA
Joystick Average Deceleration
Type
Motion (S-Curve)
Syntax
<a_><!>JOYADA<r>
Units
r = units/sec/sec
Range
0.3 – 9999.9999
Default
10.00 (By default, JOYADA tracks JOYAA until JOYADA is changed
independent of JOYAA. To restore tracking, set JOYAD = 0.)
Response
JOYADA: *JOYADA10.0000
See Also
A, AD, JOY, JOYA, JOYAA, JOYAD, SCALE, SCLA
Product Rev
GT6K 6.0
GV6K 6.0
The
JOYADA
command allows you to specify the average deceleration for an S-curve joystick profile. S-
curve profiling provides smoother motion control by reducing the rate of change in acceleration and
deceleration; this accel/decel rate of change is known as
jerk
. Refer to page
15
for details on S-curve
profiling.
Acceleration Scaling (
SCLA
) affects
JOYADA
the same as it does for
JOYAD
. Refer to page
16
for details on
scaling.
Example:
JOYAD10
; Sets the maximum joystick deceleration
JOYADA5
; Sets the average joystick deceleration
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