Newport New Focus Picomotor 8742 - Page 88

88 Remote Command Set
VA
Description Velocity set
Syntax xxVAnn
Remarks This command is used to set the velocity value for an axis. The velocity setting specified
will not have any effect on a move that is already in progress. If this command is issued
when an axis’ motion is in progress, the controller will accept the new value but it will
use it for subsequent moves only. The maximum velocity for a ‘Standard’ Picomotor is
2000 steps/sec, while the same for a ‘Tiny’ Picomotor is 1750 steps/sec.
Argument Value Description
xx 1 to 4 Axis number
nn 1 to 2000 Velocity (steps/sec). Default = 2000 steps/sec
Example
1VA1750 (Set motor 1 velocity to 1750 steps/sec)
See Also
VA?, AC, AC?
VA?
Description Velocity query.
Syntax xxVA?
Remarks This command is used to query the velocity value for an axis.
Argument Value Description
xx 1 to 4 Axis number
Response Value Description
Value Integer Velocity setting (steps/sec)
Example 1VA? (Get motor 1 velocity)
1750 (Returns 1750; motor 1 velocity)
See Also VA, AC, AC?