140
•
TV
DMC-1000/1500 Command Reference
DMC-1000
DMC-1500
TV
FUNCTION:
Tell Velocity
DESCRIPTION:
The TV command returns the actual velocity of the axes in units of quadrature count/s. The
value returned includes the sign.
ARGUMENTS:
TV XYZW TV ABCDEFGH
where
No argument will provide the auxiliary encoder position for all axes.
USAGE: DEFAULTS:
While Moving
Yes
Default Value
-
In a Program
Yes
Default Format
7.0
Command Line
Yes
Can be Interrogated
No
Used as an Operand
Yes
OPERAND USAGE:
_TVx contains the value of the velocity for the specified axis.
EXAMPLES:
VELX=_TVX
Assigns value of X-axis velocity to the variable VELX
TVX
Returns the Y-axis velocity
0003420
Note: The TV command is computed using a special averaging filter (over approximately .25 sec).
Therefore, TV will return average velocity, not instaneous velocity.
